Geographic location
Rugosa
Valentina
52
Schott
45
Nutt
44
Webb
41
Greene
40
Degen
31
Ortega
31
Reut
31
Molina
30
Laxa
29
Blanco
27
Ruta
27
Malus
26
Nivea
26
Italica
25
Miers
25
Inga
24
Recta
24
Elliott
23
Ribes
23
Fries
22
Rhamnus
22
Musa
21
Rapa
21
Sav’
20
Bory
19
Dyer
19
Beck
18
Padus
18
Parodi
18
Traub
18
Garm
17
Giganteus
17
Muñoz
17
Nicholson
17
Schumann
17
Heywood
16
Kali
16
Sheppard
16
Wiegand
16
Clayton
15
Dewey
15
Forbes
14
Nash
14
Wilbur
14
Gand
13
Heiser
13
Khaya
13
Lowry
13
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