Occurrence Download

• Main Author: Occdownload Gbif.Org
• Format: Dataset
• Language: unknown
• Published: The Global Biodiversity Information Facility 2022
• Subjects: GBIF; biodiversity; species occurrences; Austin; Lamarck; Spence; Greene; Giganteus; Davidson; Baldwin; Rugosa; Nash; Elliott; Harper; Parry; Nivea; Sida; Morton; Nutt; Ribes; Steele; Melin; Howell; McIntosh; Buckley; Goodman; Wilbur; Georgi; Gand; Goldie; McNeill; Weller; Douglass; Maguire; Medley; Andrus; Krug; Abrams; Nagata; Steere; Wiegand; Garay; Heiser; Mogensen; Frisvoll; Rubus chamaemorus; Sagina caespitosa; Salix herbacea; Saxifraga aizoides; Saxifraga cernua; Saxifraga cespitosa; Saxifraga flagellaris; Saxifraga hirculus; Saxifraga hyperborea; Saxifraga oppositifolia; Saxifraga rivularis; Sibbaldia procumbens; Silene acaulis; Silene involucrata; Stellaria humifusa; Stellaria longipes
• Online Access: https://dx.doi.org/10.15468/dl.6wt3ak; https://www.gbif.org/occurrence/download/0168577-210914110416597

A dataset containing 911080 species occurrences available in GBIF matching the query: { "and" : [ "TaxonKey is one of (Rhynchospora indianolensis Small, Rhynchospora inexpansa (Michx.) Vahl, Rhynchospora inundata (Oakes) Fernald, Rhynchospora knieskernii J.Carey, Rhynchospora latifolia (Baldwin ex Elliott) W.W.Thomas, Rhynchospora macra (C.B.Clarke ex Britton) Small, Rhynchospora macrostachya Torr. ex A.Gray, Rhynchospora marliniana Naczi, W.M.Knapp & W.W.Thomas, Rhynchospora megalocarpa A.Gray, Rhynchospora microcarpa Baldwin ex A.Gray, Rhynchospora miliacea (Lam.) A.Gray, Rhynchospora mixta Britton, Rhynchospora nitens (Vahl) A.Gray, Rhynchospora odorata C.Wright ex Griseb., Rhynchospora oligantha A.Gray, Rhynchospora pallida M.A.Curtis, Rhynchospora perplexa Britton, Rhynchospora pineticola C.B.Clarke, Rhynchospora pleiantha (Kük.) Gale, Rhynchospora plumosa Elliott, Rhynchospora punctata Elliott, Rhynchospora pusilla Chapm. ex M.A.Curtis, Rhynchospora rariflora (Michx.) Elliott, Rhynchospora recognita (Gale) Kral, Rhynchospora saxicola Small, Rhynchospora scirpoides (Torr.) Griseb., Rhynchospora solitaria R.M.Harper, Rhynchospora stenophylla Chapm., Rhynchospora sulcata Gale, Rhynchospora thornei Kral, Rhynchospora torreyana A.Gray, Rhynchospora tracyi Britton, Rhynchospora wrightiana Boeckeler, Rhynchostegium aquaticum A.Jaeger, Rhynchostegium serrulatum (Hedw.) A.Jaeger, Rhytidiadelphus loreus Warnstorf, 1906, Rhytidiadelphus squarrosus Warnstorf, 1906, Rhytidiadelphus subpinnatus (Lindb.) T.J.Kop., Rhytidiadelphus triquetrus Warnstorf, 1906, Rhytidiopsis robusta Brotherus, 1908, Rhytidium rugosum Kindberg, 1883, Ribes acerifolium Howell, Ribes americanum Mill., Ribes aureum Pursh, Ribes binominatum A.Heller, Ribes californicum Hook. & Arn., Ribes canthariforme Wiggins, Ribes curvatum Small, Ribes cynosbati L., Ribes divaricatum Douglas, Ribes echinellum (Coville) Rehder, Ribes erythrocarpum Coville & Leiberg, Ribes glandulosum Grauer, Ribes hirtellum Michx., Ribes hudsonianum Richardson, Ribes inerme Rydb., Ribes lacustre (Pers.) Poir., Ribes lasianthum Greene, Ribes laxiflorum Pursh, Ribes malvaceum Sm., Ribes marshallii Greene, Ribes missouriense Nutt. ex Torr. & A.Gray, Ribes montigenum Mc Clatchie, Ribes niveum Lindl., Ribes oxyacanthoides L., Ribes pinetorum Greene, Ribes quercetorum Greene, Ribes roezlii Regel, Ribes rotundifolium Michx., Ribes sanguineum Pursh, Ribes speciosum Pursh, Ribes triste Pall., Ribes tularense (Coville) Standl., Ribes viburnifolium A.Gray, Ribes victoris Greene, Ribes viscosissimum Pursh, Ribes wolfii Rothr., Riccardia chamedryfolia (With.) Grolle, Riccardia jugata R.M.Schust., Riccardia latifrons (Lindb.) Lindb., Riccardia multifida (L.) Gray, Riccardia palmata (Hedw.) Carruth., Riccia albida Sull. ex Austin, Riccia beyrichiana Hampe, Riccia bifurca Hoffm., Riccia californica Austin, Riccia cavernosa Hoffm., Riccia crystallina L., Riccia dictyospora M.Howe, Riccia fluitans L., Riccia frostii Austin, Riccia gougetiana Durieu & Mont., Riccia hirta (Austin) Underw., Riccia huebeneriana Lindenb., Riccia lamellosa Raddi, Riccia macallisteri M.Howe, Riccia ozarkiana McGregor, Riccia rhenana Lorb. ex Müll.Frib., Riccia sorocarpa Bisch., Riccia tenella D.L.Jacobs, Riccia warnstorfii Limpr. ex Warnst., Ricciocarpos natans (L.) Corda, Richardia scabra L., Riella affinis M.Howe & Underw., Riella americana M.Howe & Underw., Rivina humilis L., Rivulariella gemmipara (A.Evans) D.H.Wagner, Robinia neomexicana A.Gray, Robinia viscosa Michx. ex Vent., Roellobryon roellii (Broth.) Ochyra, Roldana hartwegii (Benth.) H.Rob. & Brettell, Rollandia angustifolia (Hillebr.) Rock, Rollandia crispa Gaudich., Rollandia humboldtiana Gaudich., Rollandia longiflora Wawra, Rollandia Gaudich., Romanzoffia californica Greene, Romanzoffia sitchensis Bong., Romanzoffia thompsonii Marttala, Romanzoffia tracyi Jeps., Romanzoffia unalaschcensis Cham., Romneya trichocalyx Eastw., Rorippa alpina (S.Watson) Rydb., Rorippa barbareifolia (DC.) Kitag., Rorippa calycina (Engelm.) Rydb., Rorippa columbiae (Suksd. ex B.L.Rob.) Suksd. ex Howell, Rorippa curvipes Greene, Rorippa curvisiliqua (Hook.) Bessey ex Britton, Rorippa floridana Al-Shehbaz & Rollins, Rorippa gambellii (S.Watson) Rollins & Al-Shehbaz, Rorippa nasturtium-aquaticum (L.) Hayek, Rorippa palustris (L.) Besser, Rorippa ramosa Rollins, Rorippa sessiliflora (Nutt.) Hitchc., Rorippa sinuata (Nutt.) Hitchc., Rorippa sphaerocarpa (A.Gray) Britton, Rorippa subumbellata Rollins, Rorippa tenerrima Greene, Rorippa teres (Michx.) Stuckey, Rorippa truncata (Jeps.) Stuckey, Rosa acicularis Lindl., Rosa arkansana Port. & Coult., Rosa blanda Aiton, Rosa carolina L., Rosa foliolosa Nutt. ex Torr. & A.Gray, Rosa L., Rosa minutifolia Parry, Rosa myriadenia Greene, Rosa nitida Willd., Rosa nutkana C.Presl, Rosa pinetorum A.Heller, Rosa setigera Michx., Rosa stellata Wooton, Rosa virginiana Herrm., Rosa woodsii Lindl., Rosa ×dulcissima Lunell ex W.H.Lewis, Rosa yainacensis Greene, Rosulabryum canariense (Brid.) Ochyra, Rosulabryum capillare Spence, 1996, Rosulabryum elegans (Nees) Ochyra, Rosulabryum erythroloma (Kindb.) J.R.Spence, Rosulabryum flaccidum (Brid.) J.R.Spence, Rosulabryum gemmascens (Kindb.) J.R.Spence, Rosulabryum rubens (Mitt.) J.R.Spence, Rotala ramosior (L.) Koehne, Roystonea elata (W.Bartram) F.Harper, Rubus aboriginum Rydb., Rubus ×aculiferus Fernald, Rubus ×adenocaulis Fernald, Rubus ×alaskensis L.H.Bailey, Rubus allegheniensis Porter, Rubus alter L.H.Bailey, Rubus alumnus L.H.Bailey, Rubus andrewsianus Blanch., Rubus apogaeus L.H.Bailey, Rubus aptatus L.H.Bailey, Rubus arcticus L., Rubus arcticus subsp. acaulis (Michx.) Focke, Rubus argutus Link, Rubus bartonianus Peck, Rubus bellobatus L.H.Bailey, Rubus bicknellii L.H.Bailey, Rubus bigelovianus L.H.Bailey, Rubus ×boyntonii Ashe, Rubus burnhamii L.H.Bailey, Rubus canadensis L., Rubus centralis L.H.Bailey, Rubus chamaemorus L., Rubus clarus L.H.Bailey, Rubus cubitans Blanch., Rubus cuneifolius Pursh, Rubus curtipes L.H.Bailey, Rubus defectionis Fernald, Rubus deliciosus Torr., Rubus densissimus H.A. & T.Davis, Rubus depavitus L.H.Bailey, Rubus elegantulus Blanch., Rubus flagellaris Willd., Rubus ×flavinanus Blanch., Rubus ×fraternalis L.H.Bailey, Rubus frondosus Bigelow, Rubus furtivus L.H.Bailey, Rubus gnarus L.H.Bailey, Rubus grimesii L.H.Bailey, Rubus gulosus L.H.Bailey, Rubus hancinianus L.H.Bailey, Rubus hanesii L.H.Bailey, Rubus harmonicus L.H.Bailey, Rubus hawaiensis A.Gray, Rubus hispidoides L.H.Bailey, Rubus hispidus L., Rubus hypolasius Fernald, Rubus idaeus L., Rubus impar L.H.Bailey, Rubus inclinis L.H.Bailey, Rubus inferior L.H.Bailey, Rubus iniens L.H.Bailey, Rubus insulanus L.H.Bailey, Rubus kelloggii L.H.Bailey, Rubus largus L.H.Bailey, Rubus lasiococcus A.Gray, Rubus laudatus A.Berger, Rubus lawrencei L.H.Bailey, Rubus leucodermis Douglas ex Hook., Rubus longii Fernald, Rubus macraei A.Gray, Rubus macrophyllus Weihe & Nees, Rubus mananensis L.H.Bailey, Rubus meracus L.H.Bailey, Rubus michiganensis (Card) L.H.Bailey, Rubus mirus L.H.Bailey, Rubus missouricus L.H.Bailey, Rubus mollior L.H.Bailey, Rubus montensis L.H.Bailey, Rubus multifer L.H.Bailey, Rubus nefrens L.H.Bailey, Rubus neomexicanus A.Gray, Rubus nigerrimus (Greene) Rydb., Rubus nivalis Douglas ex Hook., Rubus novanglicus L.H.Bailey, Rubus noveboracus L.H.Bailey, Rubus novocaesarius L.H.Bailey, Rubus obsessus L.H.Bailey, Rubus occidentalis L., Rubus odoratus L., Rubus originalis L.H.Bailey, Rubus ortivus (L.H.Bailey) L.H.Bailey, Rubus ×ostryifolius Rydb., Rubus paludivagus Fernald, Rubus parlinii L.H.Bailey, Rubus particeps L.H.Bailey, Rubus parviflorus Figert ex Sprib., Rubus pascuus L.H.Bailey, Rubus pedatus Sm., Rubus permixtus Blanch., Rubus philadelphicus Blanch., Rubus plicatifolius Blanch., Rubus porteri L.H.Bailey, Rubus prestonensis H.A. & T.Davis, Rubus probativus L.H.Bailey, Rubus prosper L.H.Bailey, Rubus provincialis L.H.Bailey, Rubus pubescens Raf., Rubus quaesitus L.H.Bailey, Rubus racemiger L.H.Bailey, Rubus recurvans Blanch., Rubus recurvicaulis Blanch., Rubus repens Gueldenst., Rubus roribaccus (L.H.Bailey) Rydb., Rubus rosa L.H.Bailey, Rubus rosarius L.H.Bailey, Rubus rossbergianus Blanch., Rubus russeus L.H.Bailey, Rubus saltuensis L.H.Bailey, Rubus semisetosus Blanch., Rubus ×setosus Bigelow, Rubus severus Brainerd ex Fernald, Rubus sewardianus Fernald, Rubus signatus L.H.Bailey, Rubus spectabilis Pursh, Rubus steelei L.H.Bailey, Rubus stipulatus L.H.Bailey, Rubus suppar L.H.Bailey, Rubus tardatus Blanch., Rubus trifrons Blanch., Rubus trivialis Michx., Rubus trux Ashe, Rubus uniformis L.H.Bailey, Rubus ursinus Cham. & Schltdl., Rubus uvidus L.H.Bailey, Rubus vagus Focke, Rubus variispinus L.H.Bailey, Rubus velox L.H.Bailey, Rubus vermontanus Blanch., Rubus vigilis L.H.Bailey, Rubus weatherbyi L.H.Bailey, Rubus whartoniae L.H.Bailey, Rubus wheeleri (L.H.Bailey) L.H.Bailey, Rubus wisconsinensis L.H.Bailey, Rubus ×paracaulis L.H.Bailey, Rudbeckia auriculata (Perdue) Kral, Rudbeckia bicolor Nutt., Rudbeckia fulgida Aiton, Rudbeckia graminifolia (Torr. & A.Gray) C.L.Boynton & Beadle, Rudbeckia grandiflora (Sw.) J.F.Gmel. ex DC., Rudbeckia heliopsidis Torr. & A.Gray, Rudbeckia hirta L., Rudbeckia laciniata L., Rudbeckia maxima Nutt., Rudbeckia missouriensis Engelm. ex C.L.Boynton & Beadle, Rudbeckia mollis Elliott, Rudbeckia nitida Nutt., Rudbeckia occidentalis Nutt., Rudbeckia scabrifolia L.E.Br., Rudbeckia subtomentosa Pursh, Rudbeckia texana (Perdue) P.B.Cox & Urbatsch, Rudbeckia triloba L., Ruellia caroliniensis (J.F.Gmel.) Steud., Ruellia davisiorum Tharp & F.A.Barkley, Ruellia humilis Nutt., Ruellia noctiflora (Nees) Gray, Ruellia pedunculata Torr. ex A.Gray, Ruellia purshiana Fernald, Ruellia strepens L., Rugelia nudicaulis Shuttlew. ex Chapm., Rumex albescens Hillebr., Rumex altissimus Wood, Rumex arcticus Trautv., Rumex beringensis Jurtzev & Petrovsky, Rumex densiflorus Osterh., Rumex giganteus Aiton, Rumex graminifolius Georgi ex Lamb., Rumex hastatulus Baldwin, Rumex hymenosepalus Torr., Rumex krausei Jurtzev & Petrovsky, Rumex maritimus L., Rumex nematopodus Rech.fil., Rumex orbiculatus A.Gray, Rumex orthoneurus Rech.fil., Rumex pallidus Bigelow, Rumex paucifolius Nutt., Rumex skottsbergii O.Deg. & I.Deg., Rumex venosus Pursh, Rumex verticillatus L., Rupertia hallii (Rydb.) J.W.Grimes, Rupertia physodes (Douglas) J.W.Grimes, Ruppia cirrhosa (Petagna) Grande, Ruppia maritima L., Sabal mexicana Mart., Sabal minor (Jacq.) Pers., Sabal palmetto (Walter) Lodd. ex Schult. & Schult.f., Sabatia angularis (L.) Pursh, Sabatia arenicola Greenm., Sabatia bartramii Wilbur, Sabatia brachiata Elliott, Sabatia brevifolia Raf., Sabatia calycina (Lam.) A.Heller, Sabatia campanulata (L.) Torr. ex Griseb., Sabatia campestris Nutt., Sabatia capitata (Raf.) Blake, Sabatia difformis (L.) Druce, Sabatia dodecandra (L.) Britton, Sterns & Poggenb., Sabatia gentianoides Elliott, Sabatia grandiflora (Gray) Small, Sabatia kennedyana Fernald, Sabatia macrophylla Hook., Sabatia quadrangula Wilbur, Sabatia stellaris Pursh, Saccharum alopecuroidum (L.) Nutt., Saccharum baldwinii Spreng., Saccharum brevibarbe (Michx.) Pers., Saccharum coarctatum (Fernald) R.D.Webster, Saccharum contortum (Baldwin ex Elliott) Nutt., Saccharum giganteum (Walter) Pers., Sacciolepis striata (L.) Nash, Saccobasis polita (Nees) H.Buch, Saccobasis polymorpha (R.M.Schust.) Schljakov, Sachsia polycephala Griseb., Sadleria cyatheoides Kaulf., Sadleria pallida Hook. & Arn., Sadleria souleyetiana (Gaudich.) Moore, Sadleria squarrosa (Gaudich.) T.Moore, Saelania glaucescens Brotherus, 1894, Sageretia minutiflora (Michx.) Trel., Sageretia wrightii S.Watson, Sagina caespitosa (J.Vahl) Lange, Sagina decumbens (Elliott) Torr. & A.Gray, Sagina nivalis (Lindblom) Fr., Sagina nodosa (L.) Fenzl, Sagina procumbens L., Sagina saginoides (L.) Karst., Sagittaria ambigua J.G.Sm., Sagittaria australis (J.G.Sm.) Small, Sagittaria brevirostra Mack. & Bush, Sagittaria calycina var. calycina, Sagittaria cristata Engelm., Sagittaria cuneata E.Sheld., Sagittaria demersa J.G.Sm., Sagittaria engelmanniana J.G.Sm., Sagittaria fasciculata E.O.Beal, Sagittaria filiformis J.G.Sm., Sagittaria graminea Michx., Sagittaria isoetiformis J.G.Sm., Sagittaria kurziana Glück, Sagittaria lancifolia L., Sagittaria latifolia Willd., Sagittaria longiloba Engelm. ex J.G.Sm., Sagittaria montevidensis Cham. & Schltdl., Sagittaria platyphylla (Engelm.) J.G.Sm., Sagittaria rigida Pursh, Sagittaria sanfordii Greene, Sagittaria secundifolia Kral, Sagittaria subulata (L.) Buchenau, Sagittaria teres S.Watson, Sairocarpus breweri (A.Gray) D.A.Sutton, Sairocarpus kingii (S.Watson) D.A.Sutton, Sairocarpus subcordatus (A.Gray) D.A.Sutton, Sairocarpus vexillocalyculatus (Kellogg) D.A.Sutton, Sairocarpus virga (A.Gray) D.A.Sutton, Salazaria mexicana Torr., Salicornia bigelovii Torr., Salicornia maritima S.L.Wolff & Jefferies, Salicornia rubra A.Nelson, Salix alaxensis (Andersson) Coville, Salix amygdaloides Andersson, Salix arbusculoides Andersson, Salix arctica Pall., Salix arctophila Cockerell ex A.Heller, Salix argyrocarpa Andersson, Salix arizonica Dorn, Salix athabascensis Raup, Salix ballii Dorn, Salix barclayi Andersson, Salix barrattiana Hook., Salix bebbiana Sarg., Salix boothii Dorn, Salix brachycarpa Nutt., Salix breweri Bebb, Salix calcicola Fernald & Wiegand, Salix candida Flüggé ex Willd., Salix caroliniana Michx., Salix cascadensis Cockerell, Salix chamissonis Andersson, Salix chlorolepis Fernald, Salix commutata Bebb, Salix cordata Michx., Salix delnortensis C.K.Schneid., Salix discolor Muhl., Salix drummondiana Barratt, Salix eastwoodiae Cockerell ex A.Heller, Salix eriocephala Michx., Salix exigua Nutt., Salix farriae C.R.Ball, Salix floridana Chapm., Salix fuscescens Andersson, Salix glauca L., Salix gooddingii C.R.Ball, Salix herbacea L., Salix hookeriana Barratt, Salix humilis Marshall, Salix interior Rowlee, Salix irrorata Andersson, Salix jejuna Fernald, Salix laevigata Bebb, Salix lemmonii Bebb, Salix ligulifolia Ball ex C.K.Schneid., Salix lucida Muhl., Salix maccalliana Rowlee, Salix melanopsis Nutt., Salix monticola Bebb, Salix myricoides Muhl., Salix myrtillifolia Andersson, Salix nigra Marshall, Salix nivalis Hook., Salix ovalifolia Trautv., Salix pedicellaris Pursh, Salix pellita Andersson, Salix petiolaris Sm., Salix planifolia Pursh, Salix prolixa Andersson, Salix pseudomonticola Ball, Salix pyrifolia Andersson, Salix raupii Argus, Salix reticulata L., Salix richardsonii Hook., Salix rotundifolia Trautv., Salix scouleriana Barratt, Salix sericea Muhl., Salix serissima (Bailey) Fernald, Salix sessilifolia Nutt., Salix setchelliana Ball, Salix silicicola Raup, Salix sitchensis Sanson ex Bong., Salix sphenophylla A.K.Skvortsov, Salix stolonifera Coville, Salix taxifolia Kunth, Salix turnorii Raup, Salix tweedyi (Bebb ex Rose) Ball, Salix uva-ursi Pursh, Salix vestita Pursh, Salix wolfii Bebb, Salix ×bebbii Gand., Saltugilia latimeri T.L.Weese & L.A.Johnson, Salvia amissa Epling, Salvia arizonica A.Gray, Salvia brandegeei Munz, Salvia clevelandii (A.Gray) Greene, Salvia columbariae Benth., Salvia davidsonii Greenm., Salvia dolichantha E.Peter, Salvia dorrii (Kellogg) Abrams, Salvia dorrii var. clokeyi Strachan, Salvia dorrii var. clokeyi Strachan, Salvia eremostachya Jeps., Salvia funerea M.E.Jones, Salvia greatae Brandegee, Salvia leucophylla Greene, Salvia lyrata L., Salvia munzii Epling, Salvia pachyphylla Epling ex Munz, Salvia parryi A.Gray, Salvia penstemonoides K.Koch & C.D.Bouché, Salvia pinguifolia (Fernald) Wooton & Standl., Salvia reflexa Hornem., Salvia regla Cav., Salvia summa A.Nelson, Salvia urticifolia L., Salvia vaseyi (Porter) Parish, Salvia vinacea Wooton & Standl., Salvinia minima Baker, Sambucus racemosa L., Samolus ebracteatus Kunth, Samolus vagans Greene, Samolus valerandi L., Sanguinaria canadensis L., Sanguisorba canadensis L., Sanguisorba menziesii Rydb., Sanguisorba officinalis L., Sanicula arctopoides Hook. & Arn., Sanicula bipinnatifida Douglas, Sanicula canadensis L., Sanicula graveolens Poepp. ex DC., Sanicula hoffmannii (R.H.Shan & Constance) Bell, Sanicula marilandica L., Sanicula maritima Kellogg ex S.Watson, Sanicula mariversa Nagata & S.M.Gon, Sanicula odorata (Raf.) Pryer & Phillippe, Sanicula peckiana J.F.Macbr., Sanicula purpurea H.St.John & Hosaka, Sanicula sandwicensis A.Gray, Sanicula saxatilis Greene, Sanicula smallii E.P.Bicknell, Sanicula trifoliata E.P.Bicknell, Sanionia nivalis Hedenäs, Sanionia orthothecioides Loeske, 1907, Santalum ellipticum Gaudich., Santalum freycinetianum Gaudich., Santalum haleakalae Hillebr., Santalum paniculatum Hook. & Arn., Sanvitalia abertii A.Gray, Sapindus oahuensis Hillebr., Sapium caribaeum Urb., Sarcobatus vermiculatus (Hook.) Torr., Sarcocornia perennis (Mill.) A.J.Scott, Sarcocornia utahensis (Tidestr.) A.J.Scott, Sarcostemma crispum Benth., Sarcostemma torreyi (A.Gray) Woodson, Sarmentypnum exannulatum (Schimp.) Hedenäs, Sarmentypnum sarmentosum (Wahlenb.) Tuom. & T.J.Kop., Sarmentypnum trichophyllum (Warnst.) Hedenäs, Sarmentypnum tundrae (Arnell) Hedenäs, Sarracenia alabamensis F.W. & R.B.Case, Sarracenia flava L., Sarracenia jonesii Wherry, Sarracenia leucophylla Raf., Sarracenia minor Walter, Sarracenia oreophila (Kearney) Wherry, Sarracenia psittacina Michx., Sarracenia purpurea L., Sarracenia rosea Naczi, Case & R.B.Case, Sarracenia rubra Walter, Sarracenia ×catesbaei (Elliott) Bell, Sarracenia ×charlesmoorei Mellich., Sarracenia ×chelsonii Hort.Veitch., Sarracenia ×harperi Bell, Sarracenia ×rehderi Bell, Sarracenia ×swaniana hort. ex G.Nicholson, Sartwellia flaveriae A.Gray, Sassafras albidum (Nutt.) Nees, Saururus cernuus L., Saussurea americana D.C.Eaton, Saussurea angustifolia (Willd.) DC., Saussurea nuda Ledeb., Saussurea triangulata Trautv. & C.A.Mey., Saussurea weberi Hultén, Sauteria alpina (Nees) Nees, Savia bahamensis Britton, Saxifraga adscendens L., Saxifraga adscendens var. oregonensis (Raf.) Breitung, Saxifraga aizoides L., Saxifraga aleutica Hultén, Saxifraga bronchialis L., Saxifraga bryophora var. tobiasiae J.W.Grimes & P.L.Packard, Saxifraga cernua L., Saxifraga cespitosa L., Saxifraga cherlerioides Presl ex Ledeb., 1844, Saxifraga chrysantha A.Gray, Saxifraga debilis Engelm., Saxifraga eschscholtzii Sternb., Saxifraga flagellaris Sternb. & Willd., Saxifraga hirculus L., Saxifraga hyperborea R.Br., Saxifraga mertensiana Bong., Saxifraga oppositifolia L., Saxifraga paniculata Mill., Saxifraga rivularis L., Saxifraga serpyllifolia Pursh, Saxifraga serpyllifolia var. chrysantha (A.Gray) Dorn, Saxifraga tricuspidata Rottb., Saxifragopsis fragarioides (Greene) Small, Scaevola chamissoniana Gaudich., Scaevola coriacea Nutt., Scaevola gaudichaudiana Cham., Scaevola gaudichaudii Hook. & Arn., Scaevola glabra Hook. & Arn., Scaevola kilaueae O.Deg., Scaevola mollis Hook. & Arn., Scaevola plumieri (L.) Vahl, Scaevola procera Hillebr., Scaevola sericea G.Forst., Scapania apiculata Spruce, Scapania brevicaulis Taylor, Scapania calcicola (Arnell & J.Perss.) Ingham, Scapania carinthiaca J.B.Jack ex Lindb., Scapania compacta (Roth) Dumort., Scapania crassiretis Bryhn, Scapania curta (Mart.) Dumort., Scapania cuspiduligera (Nees) Müll.Frib., Scapania degenii Schiffn. ex Müll.Frib., Scapania glaucocephala (Taylor) Austin, Scapania gymnostomophila Kaal., Scapania hians Steph. ex Müll.Frib., Scapania hollandiae W.S.Hong, Scapania hyperborea Jørg., Scapania irrigua (Nees) Nees, Scapania kaurinii Ryan, Scapania ligulifolia R.M.Schust., Scapania lingulata H.Buch, Scapania microdonta (Mitt.) Müll.Frib., Scapania mucronata H.Buch, Scapania nemorea (L.) Grolle, Scapania obcordata (Berggr.) S.W.Arnell, Scapania obscura (Arnell & C.E.O.Jensen) Schiffn., Scapania ornithopodioides (With.) Waddell, Scapania paludicola Loeske & Müll.Frib., Scapania paludosa (Müll.Frib.) Müll.Frib., Scapania paradoxa R.M.Schust., Scapania parvifolia Warnst., Scapania praetervisa Meyl., Scapania pseudocalcicola R.M.Schust., Scapania scandica (Arnell & H.Buch) Macvicar, Scapania serrulata R.M.Schust., Scapania simmonsii Bryhn & Kaal., Scapania spitsbergensis (Lindb.) Müll.Frib., Scapania subalpina (Nees ex Lindenb.) Dumort., Scapania tundrae (Arnell) H.Buch, Scapania uliginosa (Lindenb.) Dumort., Scapania umbrosa (Schrad.) Dumort., Scapania undulata (L.) Dumort., Scapania zemliae S.W.Arnell, Schaefferia frutescens Jacq., Schedonnardus paniculatus (Nutt.) Trel., Scheuchzeria palustris L., Schiedea adamantis H.St.John, Schiedea apokremnos H.St.John, Schiedea attenuata W.L.Wagner, Weller & A.K.Sakai, Schiedea diffusa A.Gray, Schiedea globosa H.Mann, Schiedea haleakalensis O.Deg. & Sherff, Schiedea helleri Sherff, Schiedea hookeri A.Gray, Schiedea kaalae Wawra, Schiedea kauaiensis H.St.John, Schiedea kealiae Caum & Hosaka, Schiedea ligustrina Cham. & Schltdl., Schiedea lydgatei Hillebr., Schiedea mannii H.St.John, Schiedea membranacea H.St.John, Schiedea menziesii Hook., Schiedea nuttallii Hook., Schiedea pubescens Hillebr., Schiedea salicaria Hillebr., Schiedea sarmentosa O.Deg. & Sherff, Schiedea spergulina A.Gray, Schiedea stellarioides H.Mann, Schiedea verticillata F.Br., Schisandra glabra (Brickell) Rehder, Schistidium agassizii Sullivant & Lesquereux, 1856, Schistidium apocarpum Bruch & W.P.Schimper, 1845, Schistidium atrichum (Müll.Hal. & Kindb.) W.A.Weber, Schistidium atrofuscum (Schimp.) Limpr., Schistidium boreale Poelt, Schistidium cinclidodonteum B.Bremer, 1980, Schistidium confertum (Funck) Bruch & Schimp., Schistidium crassipilum H.Blom, 1996, Schistidium crassithecium H.H.Blom ex B.H.Allen, Schistidium cryptocarpum Mogensen & H.Blom, 1989, Schistidium dupretii (Thér.) W.A.Weber, Schistidium flaccidum Ochyra, 1989, Schistidium flexipile (Lindb. ex Broth.) G.Roth, Schistidium frigidum H.Blom, 1996, Schistidium heterophyllum McIntosh, 1990, Schistidium holmenianum Steere & Brassard, Schistidium liliputanum Deguchi, 1978, Schistidium maritimum Bruch & W.P.Schimper, 1845, Schistidium papillosum Culm., Schistidium pulchrum H.Blom, 1996, Schistidium rivulare (Brid.) Podp., 1911, Schistidium robustum H.Blom, 1996, Schistidium strictum (Turner) Loeske ex Martensson, Schistidium tenerum Nyholm, 1969, Schistidium trichodon Poelt, 1953, Schistidium venetum H.Blom, 1996, Schistochilopsis grandiretis (Lindb. ex Kaal.) Konstant., Schistochilopsis hyperarctica Konstant. & L.Söderstr., Schistochilopsis incisa (Schrad.) Konstant., Schistophragma intermedium (A.Gray) Pennell, Schistostega pennata Weber & D.Mohr, 1803, Schizachne purpurascens (Torr.) Swallen, Schizachyrium gracile (Spreng.) Nash, Schizachyrium maritimum (Chapm.) Nash, Schizachyrium niveum (Swallen) Gould, Schizachyrium sanguineum (Retz.) Alston, Schizachyrium scoparium (Michx.) Nash, Schizachyrium sericatum (Swallen) Gould, Schizachyrium spadiceum (Swallen) Wipff, Schizachyrium stoloniferum Nash, Schizaea pusilla Pursh, Schizaea robusta Baker, Schkuhria multiflora Hook. & Arn., Schljakovia kunzeana (Huebener) Konstant. & Vilnet, Schljakovianthus quadrilobus (Lindb.) Konstant. & Vilnet, Schlotheimia lancifolia E.B.Bartram, 1932, Schlotheimia rugifolia Schwaegrichen, 1824, Schoenocaulon dubium (Michx.) Small, Schoenocrambe linifolia (Nutt.) Greene, Schoenolirion albiflorum (Raf.) R.R.Gates, Schoenolirion croceum (Michx.) Alph.Wood, Schoenolirion wrightii Sherman, Schoenoplectiella hallii (A.Gray) Lye, Schoenoplectiella purshiana (Fernald) Lye, Schoenoplectiella saximontana (Fernald) Lye, Schoenoplectiella smithii (A.Gray) Hayas., Schoenoplectus acutus (Muhl. ex Bigelow) Á.Löve & D.Löve, Schoenoplectus americanus (Pers.) Volkart, Schoenoplectus californicus (C.A.Mey.) Soják, Schoenoplectus deltarum (Schuyler) Soják, Schoenoplectus etuberculatus (Steud.) Soják, Schoenoplectus heterochaetus (Chase) Soják, Schoenoplectus pungens (Vahl) Palla, Schoenoplectus subterminalis (Torr.) Soják, Schoenoplectus tabernaemontani (C.C.Gmel.) Palla, Schoenoplectus torreyi (Olney) Palla, Schoenoplectus steinmetzii (Fernald) S.G.Sm., Schoenus nigricans L., Schoepfia arenaria Britton, Schoepfia schreberi J.F.Gmel., Schwalbea americana L., Schwetschkeopsis fabronia Brotherus, 1907, Scirpus ancistrochaetus Schuyler, Scirpus atrocinctus Fernald, Scirpus atrovirens Willd., Scirpus congdonii Britton, Scirpus cyperinus (L.) Kunth, Scirpus diffusus Schuyler, Scirpus divaricatus Elliott, Scirpus expansus Fernald, Scirpus flaccidifolius (Fernald) Schuyler, Scirpus georgianus R.M.Harper, Scirpus hattorianus Makino, Scirpus lineatus Michx., Scirpus longii Fernald, Scirpus microcarpus J.Presl & C.Presl, Scirpus nevadensis S.Watson, Scirpus pallidus (Britton) Fernald, Scirpus pedicellatus Fernald, Scirpus pendulus Muhl., Scirpus polyphyllus Vahl, Sciuro-hypnum curtum (Lindb.) Ignatov, Sciuro-hypnum glaciale (Schimp.) Ignatov & Huttunen, Sciuro-hypnum hylotapetum (N.L.Higinb. & B.L.Higinb.) Ignatov & Huttunen, Sciuro-hypnum latifolium (Kindb.) Ignatov & Huttunen, Sciuro-hypnum oedipodium (Mitt.) Ignatov & Huttunen, Sciuro-hypnum plumosum (Hedw.) Ignatov & Huttunen, Sciuro-hypnum populeum (Hedw.) Ignatov & Huttunen, Sciuro-hypnum reflexum (Starke) Ignatov & Huttunen, Sciuro-hypnum starkei (Brid.) Ignatov & Huttunen, Scleria baldwinii (Torr.) Steud., Scleria ciliata Michx., Scleria georgiana Core, Scleria minor (Britton) W.Stone, Scleria muehlenbergii Steud., Scleria nutans Willd. ex Kunth, Scleria oligantha Michx., Scleria pauciflora Muhl. ex Willd., Scleria reticularis Michx., Scleria testacea Nees ex Kunth, Scleria triglomerata Michx., Scleria verticillata Muhl. ex Willd., Sclerocactus blainei S.L.Welsh & K.H.Thorne, Sclerocactus brevihamatus (Engelm.) D.R.Hunt, Sclerocactus brevispinus K.D.Heil & J.M.Porter, Sclerocactus cloverae K.D.Heil & J.M.Porter, Sclerocactus glaucus (K.Schum.) L.D.Benson, Sclerocactus mesae-verdae (Boissev. & Davidson) L.D.Benson, Sclerocactus nyensis Hochstätter, Sclerocactus papyracanthus (Engelm.) N.P.Taylor, Sclerocactus parviflorus Clover & Jotter, Sclerocactus polyancistrus (Engelm. & Bigelow) Britton & Rose, Sclerocactus pubispinus (Engelm.) L.D.Benson, Sclerocactus scheerii (Salm-Dyck) N.P.Taylor, Sclerocactus sileri (Engelm. ex Coult.) K.D.Heil & J.M.Porter, Sclerocactus spinosior (Engelm. ex Boiss.) Woodruff & Benson, Sclerocactus uncinatus (Galeotti) N.P.Taylor, Sclerocactus wetlandicus Hochstätter, Sclerocactus whipplei (Engelm. & Bigelow) Britton & Rose, Sclerocactus wrightiae L.D.Benson, Sclerolepis uniflora (Walter) Britton, Sterns & Poggenb., Sclerolinon digynum (A.Gray) C.M.Rogers, Scleropodium californicum Kindberg, 1888, Scleropodium occidentale B.E.Carter, Scleropodium touretii L.F.Koch, 1949, Scleropogon brevifolius Phil., Scoliopus bigelovii Torr., Scolochloa festucacea (Willd.) Link, Scopelophila cataractae Brotherus, 1902, Scopelophila ligulata Spruce, 1881, Scopulophila rixfordii (Brandegee) Munz & I.M.Johnst., Scorpidium cossonii Hedenäs, 1989, Scorpidium revolvens Rubers, 1989, Scorpidium scorpioides Limpricht, 1899, Scouleria aquatica W.J.Hooker, 1828, Scouleria marginata Britton, 1895, Scribneria bolanderi (Thurb.) Hack., Scrophularia atrata Pennell, Scrophularia laevis Wooton & Standl., Scrophularia lanceolata Pursh, Scrophularia macrantha Greene ex Stiefelh., Scrophularia marilandica L., Scrophularia villosa Pennell ex Millsp. & Nutt., Scutellaria alabamensis Alexander, Scutellaria altamaha Small, Scutellaria antirrhinoides Benth., Scutellaria arenicola Small, Scutellaria arguta Buckley, Scutellaria brittonii Porter, Scutellaria bushii Britton, Scutellaria cardiophylla Engelm. & A.Gray, Scutellaria drummondii Benth., Scutellaria elliptica Muhl., Scutellaria floridana Chapm., Scutellaria galericulata L., Scutellaria glabriuscula Fernald, Scutellaria havanensis Jacq., Scutellaria incana Spreng., Scutellaria integrifolia L., Scutellaria laevis Shinners, Scutellaria lateriflora L., Scutellaria montana Chapm., Scutellaria multiglandulosa (Kearney) Small ex Harper, Scutellaria nana A.Gray, Scutellaria nervosa Pursh, Scutellaria ocmulgee Small, Scutellaria ovata Hill, Scutellaria parvula Michx., Scutellaria potosina Brandegee, Scutellaria pseudoserrata Epling, Scutellaria sapphirina (Barneby) Olmstead, Scutellaria saxatilis Riddell, Scutellaria serrata Andrews, Scutellaria tessellata Epling, Scutellaria thieretii Shinners, Sedella leiocarpa H.Sharsm., Sedella pentandra H.Sharsmith, Sedella pumila (Benth.) Britton & Rose, Sedum albomarginatum R.T.Clausen, Sedum borschii (R.T.Clausen) R.T.Clausen, Sedum citrinum Zika, Sedum cockerellii Britton, Sedum debile S.Watson, Sedum divergens S.Watson, Sedum eastwoodiae (Britton) A.Berger, Sedum flavidum (Denton) B.L.Wilson & Zika, Sedum glaucophyllum R.T.Clausen, Sedum havardii Rose, Sedum lanceolatum Torr., Sedum leibergii Britton, Sedum marmorense Otting & R.E.Brainerd, Sedum moranii Clausen, Sedum nevii A.Gray, Sedum niveum Davidson, Sedum nuttallii Torr. & E.James ex Eaton, Sedum oblanceolatum R.T.Clausen, Sedum oreganum Nutt. ex Torr. & A.Gray, Sedum paradisum (Denton) Denton ex B.L.Wilson, Sedum patens Zika, Sedum pulchellum Michx., Sedum pusillum Michx., Sedum robertsianum Alexander, Sedum rubiginosum Zika & B.L.Wilson, Sedum rupicola G.N.Jones, Sedum sanhedrinum A.Berger, Sedum stelliforme S.Watson, Sedum stenopetalum Pursh, Sedum ternatum Michx., Sedum valens Björk, Sedum villosum L., Sedum wrightii A.Gray, Selaginella apoda (L.) Spring, Selaginella arbuscula (Kaulf.) Spring, Selaginella arenicola Underw., Selaginella armata Baker, Selaginella cinerascens A.A.Eaton, Selaginella deflexa Brack., Selaginella densa Rydb., Selaginella douglasii (Hook. & Grev.) Spring, Selaginella eatonii Hieron. ex Small, Selaginella eclipes W.R.Buck, Selaginella eremophila Maxon, Selaginella hansenii Hieron., Selaginella leucobryoides Maxon, Selaginella ludoviciana A.Braun, Selaginella mutica D.C.Eaton ex Underw., Selaginella mutica var. mutica, Selaginella oregana D.C.Eaton, Selaginella pilifera A.Braun, Selaginella rupestris (L.) Spring, Selaginella selaginoides (L.) Schrank & C.F.P.Mart., Selaginella tortipila A.Braun, Selaginella underwoodii Hieron., Selaginella utahensis Flowers, Selaginella viridissima Weath., Selaginella wallacei Hieron., Selaginella watsonii Underw., Selaginella weatherbiana R.M.Tryon, Selenia aurea Nutt., Selenia grandis R.F.Martin, Selenia jonesii Cory, Seligeria acutifolia Lindberg, 1864, Seligeria brevifolia Lindberg, 1890, Seligeria calcarea Bruch & W.P.Schimper, 1849, Seligeria campylopoda Kindberg, 1892, Seligeria careyana Vitt & W.B.Schofield, 1976, Seligeria diversifolia Lindberg, 1861, Seligeria donniana C.Müller, 1848, Seligeria oelandica C.E.O.Jensen & Medelius, 1929, Seligeria polaris Berggren, 1875, Seligeria pusilla Bruch & W.P.Schimper, 1846, Seligeria recurvata Bruch & W.P.Schimper, 1846, Seligeria subimmersa Lindberg, 1879, Seligeria tristichoides Kindberg, 1896, Selinocarpus lanceolatus Wooton, Selinocarpus maloneanus B.L.Turner, Selinocarpus nevadensis (Standl.) Fowler & Turner, Sematophyllum adnatum Britton, 1902, Sematophyllum demissum Mitten, 1864, Sematophyllum marylandicum Britton, 1902, Senecio L., Senecio amplectens A.Gray, Senecio ampullaceus Hook., Senecio aphanactis Greene, Senecio astephanus Greene, Senecio atratus Greene, Senecio bigelovii A.Gray, Senecio bigelovii var. hallii A.Gray, Senecio blochmaniae Greene, Senecio cannabifolius Less., Senecio castoreus S.L.Welsh, Senecio congestus (R.Br.) DC., Senecio crassulus A.Gray, Senecio L., Senecio dimorphophyllus var. intermedius T.M.Barkley, 1962, Senecio elmeri Piper, Senecio eremophilus Richards., Senecio ertterae T.M.Barkley, Senecio fremontii Torr. & A.Gray, Senecio fremontii var. inexpectatus Cronquist, Senecio hydrophiloides Rydb., Senecio hydrophilus Nutt., Senecio integerrimus Nutt., Senecio lugens Richards., Senecio lyonii A.Gray ex Lyon, Senecio malmstenii S.F.Blake, 1923, Senecio megacephalus Nutt., Senecio multidentatus Sch.Bip. ex Hemsl., Senecio musiniensis S.L.Welsh, Senecio neowebsteri S.F.Blake, Senecio parryi A.Gray, Senecio pattersonensis Hoover, Senecio pseudoarnica Less., Senecio pudicus Greene, Senecio rapifolius Nutt., Senecio riddellii Torr. & A.Gray, Senecio sacramentanus Wooton & Standl., Senecio serra Hook., Senecio sheldonensis A.E.Porsild, Senecio soldanella A.Gray, Senecio spartioides Torr. & A.Gray, Senecio sphaerocephalus Greene, Senecio taraxacoides (A.Gray) Greene, Senecio warnockii Shinners, Senecio wootonii Greene, Senna armata (S.Watson) H.S.Irwin & Barneby, Senna covesii (A.Gray) H.S.Irwin & Barneby, Senna hebecarpa (Fernald) H.S.Irwin & Barneby, Senna marilandica (L.) Link, Senna obtusifolia (L.) H.S.Irwin & Barneby, Senna orcuttii (Britton & Rose) H.S.Irwin & Barneby, Senna ripleyana (H.S.Irwin & Barneby) H.S.Irwin & Barneby, Senna wislizeni (A.Gray) H.S.Irwin & Barneby, Sequoia sempervirens (D.Don) Endl., Sequoiadendron giganteum (Lindl.) J.T.Buchholz, Serenoa repens (W.Bartram) Small, Sericocarpus asteroides (L.) Britton, Stern & Poggenb., Sericocarpus linifolius (L.) Britton, Sterns & Poggenb., Sericocarpus rigidus Lindl., Sesbania exaltata (Raf.) Cory, Sesbania tomentosa Hook. & Arn., Sesuvium maritimum (Walter) Britton, Sterns & Poggenb., Sesuvium portulacastrum (L.) L., Sesuvium verrucosum Raf., Setaria arizonica Rominger, Setaria corrugata (Elliott) Schult., Setaria magna Griseb., Setaria parviflora (Poir.) Kerguélen, Setaria texana Emery, Setaria villosissima (Scribn. & Merr.) K.Schum., Seymeria bipinnatisecta Seem., Seymeria cassioides (J.F.Gmel.) Blake, Seymeria texana (Gray) Pennell, Shepherdia argentea (Pursh) Nutt., Shepherdia canadensis (L.) Nutt., Shepherdia rotundifolia Parry, Shinnersoseris rostrata (A.Gray) Tomb, Shortia galacifolia Torr. & A.Gray, Shoshonea pulvinata Evert & Constance, Sibara deserti (M.E.Jones) Rollins, Sibara filifolia (Greene) Greene, Sibara grisea Rollins, Sibara rosulata Rollins, Sibara virginica (L.) Rollins, Sibaropsis hammittii S.Boyd & T.S.Ross, Sibbaldia procumbens L., Sibbaldiopsis tridentata (Aiton) Rydb., Sicyos alba (H.St.John) Telford, Sicyos ampelophyllus Wooton & Standl., Sicyos angulatus L., Sicyos anunu (St.John) Telford, Sicyos cucumerinus A.Gray, Sicyos erostratus H.St.John, Sicyos glaber Wooton, Sicyos herbstii (H.St.John) Telford, Sicyos hispidus Hillebr., Sicyos laciniatus L., Sicyos lasiocephalus Skottsb., Sicyos macrophylla A.Gray, Sicyos maximowiczii Cogn., Sicyos microphyllus Kunth, Sicyos waimanaloensis H.St.John, Sicyosperma gracile A.Gray, Sida elliottii Torr. & A.Gray, Sida fallax Walp., Sida hermaphrodita Linnaeus, 1753, Sida inflexa Fernald, Sidalcea candida A.Gray, Sidalcea covillei Greene, Sidalcea hendersonii S.Watson, Sidalcea hickmanii Greene, Sidalcea hirsuta A.Gray, Sidalcea hirtipes C.L.Hitchc., Sidalcea keckii Wiggins, Sidalcea malachroides (Hook. & Arn.) Gray, Sidalcea multifida Greene, Sidalcea nelsoniana Piper, Sidalcea neomexicana A.Gray, Sidalcea oregana (Nutt. ex Torr. & A.Gray) Gray, Sidalcea pedata A.Gray, Sidalcea ranunculacea Greene, Sidalcea robusta A.Heller, Sidalcea stipularis J.T.Howell & True, Sideroxylon alachuense L.C.Anderson, Sideroxylon celastrinum (Kunth) T.D.Penn., Sideroxylon lanuginosum Michx., Sideroxylon lycioides L., Sideroxylon reclinatum Michx., Sideroxylon salicifolium (L.) Lam., Sideroxylon tenax L., Sideroxylon thornei (Cronquist) T.D.Penn., Silene acaulis (L.) Jacq., Silene alexandri Hillebr., Silene antirrhina L., Silene bernardina S.Watson, Silene bolanderi A.Gray, Silene caroliniana Walter, Silene clokeyi C.L.Hitchc. & Maguire, Silene douglasii Hook., Silene drummondii Hook., Silene hawaiiensis Sherff, Silene hookeri Nutt. ex Torr. & A.Gray, Silene involucrata (Cham. & Schltdl.) Bocquet, Silene kingii (S.Watson) Bocquet, Silene lanceolata A.Gray, Silene lemmonii S.Watson, Silene macrosperma (A.E.Porsild) Hultén, Silene marmorensis Kruckeb., Silene menziesii Hook., Silene nachlingerae Tiehm, Silene nelsonii Mesler, M.S.Mayer & Carothers, Silene nivea (Nutt.) Muhl., Silene oregana S.Watson, Silene ovata Pursh, Silene parishii S.Watson, Silene parryi (S.Watson) C.L.Hitchc. & Maguire, Silene perlmanii W.L.Wagner, D.R.Herbst & Sohmer, Silene petersonii Maguire, Silene plankii C.L.Hitchc. & Maguire, Silene polypetala (Walter) Fernald & B.G.Schub., Silene rectiramea Rob., Silene regia Sims, Silene repens Patrin, Silene rotundifolia Nutt., Silene salmonacea T.W.Nelson, J.P.Nelson & S.A.Erwin, Silene scaposa S.Watson, Silene scaposa var. lobata C.L.Hitchc. & Maguire, Silene scouleri Hook., Silene seelyi Morton & J.W.Thomps., Silene serpentinicola T.W.Nelson & J.P.Nelson, Silene sorensenis (Boivin) Bocquet, Silene spaldingii S.Watson, Silene stellata (L.) Coyte, Silene struthioloides A.Gray, Silene subciliata Rob., Silene suksdorfii Rob., Silene thurberi S.Watson, Silene uralensis (Rupr.) Bocquet, Silene uralensis subsp. montana (S.Watson) McNeill, Silene verecunda S.Watson, Silene virginica L., Silene wrightii A.Gray, Silphium brachiatum Gatt., Silphium compositum Michx., Silphium glutinosum J.R.Allison, Silphium gracile A.Gray, Silphium integrifolium Michx., Silphium laciniatum L., Silphium mohrii Small, Silphium perfoliatum L., Silphium pinnatifidum T.Nees, Silphium radula Nutt., Silphium reverchonii Bush, Silphium simpsonii Greene, Silphium terebinthinaceum Jacq., Silphium trifoliatum L., Silphium wasiotense Medley, Simarouba glauca DC., Simmondsia chinensis (Link) C.K.Schneid., Siphonoglossa longiflora (Torr.) Gray, Sisyrinchium acre H.Mann, Sisyrinchium albidum Raf., Sisyrinchium angustifolium Mill., Sisyrinchium arizonicum Rothr., Sisyrinchium atlanticum E.P.Bicknell, Sisyrinchium campestre E.P.Bicknell, Sisyrinchium capillare E.P.Bicknell, Sisyrinchium cernuum (E.P.Bicknell) Kearney, Sisyrinchium demissum Greene, Sisyrinchium dichotomum E.P.Bicknell, Sisyrinchium ensigerum E.P.Bicknell, Sisyrinchium funereum E.P.Bicknell, Sisyrinchium fuscatum E.P.Bicknell, Sisyrinchium hitchcockii Douglass M.Hend., Sisyrinchium idahoense E.P.Bicknell, Sisyrinchium langloisii Greene, Sisyrinchium longipes (E.P.Bicknell) Kearney & Peebles, Sisyrinchium minus Engelm. & A.Gray, Sisyrinchium montanum Greene, Sisyrinchium mucronatum Michx., Sisyrinchium pallidum Cholewa & Douglass M.Hend., Sisyrinchium radicatum E.P.Bicknell, Sisyrinchium rosulatum E.P.Bicknell, Sisyrinchium sarmentosum Suksd. ex Greene, Sisyrinchium septentrionale E.P.Bicknell, Sisyrinchium xerophyllum Greene, Sium carsonii Durand ex A.Gray, Sium suave Walter, Smallanthus uvedalia (L.) Mack., Smelowskia americana (Regel & Herder) Rydb., Smelowskia borealis (Greene) W.H.Drury & Rollins, Smelowskia johnsonii G.A.Mulligan, Smelowskia media (W.H.Drury & Rollins) Velichkin, Smelowskia ovalis M.E.Jones, Smelowskia porsildii (W.H.Drury & Rollins) Jurtzev, Smelowskia pyriformis W.H.Drury & Rollins, Smilax auriculata Walter, Smilax biltmoreana (Small) J.B.Norton ex Pennell, Smilax bona-nox L., Smilax californica (A.DC.) A.Gray, Smilax ecirrhata (Engelm. ex Kunth) S.Watson, Smilax glauca Walter, Smilax herbacea L., Smilax hugeri (Small) J.B.Norton ex Pennell, Smilax illinoensis Mangaly, Smilax jamesii G.A.Wallace, Smilax lasioneura Hook., Smilax laurifolia L., Smilax melastomifolia Sm., Smilax pseudochina L., Smilax pulverulenta Michx., Smilax renifolia Small, Smilax rotundifolia L., Smilax tamnoides L., Smilax walteri Pursh, Solanum clokeyi Munz, Solanum conocarpum Dunal ex Poir., Solanum davisense Whalen, Solanum dimidiatum Raf., Solanum donianum Walp., Solanum drymophilum O.E.Schulz, Solanum heterodoxum Dunal, Solanum incompletum Dunal, Solanum jamesii Torr., Solanum leptosepalum Correll, Solanum lumholtzianum B.L.Rob., Solanum nelsonii Dunal, Solanum nigrescens M.Martens & Galeotti, Solanum parishii A.Heller, Solanum pseudogracile Heiser, Solanum ptychanthum Dunal, Solanum rostratum Dunal, Solanum sandwicense Hook. & Arn., Solanum tenuilobatum Parish, Solanum triflorum Nutt., Solanum wallacei (A.Gray) Parish, Solanum woodburyi R.A.Howard, Solenostoma appalachianum R.M.Schust. ex Bakalin, Solenostoma confertissimum (Nees) Schljakov, Solenostoma crenuliforme (Austin) Steph., Solenostoma fossombronioides (Austin) R.M.Schust., Solenostoma gracillimum (Sm.) R.M.Schust., Solenostoma hyalinum (Lyell) Mitt., Solenostoma obovatum (Nees) C.Massal., Solenostoma obscurum (A.Evans) R.M.Schust., Solenostoma rubrum (Gottsche ex Underw.) R.M.Schust., Solenostoma schusterianum (J.D.Godfrey & G.Godfrey) Váňa, Hentschel & J.Heinrichs, Solenostoma sphaerocarpum (Hook.) Steph., Solidago albopilosa E.L.Braun, Solidago altissima L., Solidago arguta Aiton, Solidago auriculata Shuttlew. ex S.F.Blake, Solidago bicolor L., Solidago brachyphylla Chapm. ex Torr. & A.Gray, Solidago buckleyi Torr. & A.Gray, Solidago caesia L., Solidago capulinensis Cockerell & Andrews, Solidago curtisii Torr. & A.Gray, Solidago deamii Fernald, Solidago discoidea (Elliott) Torr. & A.Gray, Solidago erecta Banks ex Pursh, Solidago flaccidifolia Small, Solidago flexicaulis L., Solidago gattingeri Chapm. ex A.Gray, Solidago georgiana Semple, Solidago gigantea Aiton, Solidago glomerata Michx., Solidago gracillima Torr. & A.Gray, Solidago guiradonis A.Gray, Solidago hispida Muhl. ex Willd., Solidago houghtonii Torr. & A.Gray ex A.Gray, Solidago juncea Aiton, Solidago lancifolia (Torr. & A.Gray) Chapm., Solidago latissimifolia Mill., Solidago leavenworthii Torr. & A.Gray, Solidago leiocarpa DC., Solidago macrophylla Banks ex Pursh, Solidago missouriensis Nutt., Solidago mollis Bartl., Solidago multiradiata Aiton, Solidago nana Nutt., Solidago nemoralis Aiton, Solidago odora Aiton, Solidago ouachitensis C.E.S. & R.J.Taylor, Solidago patula Muhl., Solidago petiolaris Aiton, Solidago pinetorum Small, Solidago plumosa Small, Solidago porteri Small, Solidago puberula Nutt., Solidago pulchra Small, Solidago radula Nutt., Solidago roanensis Porter, Solidago rupestris Raf., Solidago sciaphila Steele, Solidago sempervirens L., Solidago shortii Torr. & A.Gray, Solidago simplex Kunth, Solidago simulans Fernald, Solidago speciosa Nutt., Solidago spectabilis (D.C.Eaton) A.Gray, Solidago sphacelata Raf., Solidago spithamaea M.A.Curtis ex A.Gray, Solidago squarrosa Muhl., Solidago stricta Aiton, Solidago tortifolia Elliott, Solidago uliginosa Nutt., Solidago ulmifolia Muhl. ex Willd., Solidago velutina DC., Solidago verna M.A.Curtis, Solidago vossii J.S.Pringle & Laureto, Solidago wrightii A.Gray, Solorina spongiosa (Ach.) Anzi, Sophora affinis Torr. & A.Gray, Sophora arizonica S.Watson, Sophora chrysophylla (Salisb.) Seem., Sophora gypsophila B.L.Turner & A.M.Powell, Sophora leachiana M.E.Peck, Sophora nuttalliana B.L.Turner, Sophora stenophylla A.Gray, Sophora tomentosa L., Sorbus americana Marsh, Sorbus scopulina Greene, Sorbus sitchensis M.Roem., Sorghastrum apalachicolense D.W.Hall, Sorghastrum elliottii (C.Mohr) Nash, Sorghastrum nutans (L.) Nash, Sparganium americanum Nutt., Sparganium androcladum (Engelm.) Morong, Sparganium angustifolium Michx., Sparganium eurycarpum Engelm., Sparganium fluctuans (Engelm.) B.L.Rob., Sparganium glomeratum (Laest. ex Beurl.) Beurl., Sparganium hyperboreum Laest. ex Beurl., Sparganium natans L., Spartina alterniflora Loisel., Spartina cynosuroides (L.) Roth, Spartina foliosa Trin., Spartina gracilis Trin., Spartina patens (Aiton) Muhl., Spartina pectinata Bosc ex Link, Spergularia canadensis (Pers.) G.Don, Spergularia salina J. & K.Presl, Spermacoce L., Spermacoce floridana Gand., Spermacoce glabra Michx., Spermacoce L., Spermolepis diffusa (Nutt. ex DC.) G.L.Nesom, Spermolepis divaricata (Walter) Britton, Spermolepis echinata (Nutt.) A.Heller, Spermolepis gigantea (J.M.Coult. & Rose) G.L.Nesom, Spermolepis hawaiiensis H.Wolff, Spermolepis inermis (Nutt. ex DC.) Mathias & Constance, Spermolepis infernensis G.L.Nesom, Spermolepis organensis G.L.Nesom, Sphaeralcea angustifolia (Cav.) G.Don, Sphaeralcea caespitosa M.E.Jones, Sphaeralcea coccinea (Nutt.) Rydb., Sphaeralcea fumariensis (S.L.Welsh & N.D.Atwood) N.D.Atwood & S.L.Welsh, Sphaeralcea gierischii N.D.Atwood & S.L.Welsh, Sphaeralcea janeae (S.L.Welsh) S.L.Welsh, Sphaeralcea leptophylla (A.Gray) Rydb., Sphaeralcea moorei (S.L.Welsh) N.D.Atwood & S.L.Welsh, Sphaeralcea munroana (Douglas ex Lindl.) Spach, Sphaeralcea psoraloides S.L.Welsh, Sphaeralcea rusbyi A.Gray, Sphaeralcea wrightii A.Gray, Sphaerocarpos cristatus M.Howe, Sphaerocarpos donnellii Austin, Sphaerocarpos drewiae Wigglesw., Sphaerocarpos hians Haynes, Sphaerocarpos texanus Austin, Sphaeromeria argentea Nutt., Sphaeromeria cana (D.C.Eaton) A.Heller, Sphaeromeria capitata Nutt., Sphaeromeria compacta (H.M.Hall) A.H.Holmgren, L.M.Shultz & Lowrey, Sphaeromeria diversifolia (D.C.Eaton) Rydb., Sphaeromeria potentilloides (A.Gray) A.Heller, Sphaeromeria potentilloides var. nitrophila (Cronquist) A.H.Holmgren, L.M.Shultz & Lowrey, Sphaeromeria ruthiae A.H.Holmgren, L.M.Shultz & Lowrey, Sphaeromeria simplex (A.Nelson) A.Heller, Sphaerosporoceros adscendens (Lehm. & Lindenb.) Hässel, Sphagnum L., Sphagnum affine Renauld & Cardot, Sphagnum alaskense Andrus & Janssens, 2003, Sphagnum andersonianum Andrus, 1980, Sphagnum angermanicum Melin, 1919, Sphagnum angustifolium C.E.O.Jensen, 1896, Sphagnum annulatum Warnstorf, 1898, Sphagnum aongstroemii C.Hartman, 1858, Sphagnum arcticum Flatberg & Frisvoll, 1984, Sphagnum atlanticum R.E.Andrus, Sphagnum austinii Sull., Sphagnum balticum C.E.O.Jensen, 1890, Sphagnum bartlettianum Warnstorf, 1911, Sphagnum bergianum R.E.Andrus, Sphagnum capillifolium Hedwig, 1782, Sphagnum carolinianum Andrus, 1983, Sphagnum centrale C.E.O.Jensen, 1896, Sphagnum compactum Lamarck & A.P.de Candolle, 1805, Sphagnum contortum Schultz, 1819, Sphagnum cribrosum Lindb., Sphagnum cuspidatum Ehrhart ex G.F.Hoffmann, 1796, Sphagnum cyclophyllum Sullivant & Lesquereux, 1856, Sphagnum fallax Klinggräff, 1881, Sphagnum fimbriatum Wilson, 1847, Sphagnum fitzgeraldii Renauld & Cardot, 1884, Sphagnum flavicomans Warnstorf, 1911, Sphagnum flexuosum Dozy & Molkenboer, 1851, Sphagnum fuscum Klinggräff, 1872, Sphagnum girgensohnii Russow, 1865, Sphagnum henryense Warnstorf, 1900, Sphagnum imbricatum Hornschuch ex Russow, 1865, Sphagnum inexspectatum Flatberg, Sphagnum inundatum Russow, 1894, Sphagnum isoviitae Flatberg, 1992, Sphagnum jensenii H.Lindberg, 1899, Sphagnum junghuhnianum Dozy & Molkenboer, 1854, Sphagnum lenense H.Lindberg ex Savicz-Ljubitskaya, 1936, Sphagnum lescurii Sullivant, 1856, Sphagnum lindbergii W.P.Schimper, 1857, Sphagnum macrophyllum Bernhardi ex Bridel, 1826, Sphagnum magellanicum Bridel, 1798, Sphagnum majus C.E.O.Jensen, 1890, Sphagnum mcqueenii R.E.Andrus, Sphagnum mendocinum Sullivant, 1874, Sphagnum mirum Flatberg & Thingsgaard, Sphagnum molle Sullivant, 1846, Sphagnum obtusum Warnstorf, 1877, Sphagnum oregonense R.E.Andrus, Sphagnum orientale Savicz-Ljubitskaya, 1951, Sphagnum palustre L., 1753, Sphagnum papillosum Lindberg, 1872, Sphagnum perfoliatum L.I.Savicz, Sphagnum perichaetiale Hampe, 1848, Sphagnum platyphyllum Warnstorf, 1884, Sphagnum portoricense Hampe, 1852, Sphagnum pulchrum Warnstorf, 1900, Sphagnum pylaesii Bridel, 1827, Sphagnum quinquefarium Warnstorf, 1886, Sphagnum recurvum Palisot de Beauvois, 1805, Sphagnum riparium Ångström, 1864, Sphagnum rubellum Wilson, 1855, Sphagnum rubiginosum Flatberg, 1993, Sphagnum rubroflexuosum Andrus, 1988, Sphagnum russowii Warnstorf, 1886, Sphagnum splendens Maass, 1967, Sphagnum squarrosum Crome, 1803, Sphagnum steerei Andrus, 1988, Sphagnum strictum Sullivant, 1846, Sphagnum subfulvum Sjörs, 1944, Sphagnum subnitens Russow & Warnstorf, 1888, Sphagnum subsecundum Nees, 1819, Sphagnum subtile Warnstorf, 1903, Sphagnum tenellum Bridel, 1819, Sphagnum tenerum Sullivant & Lesquereux ex Sullivant, 1856, Sphagnum teres Ångström, 1861, Sphagnum torreyanum Sullivant, 1849, Sphagnum trinitense C.Müller, 1848, Sphagnum tundrae Flatberg, 1994, Sphagnum viride Flatberg, 1988, Sphagnum warnstorfii Russow, Sphagnum wilfii H.Crum, 1984, Sphagnum wulfianum Girgensohn, 1860, Sphenolobopsis pearsonii (Spruce) R.M.Schust., Sphenolobus minutus (Schreb.) Berggr., Sphenolobus saxicola (Schrad.) Steph., Sphenomeris chinensis Linnaeus, 1753, Sphenomeris clavata (L.) Maxon, Sphenopholis filiformis (Chapm.) Scribn., Sphenopholis intermedia (Rydb.) Rydb., Sphenopholis longiflora (Vasey ex L.H.Dewey) Hitchc., Sphenopholis nitida (Biehler) Scribn., Sphenopholis obtusata (Michx.) Scribn., Sphenopholis pensylvanica (L.) Hitchc., Sphenopholis pallens (Biehler) Scribn., Sphinctospermum constrictum (S.Watson) Rose, Spigelia alabamensis (K.Gould) K.G.Mathews & Weakley, Spigelia gentianoides Chapm. ex A.DC., Spigelia loganioides (Torr. & Gray) A.DC., Spigelia marilandica (L.) L., Spigelia texana (Torr. & Gray) A.DC., Spiraea alba Du Roi, Spiraea betulifolia Pall., Spiraea douglasii Hook., Spiraea splendens Baumann ex K.Koch, Spiraea stevenii (C.K.Schneid.) Rydb., Spiraea tomentosa L., Spiraea virginiana Britton, Spiraea ×pyramidata Greene, Spiranthes Rich., Spiranthes brevilabris Lindl., Spiranthes casei Catling & Cruise, Spiranthes cernua (L.) Rich., Spiranthes confusa (Garay) Kartesz & Gandhi, Spiranthes costaricensis Rchb.f., Spiranthes cranichoides (Griseb.) Cogn., Spiranthes delitescens Sheviak, Spiranthes diluvialis Sheviak, Spiranthes eatonii Ames ex P.M.Br., Spiranthes floridana (Wherry) Cory, Spiranthes igniorchis M.C.Pace, Spiranthes infernalis Sheviak, Spiranthes lacera (Raf.) Raf., Spiranthes laciniata (Small) Ames, Spiranthes lanceolata (Aubl.) León, Spiranthes longilabris Lindl., Spiranthes lucida (H.H.Eaton) Ames, Spiranthes magnicamporum Sheviak, Spiranthes michuacana (Lex.) Hemsl., Spiranthes ochroleuca (Rydb.) Rydb., Spiranthes odorata (Nutt.) Lindl., Spiranthes ovalis Lindl., Spiranthes parksii Correll, Spiranthes porrifolia Lindl., Spiranthes praecox (Walter) S.Watson, Spiranthes romanzoffiana Cham., Spiranthes torta (Thunb.) Garay & H.R.Sweet, Spiranthes tuberosa Raf., Spiranthes vernalis Engelm. & A.Gray, Spirodela polyrhiza (L.) Schleid., Spirodela polyrhiza (L.) Schleid., Spirodela punctata (G.Mey.) C.H.Thomps., Splachnum ampullaceum Hedwig, 1801, Splachnum luteum Hedwig, 1801, Splachnum pensylvanicum Grout ex H.Crum, 1966, Splachnum rubrum Hedwig, 1801, Splachnum sphaericum Hedwig, 1801, Splachnum vasculosum Hedwig, 1801, Sporobolus airoides (Torr.) Torr., Sporobolus buckleyi Vasey, Sporobolus clandestinus (Biehler) Hitchc., Sporobolus compositus (Poir.) Merr., Sporobolus compositus var. compositus, Sporobolus cryptandrus (Torr.) A.Gray, Sporobolus curtissii Small ex Kearney, Sporobolus flexuosus (Vasey) Rydb., Sporobolus floridanus Chapm., Sporobolus giganteus Nash, Sporobolus heterolepis (A.Gray) A.Gray, Sporobolus interruptus Vasey, Sporobolus junceus (P.Beauv.) Kunth, Sporobolus nealleyi Vasey, Sporobolus neglectus Nash, Sporobolus pinetorum Weakley & P.M.Peterson, Sporobolus pyramidatus (Lam.) Hitchc., Sporobolus silveanus Swallen, Sporobolus teretifolius R.M.Harper, Sporobolus texanus Vasey, Sporobolus tharpii Hitchc., Sporobolus vaginiflorus (Torr. ex A.Gray) Alph.Wood, Sporobolus virginicus (L.) Kunth, Stachydeoma graveolens (Chapm. ex A.Gray) Small, Stachys alabamica B.R.Keener & L.J.Davenp., Stachys albens A.Gray, Stachys aspera Michx., Stachys bigelovii A.Gray, Stachys caroliniana J.B.Nelson & D.A.Rayner, Stachys clingmanii Small, Stachys L., Stachys eplingii J.B.Nelson, Stachys hyssopifolia Michx., Stachys iltisii J.B.Nelson, Stachys latidens Small, Stachys matthewsii G.P.Fleming, J.B.Nelson & J.F.Towns., Stachys mexicana Benth., Stachys nelsonii B.R.Keener & L.J.Davenp., Stachys nuttallii Shuttlew. ex Benth., Stachys palustris L., Stachys pilosa Nutt., Stachys rothrockii A.Gray, Stachys tenuifolia Willd., Stahlia monosperma (Tul.) Urb., Stanfordia californica S.Watson, Stanleya albescens M.E.Jones, Stanleya confertiflora (B.L.Rob.) T.J.Howell, Stanleya tomentosa Parry, Stanleya viridiflora Nutt., Staphylea trifolia L., Stebbinsoseris decipiens (K.L.Chambers) K.L.Chambers, Stegonia hyalinotrichum Zander, 1993, Stegonia latifolia Venturi ex Brotherus, 1923, Steinchisma hians (Elliott) Nash, Stellaria alaskana Hultén, Stellaria alsine Grimm, Stellaria americana (Porter ex B.L.Rob.) Standl., Stellaria borealis Bigelow, Stellaria calycantha (Ledeb.) Bong., Stellaria corei Shinners, Stellaria crassifolia Ehrh., Stellaria crispa Cham. & Schltdl., Stellaria dicranoides (Cham. & Schltdl.) Fenzl, Stellaria fontinalis (Short & Peter) B.L.Rob., Stellaria humifusa Rottb., Stellaria irrigua Bunge, Stellaria littoralis Torr., Stellaria longifolia (Regel) Muhl. ex Willd., Stellaria longipes Goldie, Stellaria nitens Nutt., Stellaria obtusa Engelm., Stellaria oxyphylla B.L.Rob., Stellaria porsildii C.C.Chinnappa, Stellaria prostrata Baldwin, Stellaria pubera Michx., Stellaria ruscifolia Pall. ex Schltdl., Stellaria umbellata Turcz., Stemodia durantifolia (L.) Sw., Stenanthium gramineum (Ker Gawl.) Morong, Stenogonum salsuginosum Nutt., Stenogyne angustifolia A.Gray, Stenogyne bifida Hillebr., Stenogyne calaminthoides A.Gray, Stenogyne calycosa Sherff, Stenogyne campanulata Weller & Sakai, Stenogyne cranwelliae Sherff, Stenogyne kaalae Wawra, Stenogyne kamehamehae Wawra, Stenogyne kanehoana O.Deg. & Sherff, Stenogyne kealiae Wawra, Stenogyne macrantha Benth., Stenogyne microphylla Benth., Stenogyne purpurea H.Mann, Stenogyne rotundifolia A.Gray, Stenogyne rugosa Benth., Stenogyne scrophularioides Benth., Stenogyne sessilis Benth., Stenosiphon linifolius (Nutt. ex E.James) Heynh., Stenotaphrum secundatum (Walter) Kuntze, Stephanomeria blairii Munz & I.M.Johnst., Stephanomeria diegensis Gottlieb, Stephanomeria elata Nutt., Stephanomeria exigua Nutt., Stephanomeria fluminea Gottlieb, Stephanomeria malheurensis Gottlieb, Stephanomeria minor Nutt., Stephanomeria occultata Wellard & J.W.Baker, Stephanomeria parryi A.Gray, Stephanomeria pauciflora (Torr.) A.Nelson, Stephanomeria runcinata Nutt., Stephanomeria schottii (A.Gray) A.Gray, 1876, Stephanomeria spinosa (Nutt.) Tomb, Stephanomeria tenuifolia var. uintaensis Goodrich & S.L.Welsh, Stephanomeria thurberi A.Gray, Stephanomeria wrightii A.Gray, Stevia lemmonii A.Gray, Stevia micrantha Lag., Stevia plummerae A.Gray, Stewartia malacodendron L., Stewartia ovata (Cav.) Weath., Sticherus owhyensis (Hook.) Ching, Stictocardia tiliifolia (Desr.) Hallier fil., Stillingia aquatica Chapm., Stillingia linearifolia S.Watson, Stillingia spinulosa Torr., Stillingia sylvatica L., Stipulicida setacea Michx., Stokesia laevis (Hill) Greene, Straminergon stramineum Hedenäs, 1993, Streblus pendulinus (Endl.) F.Muell., Streptanthella longirostris (S.Watson) Rydb., Streptanthus barbatus S.Watson, Streptanthus barbiger Greene, Streptanthus batrachopus J.L.Morrison, Streptanthus bernardinus (Greene) Parish, Streptanthus brachiatus F.W.Hoffm., Streptanthus bracteatus A.Gray, Streptanthus callistus J.L.Morrison, Streptanthus campestris S.Watson, Streptanthus carinatus C.Wright, Streptanthus cordatus Nutt., Streptanthus cutleri Cory, Streptanthus fenestratus (Greene) J.T.Howell, Streptanthus glandulosus Hook., Streptanthus gracilis Eastw., Streptanthus hesperidis Jeps., Streptanthus hispidus A.Gray, Streptanthus howellii S.Watson, Streptanthus hyacinthoides Hook., Streptanthus insignis Jeps., Streptanthus Nutt., Streptanthus maculatus Nutt., Streptanthus Nutt., Streptanthus morrisonii F.W.Hoffm., Streptanthus oliganthus Rollins, Streptanthus platycarpus A.Gray, Streptanthus sparsiflorus Rollins, Streptanthus squamiformis Goodman, Streptanthus vernalis R.O'Donnell & R.Dolan, Streptopus amplexifolius (L.) DC., Streptopus lanceolatus (Aiton) Reveal, Streptopus streptopoides (Ledeb.) Frye & Rigg, Stroganowia tiehmii Rollins, Strongylodon ruber Vogel, Strophostyles helvola (L.) Elliott, Strophostyles leiosperma (Torr. & A.Gray) Piper, Strophostyles umbellata (Muhl. ex Willd.) Britton, Strumpfia maritima Jacq., Stuckenia filiformis (Pers.) Börner, Stuckenia pectinata (L.) Börner, Stuckenia striata (Ruiz & Pav.) Holub, Stuckenia vaginata (Turcz.) Holub, Stylisma abdita Myint, Stylisma aquatica (Walter) Raf., Stylisma humistrata (Walter) Chapm., Stylisma pickeringii (Torr. ex M.A.Curtis) A.Gray, Stylisma villosa (Nash) House, Stylocline citroleum Morefield, Stylocline intertexta Morefield, Stylocline masonii Morefield, Stylocline micropoides A.Gray, Stylocline psilocarphoides M.Peck, Stylocline sonorensis Wiggins, Stylodon carneus (Medik.) Moldenke, Stylophorum diphyllum (Michx.) Nutt., Stylosanthes biflora (L.) Britton, Sterns & Poggenb., Stylosanthes calcicola Small, Styphelia tameiameiae (Cham.) F.Muell., Styrax americanus Lam., Styrax grandifolium Aiton, Styrax platanifolius Engelm. ex Torr., Styrax portoricensis Krug & Urb., Suaeda calceoliformis (Hook.) Moq., Suaeda californica S.Watson, Suaeda esteroa Ferren & S.A.Whitmore, Suaeda linearis (Elliott) Moq., Suaeda maritima (L.) Dumort., Suaeda moquinii A.Nelson, Suaeda rolandii Bassett & Crompton, Suaeda tampicensis (Standl.) Standl., Subularia aquatica L., Suckleya suckleyana (Torr.) Rydb., Suksdorfia ranunculifolia (Hook.) Engl., Suksdorfia violacea A.Gray, Sullivantia hapemanii (Coult. & Fisher) Coult., Sullivantia hapemanii var. hapemanii, Sullivantia hapemanii var. purpusii (Brandegee) Soltis, Sullivantia oregana S.Watson, Sullivantia sullivantii (Torr. & A.Gray) Britton, Swallenia alexandrae (Swallen) Soderstr. & H.F.Decker, Swertia perennis L., Swietenia mahagoni (L.) Jacq., Symphoricarpos albus (L.) C.Koch, Symphoricarpos longiflorus A.Gray, Symphoricarpos occidentalis Hook., Symphoricarpos orbiculatus Moench, Symphoricarpos oreophilus A.Gray, Symphyotrichum anomalum (Engelm.) G.L.Nesom, Symphyotrichum anticostense (Fernald) G.L.Nesom, Symphyotrichum ascendens (Lindl.) G.L.Nesom, Symphyotrichum boreale (Torr. & A.Gray) Á.Löve & D.Löve, Symphyotrichum bracei (Britton ex Small) G.L.Nesom, Symphyotrichum campestre (Nutt.) G.L.Nesom, Symphyotrichum ciliatum (Ledeb.) G.L.Nesom, Symphyotrichum ciliolatum (Lindl.) Á.Löve & D.Löve, Symphyotrichum concolor (L.) G.L.Nesom, Symphyotrichum cordifolium (L.) G.L.Nesom, Symphyotrichum cusickii (A.Gray) G.L.Nesom, Symphyotrichum defoliatum (Parish) G.L.Nesom, Symphyotrichum depauperatum (Fernald) G.L.Nesom, Symphyotrichum divaricatum (Nutt.) G.L.Nesom, Symphyotrichum drummondii (Lindl.) G.L.Nesom, Symphyotrichum dumosum (L.) G.L.Nesom, Symphyotrichum eatonii (A.Gray) G.L.Nesom, Symphyotrichum elliottii (Torr. & A.Gray) G.L.Nesom, Symphyotrichum ericoides (L.) G.L.Nesom, Symphyotrichum Nees, Symphyotrichum expansum (Poepp. ex Spreng.) G.L.Nesom, Symphyotrichum falcatum (Lindl.) G.L.Nesom, Symphyotrichum fendleri (A.Gray) G.L.Nesom, Symphyotrichum foliaceum (DC.) G.L.Nesom, Symphyotrichum fontinale (Alexander) G.L.Nesom, Symphyotrichum frondosum (Nutt.) G.L.Nesom, Symphyotrichum georgianum (Alexander) G.L.Nesom, Symphyotrichum grandiflorum (L.) G.L.Nesom, Symphyotrichum greatae (Parish) G.L.Nesom, Symphyotrichum hallii (A.Gray) G.L.Nesom, Symphyotrichum hendersonii (Fernald) G.L.Nesom, Symphyotrichum jessicae (R.Piper) G.L.Nesom, Symphyotrichum laeve (L.) Á.Löve & D.Löve, Symphyotrichum lanceolatum (Willd.) G.L.Nesom, Symphyotrichum lateriflorum (L.) Á.Löve & D.Löve, Symphyotrichum laurentianum (Fernald) G.L.Nesom, Symphyotrichum lentum (Greene) G.L.Nesom, Symphyotrichum lowrieanum (Porter) G.L.Nesom, Symphyotrichum molle (Rydb.) G.L.Nesom, Symphyotrichum novae-angliae (L.) G.L.Nesom, Symphyotrichum novi-belgii (L.) G.L.Nesom, Symphyotrichum oblongifolium (Nutt.) G.L.Nesom, Symphyotrichum ontarionis (Wiegand) G.L.Nesom, Symphyotrichum oolentangiense (Riddell) G.L.Nesom, Symphyotrichum parviceps (E.S.Burgess) G.L.Nesom, Symphyotrichum phlogifolium (Muhl. ex Willd.) G.L.Nesom, Symphyotrichum plumosum (Small) Semple, Symphyotrichum porteri (A.Gray) G.L.Nesom, Symphyotrichum potosinum (A.Gray) G.L.Nesom, Symphyotrichum praealtum (Poir.) G.L.Nesom, Symphyotrichum pratense (Raf.) G.L.Nesom, Symphyotrichum prenanthoides (Muhl. ex Willd.) G.L.Nesom, Symphyotrichum priceae (Britton) G.L.Nesom, Symphyotrichum puniceum (L.) Á.Löve & D.Löve, Symphyotrichum racemosum (Elliott) G.L.Nesom, Symphyotrichum rhiannon Weakley & Govus, Symphyotrichum robynsianum (J.Rousseau) Brouillet & Labrecque, Symphyotrichum sericeum (Vent.) G.L.Nesom, Symphyotrichum shortii (Lindl.) G.L.Nesom, Symphyotrichum simmondsii (Small) G.L.Nesom, Symphyotrichum subspicatum (Nees) G.L.Nesom, Symphyotrichum subulatum (Michx.) G.L.Nesom, Symphyotrichum tenuifolium (L.) G.L.Nesom, Symphyotrichum tradescantii (L.) G.L.Nesom, Symphyotrichum turbinellum (Lindl.) G.L.Nesom, Symphyotrichum undulatum (L.) G.L.Nesom, Symphyotrichum urophyllum (DC.) G.L.Nesom, Symphyotrichum welshii (Cronquist) G.L.Nesom, Symphyotrichum ×schistosum (E.S.Steele) G.L.Nesom, Symphyotrichum yukonense (Cronquist) G.L.Nesom, Symplocarpus foetidus (L.) Salisb. ex W.P.C.Barton, Symplocos lanata Krug & Urb., Symplocos tinctoria (L.) L'Hér., Synandra hispidula (Michx.) Baill., Syngonanthus flavidulus (Michx.) Ruhland, Synthyris borealis Pennell, Synthyris canbyi Pennell, Synthyris laciniata (Gray) Rydb., Synthyris missurica (Raf.) Pennell, Synthyris pinnatifida S.Watson, Synthyris platycarpa Gail & Pennell, Synthyris ranunculina Pennell, Synthyris schizantha Piper, Syntrichia ammonsiana Ochyra, 1992, Syntrichia bartramii Zander, 1993, Syntrichia cainii Zander, 1993, Syntrichia caninervis Mitten, 1859, Syntrichia fragilis Ochyra, 1992, Syntrichia laevipila Bridel, 1819, Syntrichia latifolia Hübener, 1833, Syntrichia montana Nees, Syntrichia norvegica Weber, 1804, Syntrichia papillosa Juratzka, 1882, Syntrichia papillosissima Loeske, 1910, Syntrichia ruralis Weber & D.Mohr, 1803, Syntrichopappus fremontii A.Gray, Syringodium filiforme Kütz., Syrrhopodon incompletus Schwaegrichen, 1824, Syrrhopodon prolifer Schwaegrichen, 1827, Syrrhopodon texanus Sullivant, 1856, Systenotheca vortriedei (Brandegee) Reveal & Hardham, Syzygiella autumnalis (DC.) K.Feldberg, Váňa, Hentschel & Heinrichs, Syzygiella nipponica (S.Hatt.) K.Feldberg, Váňa, Hentschel & Heinrichs, Syzygium sandwicense (A.Gray) Nied., Taenidia integerrima (L.) Drude, Taenidia montana (Mack.) Cronquist, Takakia ceratophylla (Mitt.) Grolle, Takakia lepidozioides S.Hatt. & Inoue, Talinum calcaricum S.Ware, Talinum calycinum Engelm., Talinum chrysanthum Rose & Standl., Talinum confertiflorum Greene, Talinum gooddingii P.Wilson, Talinum humile Greene, Talinum longipes Wooton & Standl., Talinum marginatum Greene, Talinum mengesii W.Wolf, Talinum parviflorum Nutt., Talinum pulchellum Wooton & Standl., Talinum rugospermum Holz., Talinum spinescens Torr., Talinum teretifolium (Raf.) Pursh, Talinum thompsonii N.D.Atwood & S.L.Welsh, Talinum validulum Greene, Tanacetum bipinnatum (L.) Sch.Bip., Tanacetum camphoratum Less., Taraxacum californicum Munz & I.M.Johnst., Taraxacum carneocoloratum A.Nelson, Taraxacum eriophorum Rydb., Taraxacum lyratum (Ledeb.) DC., Targionia hypophylla L., Tauschia hooveri Mathias & Constance, Tauschia howellii (J.M.Coult. & Rose) J.F.Macbr., Tauschia stricklandii (J.M.Coult. & Rose) Mathias & Constance, Tauschia tenuissima (Geyer ex Hook.) Mathias & Constance, Tauschia texana A.Gray, Taxiphyllum alternans Iwatsuki, 1963, Taxiphyllum cuspidifolium Iwatsuki, 1965, Taxiphyllum deplanatum Fleischer, 1923, Taxiphyllum taxirameum Fleischer, 1923, Taxodium ascendens Brongn., Taxodium distichum (L.) Rich., Taxodium mucronatum Ten., Taxus brevifolia Nutt., Taxus canadensis Marshall, Taxus floridana Nutt. ex Chapm., Tayloria acuminata Hornschuch, 1825, Tayloria froelichiana Mitten ex Brotherus, 1903, Tayloria hornschuchii Brotherus, 1903, Tayloria lingulata Lindberg, 1879, Tayloria serrata Bruch & W.P.Schimper, 1844, Tayloria splachnoides W.J.Hooker, 1816, Tecoma stans (L.) Juss. ex Kunth, Tectaria coriandrifolia (Sw.) Underw., Tectaria estremeriana Proctor & A.M.Evans, Tectaria fimbriata (Willd.) Proctor & Lourteig, Tectaria gaudichaudii (Mett.) Maxon, Tectaria heracleifolia (Willd.) Underw., Telesonix heucheriformis Rydb., Telesonix jamesii (Torr.) Raf., Tellima grandiflora (Pursh) Douglas ex Lindl., Tephroseris lindstroemii (Ostenf.) Á.Löve & D.Löve, Tephroseris yukonensis (A.E.Porsild) Holub, Tephrosia angustissima Shuttlew. ex Chapm., Tephrosia chrysophylla Pursh, Tephrosia florida (F.Dietr.) C.E.Wood, Tephrosia hispidula (Michx.) Pers., Tephrosia mohrii (Rydb.) R.K.Godfrey, Tephrosia rugelii Shuttlew. ex B.L.Rob., Tephrosia spicata (Walter) Torr. & A.Gray, Tephrosia tenella A.Gray, Tephrosia thurberi (Rydb.) C.E.Wood, Tephrosia virginiana (L.) Pers., Terminalia molinetii Maza, Ternstroemia heptasepala Krug & Urb., Ternstroemia luquillensis Krug & Urb., Ternstroemia stahlii Krug & Urb., Ternstroemia subsessilis (Britton) Kobuski, Terraria haydenii T.J.Hildebr. & Al-Shehbaz, Tetracoccus dioicus Parry, Tetracoccus fasciculatus (S.Watson) Croizat, Tetracoccus ilicifolius Coville & Gilman, Tetradymia argyraea Munz & Roos, Tetradymia axillaris A.Nelson, Tetradymia filifolia Greene, Tetradymia nuttallii Torr. & A.Gray, Tetradymia spinosa Hook. & Arn., Tetradymia stenolepis Greene, Tetradymia tetrameres (S.F.Blake) Strother, Tetragonotheca helianthoides L., Tetragonotheca ludoviciana (Torr. & A.Gray) A.Gray, Tetralophozia filiformis (Steph.) Urmi, T