Index / Search / Rudbeckia grandiflora

§1 Plant

Rudbeckia grandiflora (D. Don) J.F. Gmel. ex DC.

vernacular rough coneflower — species · Asteraceae


USDA
RUGR
GBIF
3114251
Rank
species
rough coneflower (Rudbeckia grandiflora)
Platephotograph · Layla source · iNaturalist ↗

§2Habit & range

Habit and range

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

Native status, by region

  • CAN Canada Introduced
  • L48 Lower 48 States Native
§2b

County-level range

· 108 counties across 12 states/territories
Legend Native · 108 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 108 counties across 12 states/territories.

Arkansas view state ↗ 35 N
Georgia view state ↗ 1 N
Illinois view state ↗ 1 N
Indiana view state ↗ 1 N
Kansas view state ↗ 4 N
Kentucky view state ↗ 1 N
Louisiana view state ↗ 27 N
Mississippi view state ↗ 1 N
Missouri view state ↗ 5 N
Oklahoma view state ↗ 2 N
Tennessee view state ↗ 1 N
Texas view state ↗ 29 N

§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/RUGR ↗

GBIF Backbone

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

gbif.org/species/3114251 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T14:17:10Z