Ageratina roanensis (Small) E.E. Lamont. Common name: Appalachian White Snakeroot, Appalachian Milk-poison. Phenology: Aug-Oct. Habitat: Moist forests, often abundant at high elevations. Distribution: Endemic to moderate to high elevations of the Southern Appalachians, from w. VA south to w. SC, n. GA, e. TN, e. KY, and possibly ne. AL.
Origin/Endemic status: Endemic
Synonymy ⓘ: = K4, Lamont (2018); = Ageratina altissima (L.) R.M.King & H.Rob. var. roanensis (Small) Clewell & Wooten — FNA21, Tn, Va, Clewell & Wooten (1971); = Eupatorium roanensis Small — S; = Eupatorium rugosum Houtt. var. roanense (Small) Fernald — C, F, SE1; < Eupatorium rugosum Houtt. — G, RAB, W. Basionym: Eupatorium roanense Small 1933
Links to other floras: = Ageratina altissima var. roanensis - FNA21
Show parent genus | Show parent in key(s)
Heliophily ⓘ: 5
Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.
© Bruce Sorrie | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Alan Weakley source | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Alan M. Cressler | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Jim Fowler | Original Image ⭷Feedback
See something wrong or missing on about Ageratina roanensis? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.) We greatly appreciate feedback, and will include updates from you in our next webapp update, which can take a few months. If a species is not keyed, that's because keying is ongoing. Please don't send us feedback about unkeyed species.
Horticultural Information
No horticultural data found for this taxon.