| Alnus crispa subsp. maximoviczii
(Callier) Hultén
Status:Unchecked Rank:Subspecies Family: Betulaceae
|  |
| Betula fruticosa subsp. montana
Shemberg
Fl. Sibir. (Salicac.-Amaranthac.) 5: 67 (1992).
Status:Unchecked Rank:Subspecies Family: Betulaceae
| |
| Betula procurva subsp. procurva
Unknown
Rank:Subspecies Family: Betulaceae
| |
| Betula tianschanica subsp. margusarica
(V.N.Vassil.) Ovcz.
Fl. Tadzhiksk. S.S.R. 3: 139 (1968)
Rank:Subspecies Family: Betulaceae
| |
| Betula saposhnikovii subsp. murgabica
(V.N.Vassil.) Ovcz. & Czukav.
Fl. Tadzhiksk. S.S.R. 3: 140 (1968)
Rank:Subspecies Family: Betulaceae
| |
| Betula saposhnikovii subsp. jarmolenkoana
(Golosk.) Ovcz. & Czukav.
Fl. Tadzhiksk. S.S.R. 3: 140 (1968)
Rank:Subspecies Family: Betulaceae
| |
| Betula alba subsp. soongorica
Regel
Bull. Soc. Imp. Naturalistes Moscou 41(I): 422 (1868)
Rank:Subspecies Family: Betulaceae
| |
| Betula procurva subsp. sogdiana
Ovcz.
Fl. Tadzhiksk. S.S.R. 3: 132 (1968)
Rank:Subspecies Family: Betulaceae
| |
| Betula procurva subsp. schugnanica
(B.Fedtsch.) Ovcz.
Fl. Tadzhiksk. S.S.R. 3: 132 (1968)
Rank:Subspecies Family: Betulaceae
| |
| Betula procurva subsp. lipskyi
(V.N.Vassil.) Ovcz.
Fl. Tadzhiksk. S.S.R. 3: 130 (1968)
Rank:Subspecies Family: Betulaceae
| |
| Betula occidentalis subsp. fecunda
(Fernald) A.E.Murray
Kalmia 12: 18 (1982)
Rank:Subspecies Family: Betulaceae
| |
| Betula pumila subsp. glandulifera
(Regel) Á.Löve & D.Löve
Taxon 31: 121 (1982)
Rank:Subspecies Family: Betulaceae
| |
| Betula pendula subsp. kamtschatica
(Regel) Shemberg
Bot. Zhurn. (Moscow & Leningrad) 70: 1064 (1985)
Rank:Subspecies Family: Betulaceae
| |
| Betula papyrifera subsp. neoalaskana
(Sarg.) A.E.Murray
Kalmia 13: 4 (1983)
Rank:Subspecies Family: Betulaceae
| |
| Betula papyrifera subsp. humilis
(Regel) A.E.Murray
Kalmia 12: 18 (1982)
Rank:Subspecies Family: Betulaceae
| |
| Betula platyphylla subsp. platyphylla
Unknown
Rank:Subspecies Family: Betulaceae
| |
| Betula platyphylla subsp. minutifolia
(Kozhevn.) Kozhevn.
Novosti Sist. Vyssh. Rast. 18: 236 (1981)
Rank:Subspecies Family: Betulaceae
| |
| Betula platyphylla subsp. kamtschatica
(Regel) Vorosch.
Florist. Issl. Razn. Raionakh SSSR : 162 (1985)
Rank:Subspecies Family: Betulaceae
| |
| Betula alba subsp. tauschii
Regel
Rank:Subspecies Family: Betulaceae
| |
| Betula papyrifera subsp. humilis
(Regel) Hultén
Fl. Alaska 367 1968
Rank:Subspecies Family: Betulaceae
| |
| Betula cajanderi subsp. minutifolia
Kozhevn.
Bot. Zhurn. (Moscow & Leningrad) 59: 504 (1974)
Rank:Subspecies Family: Betulaceae
| |
| Betula alba subsp. mandshurica
Regel
Bull. Soc. Imp. Naturalistes Moscou 38(II): 399 (1865)
Rank:Subspecies Family: Betulaceae
| |
| Betula platyphylla subsp. mandshurica
(Regel) Kitag.
Lin. Fl. Manshur. : 165 (1939)
Rank:Subspecies Family: Betulaceae
| |
| Alnus spuria subsp. tauschiana
(Callier) H.J.P.Winkl.
Pflanzenr. , IV, 61: 129 (1904)
Rank:Subspecies Family: Betulaceae
| |
