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Index / Search / Ageratina altissima var. roanensis

§1 Plant

Ageratina altissima (L.) R.M. King & H. Rob. var. roanensis (Small) Clewell & Wooten

vernacular white snakeroot — variety · Asteraceae

USDA
AGALR
GBIF
11041967 syn.
Rank
variety
white snakeroot (Ageratina altissima var. roanensis)
Platephotograph · Dan MullenCC BY-NC-ND source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Forb/herb
Duration
Perennial
Group
Dicot
Family
Asteraceae Bercht. & J. Presl
Genus
Ageratina
§2a

Native status, by region

  • L48 Lower 48 States Native
§2b

County-level range

· 5 counties across 2 states/territories
Legend Native · 5 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation

No cultivation specs.

USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.

§4Counties, by state

Recorded in 5 counties across 2 states/territories.

Kentucky view state ↗ 2 N ▾
Virginia view state ↗ 3 N ▾

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/AGALR ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/11041967 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T05:45:41Z