Polygonum pensylvanicum var. durum Stanford

, Rhodora 27: 178, 180 (1925). BHL
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:206332-2
Publication
Rhodora; Journal of the New England Botanical Club. Cambridge, MA
Collation
27: 178, 180
Family as entered in IPNI
Polygonaceae

Links

Nomenclatural link
Persicaria pensylvanica var. dura (Stanford) C.F.Reed, Phytologia 50: 461 (1982).