Xanthium oligacanthum Piper

, Contr. U.S. Natl. Herb. 11: 551 (1906). BHL
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:269236-2
Publication
Contributions from the United States National Herbarium. Smithsonian Institution
Collation
11: 551
Family as entered in IPNI
Asteraceae

Type Information

Distribution Of Types
Washington (Northwestern U.S.A., Northern America)

Links

Nomenclatural link
Xanthium californicum var. oligacanthum Widder, Repert. Spec. Nov. Regni Veg. Beih. 20: 113 (1923).
Same citation as
Xanthium oligacanthum Piper, Contr. U.S. Natl. Herb. 11: 551 (1906).