Xanthium pungens var. globuliforme C.Shull

, Bot. Gaz. 83: 385 (1927). BHL
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:269242-2
Publication
Botanical Gazette; Paper of Botanical Notes. Crawfordsville, IN, Chicago, IL
Collation
83: 385
Family as entered in IPNI
Asteraceae

Links

Nomenclatural link
Xanthium canadense var. globuliforme Crevecoeur ex C.Shull, Amer. J. Bot. 4: 42, figs. 1-3 (1917).