Known distribution of

• Main Author: Rank Gs
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Subjects: Newfoundland; Alaska
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.214.2099; http://www1.dnr.wa.gov/nhp/refdesk/fguide/pdf/lyde.pdf

Horizontal stems (rhizomes) subterranean. Upright shoots treelike, many branched, branchlets numerous and strongly differentiated, annual bud constrictions absent, leaves spreading, pale green below lateral branchlets, prickly needlelike, 1/8 X <1/16 inch. Lateral branchlets round in cross section, to 1/3 inch in diameter, annual bud constrictions inconspicuous, leaves spreading to ascending, pale green, in 6 ranks, 2 upperside, 2 lateral, and 2 underside, equal in size, linear 1/16 to inch X <1/16 inch, margins entire, apex acuminate, lacking hair tip. Strobili sessile, 1-7 on tip of upright shoot, to 2 inches. Sporophylls 1/8 X 1/8 inch, apex short, acute, abruptly narrowing. Identification Tips: L. annotinum and L. inundatum have mostly unbranched stems and leafy, surface growing runners. Phenology: Produces spores in June and July. Range: Occurs from Alaska to Newfoundland, south to Washington