Index / Search / Conyza canadensis var. canadensis
§1 Plant — variety · Asteraceae
Conyza canadensis (L.) Cronquist var. canadensis
vernacular Canadian horseweed
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Annual, Biennial
- Group
- Dicot
- Family
- Asteraceae Bercht. & J. Presl
- Genus
- Conyza
Native status, by region
- AK Alaska Introduced
- CAN Canada Native
- HI Hawaii Introduced
- L48 Lower 48 States Native
- SPM St. Pierre & Miquelon Native
§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.
§4Montana distribution
Recorded in 24 of 56 Montana counties.
- Big Horn 30003
- Carbon 30009
- Cascade 30013
- Chouteau 30015
- Dawson 30021
- Flathead 30029
- Gallatin 30031
- Garfield 30033
- Glacier 30035
- Golden Valley 30037
- Lake 30047
- Lincoln 30053
- Madison 30057
- McCone 30055
- Mineral 30061
- Missoula 30063
- Park 30067
- Petroleum 30069
- Pondera 30073
- Powder River 30075
- Powell 30077
- Sanders 30089
- Teton 30099
- Toole 30101
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/COCAC3 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3146791 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-25
fetched 2026-05-25T16:28:53Z