Code
Botanical Name
English Common Name
bemas
Betula mandshurica (Regel) Nakai var. szechuanica (Schneid.) Rehd.
bemi
Betula minor (Tuckerman) Fern.
bemi2
Betula michauxii Sarg.
bemu2
Betula murrayana Barnes & Dancik
benae
Betula nana L. ssp. exilis (Sukatschev) Hultén
benag
Betula nana L. var. glandulifera (Regel) Boivin
benar
Betula nana L. var. renifolia (Fern.) Boivin
benas
Betula nana L. var. sibirica Ledeb.
bene4
Betula neoalaskana Sarg.
benek
Betula neoalaskana Sarg. var. kenaica (W.H. Evans) Boivin
beoc2
Betula occidentalis Hook.
beocf2
Betula occidentalis Hook. var. fecunda Fern.
beoci
Betula occidentalis Hook. var. inopina (Jepson) C.L. Hitchc.
bepa
Betula papyrifera Marsh.
bepac
Betula papyrifera Marsh. var. commutata (Regel) Fern.
bepac2
Betula papyrifera Marsh. var. cordifolia (Regel) Fern.
bepae
Betula papyrifera Marsh. var. elobata (Fern.) Sarg.
bepah
Betula papyrifera Marsh. ssp. humilis (Regel) Hultén
bepah2
Betula papyrifera Marsh. var. humilis (Regel) Fern. & Raup
bepak
Betula papyrifera Marsh. var. kenaica (W.H. Evans) A. Henry
bepam
Betula papyrifera Marsh. var. minor (Tuckerman) S. Wats. & Coult.
bepam2
Betula papyrifera Marsh. var. macrostachya Fern.
bepan
Betula papyrifera Marsh. var. neoalaskana (Sarg.) Raup
bepao
Betula papyrifera Marsh. ssp. occidentalis (Hook.) Hultén
bepao2
Betula papyrifera Marsh. var. occidentalis (Hook.) Sarg.
bepap
Betula papyrifera Marsh. var. papyrifera
bepap2
Betula papyrifera Marsh. var. pensilis Fern.
bepas
Betula papyrifera Marsh. var. subcordata (Rydb.) Sarg.
bepe3
Betula pendula Roth
bepi3
Betula piperi Britt.
bepl2
Betula platyphylla Sukatschev
beplp
Betula platyphylla Sukatschev var. platyphylla
bepls
Betula platyphylla Sukatschev var. szechuanica Schneid.
bepo
Betula populifolia Marsh.
bepu5
Betula pubescens Ehrh.
bepub
Betula pubescens Ehrh. ssp. borealis (Spach) A.& D. Löve