Dracocephalum nuttallii Britton

, Ill. Fl. N. U.S. (Britton & Brown), ed. 2. ed. 2, 3: 117 (1913).
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:298582-2
Publication
An Illustrated Flora of the Northern United States
Collation
ed. 2, 3: 117
Family as entered in IPNI
Lamiaceae

Nomenclatural Notes

author = Britton & Brown

Links

Nomenclatural link
Physostegia nuttallii (Britton) Fassett, Rhodora 41: 525 (1939).
Same citation as
Dracocephalum nuttallii Britton, Ill. Fl. N. U.S. (Britton & Brown), ed. 2. 3: 117 (1913).