Flora of North America species comparison

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Ageratina altissima var. roanensis
Photo is of parent taxon

Appalachian white snakeroot, white snakeroot
Phyllaries

4–7 mm, apices cuspidate to acuminate.

Ageratina altissima var. roanensis
Phenology Flowering Jul–Oct.
Habitat Moist forests, northern red oak, oak-chestnut, cove forests
Elevation 700–1500 m (2300–4900 ft)
Distribution
from FNA
AL; GA; KY; NC; SC; TN; VA; WV
[BONAP county map]
Source FNA vol. 21, p. 550.
Parent taxa Asteraceae > tribe Eupatorieae > Ageratina > Ageratina altissima
Sibling taxa
A. altissima var. altissima
Synonyms Eupatorium roanense, Eupatorium rugosum var. roanense
Name authority (Small) Clewell & Wooten: Brittonia 23: 138. (1971)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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