| Source: |
Govaerts, R. & Frodin, D. G. 1998: World Checklist and Bibliography of Fagales. RBG Kew. [IOPI preferred view]
|
| Name: |
Betula alba f. friesii Regel |
| Nomencl. ref. |
in A.P.de Candolle, Prodr. 16(2): 167 (1968) |
| Rank: |
Forma |
| Status: |
SYNONYM |
|
Synonym of:
|
Betula pubescens Betula pubescens Ehrh. var. pubescens var. pubescens |
| Taxon Notes: |
|
|
|
| SourceStatusDesignation: |
S |
|
