| Betula utilis var. utilis
Unknown
Rank:Variety Family: Betulaceae
|  |
| Betula verrucosa var. arbuscula
(Fr.) H.J.P.Winkl.
Pflanzenr.
Rank:Variety Family: Betulaceae
| |
| Betula verrucosa var. microphylla
(Wallr.) Fiek
Fl. Schlesien
Rank:Variety Family: Betulaceae
| |
| Betula verrucosa var. obscura
(Kotula ex Fiek) Gürke
Pl. Eur.
Rank:Variety Family: Betulaceae
| |
| Betula pubescens var. tiliifolia
Laest.
Bot. Not.
Rank:Variety Family: Betulaceae
| |
| Betula verrucosa var. oycowiensis
(Besser) H.J.P.Winkl.
Pflanzenr.
Rank:Variety Family: Betulaceae
| |
| Betula verrucosa var. saxatilis
Lindq.
Svensk Bot. Tidskr.
Rank:Variety Family: Betulaceae
| |
| Betula pubescens var. silvestris
Laest.
Bot. Not.
Rank:Variety Family: Betulaceae
| |
| Betula pubescens var. subaequalis
Laest.
Bot. Not.
Rank:Variety Family: Betulaceae
| |
| Betula pubescens var. subalpina
Laest.
Bot. Not.
Rank:Variety Family: Betulaceae
| |
| Carpinus turczaninowii var. ovalifolia
H.J.P.Winkl.
Bot. Jahrb. Syst.
Rank:Variety Family: Betulaceae
| |
| Ostrya virginiana var. guatemalensis
(H.J.P.Winkl.) J.F.Macbr.
Publ. Field Mus. Nat. Hist., Bot. Ser.
Rank:Variety Family: Betulaceae
| |
| Alnaster crispus var. maximowiczii
(Callier) Murai
Bull. Gov. Forest Exp. Sta.
Rank:Variety Family: Betulaceae
| |
| Carpinus laxiflora var. longispica
Uyeki
Suigen Gakuho
Rank:Variety Family: Betulaceae
| |
| Carpinus laxiflora var. macrothyrsa
Koidz.
Acta Phytotax Geobot.
Rank:Variety Family: Betulaceae
| |
| Betula platyphylla var. rockii
(Rehder) Rehder
J. Arnold Arbor.
Rank:Variety Family: Betulaceae
| |
| Betula verrucosa var. platyphylla
(Sukaczev) Lindq.
Acta Horti Gothob.
Rank:Variety Family: Betulaceae
| |
| Carpinus japonica var. caudata
H.J.P.Winkl.
Bot. Jahrb. Syst.
Rank:Variety Family: Betulaceae
| |
| Carpinus marlipoensis var. angustifolia
Hu
Acta Phytotax. Sin.
Rank:Variety Family: Betulaceae
| |
| Carpinus poilanei var. chevalieri
A.Camus
Bull. Soc. Bot. France
Rank:Variety Family: Betulaceae
| |
| Carpinus polyneura var. wilsoniana
H.J.P.Winkl.
Bot. Jahrb. Syst.
Rank:Variety Family: Betulaceae
| |
| Carpinus pubescens var. bigiehensis
Hu
Acta Phytotax. Sin.
Rank:Variety Family: Betulaceae
| |
| Carpinus pubescens var. kweitingensis
(Hu) Hu
Acta Phytotax. Sin.
Rank:Variety Family: Betulaceae
| |
| Carpinus pubescens var. seemeniana
(Diels) Hu
Acta Phytotax. Sin.
Rank:Variety Family: Betulaceae
| |
