Nabalus altissimus (Linnaeus) Hooker. Tall Rattlesnake-root. Phen: Aug-Nov. Hab: Forests. Dist: NL (Newfoundland) west to MI, south to GA, LA, and AR.
Origin/Endemic status: Native
Taxonomy Comments: The variation of pappus color responsible for the sometime recognition of two varieties (see synonymy) needs additional study.
Synonymy: = K3, NE, NY, S, Tn, Va; = Prenanthes altissima L. – Ar, FNA19, G, K1, Mi, Oh3, Pa, RAB, Tat, W, WV, Fusiak & Schilling (1984), Johnson (1980); > Nabalus altissimus (L.) Hook. var. altissimus – Il; > Nabalus altissimus (L.) Hook. var. cinnamomea (Fernald) Mohlenbr. – Il; > Prenanthes altissima L. var. altissima – C, F, SE1; > Prenanthes altissima L. var. cinnamomea Fernald – C, F, SE1; > Prenanthes altissima L. var. hispidula Fernald
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: UPL
- Eastern Mountains and Piedmont: FACU
- Great Plains: UPL
- Midwest: FACU
- Northcentral & Northeast: FACU
Heliophily: 4
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