Betula × piperi Britton, pro spec. & C.L.Hitchc.

, in Vasc. ;Pl. Pacific Northw., Pt. 2 (Univ. Wash. Publ. Biol. xvii.) 77 (1964).
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External links to taxonomic opinions:
WFO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:107855-1
Publication
in Vasc.
Collation
;Pl. Pacific Northw., Pt. 2 (Univ. Wash. Publ. Biol. xvii.) 77 (1964).
Family as entered in IPNI
Betulaceae

Original Data

Remarks
Amer. bor. Illus