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World Checklist of Selected Plant Families (WCSP)

Corylus americana f. calyculata (Dippel) Schelle in L.Beissner, E.Schelle & H.Zabel, Handb. Laubholzben.: 50 (1903).
Original Compiler:	R.Govaerts
This name is not Accepted by:	Govaerts, R. (2019). World Checklist of Vascular Plants (WCVP Database). The Board of Trustees of the Royal Botanic Gardens, Kew. [as Corylus americana]

Corylus americana f. calyculata (Dippel) Schelle in L.Beissner, E.Schelle & H.Zabel, Handb. Laubholzben.: 50 (1903).