Silphium integrifolium var. asperrimum (Hook.) B.L.Turner

, Sida, Bot. Misc. 24: 6 (2003) (2003).
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IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:70028928-1
Species Name
Silphium integrifolium Michx., Fl. Bor.-Amer. (Michaux) 2: 146 (1803).
Publication
Sida, Botanical Miscellany. Dallas, TX
Collation
24: 6 (2003)
Family as entered in IPNI
Asteraceae

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Basionym
Silphium asperrimum Hook., Companion Bot. Mag. 1: 99 (1835).
Duplicate citation of
Silphium integrifolium var. asperrimum (Hook.) B.L.Turner, Sida, Bot. Misc. 24: 6 (2003).