Index / Search / Trillium ovatum
§1 Plant
Trillium ovatum Pursh
vernacular Pacific trillium — species · Liliaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Monocot
- Family
- Liliaceae Juss.
- Genus
- Trillium
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 95 counties across 7 states/territories§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 95 counties across 7 states/territories.
California view state ↗ 16 N ▾
Colorado view state ↗ 2 N ▾
Idaho view state ↗ 14 N ▾
Montana view state ↗ 9 N ▾
Oregon view state ↗ 26 N ▾
- Baker 41001
- Benton 41003
- Clackamas 41005
- Clatsop 41007
- Columbia 41009
- Coos 41011
- Curry 41015
- Deschutes 41017
- Douglas 41019
- Hood River 41027
- Jackson 41029
- Jefferson 41031
- Josephine 41033
- Klamath 41035
- Lane 41039
- Lincoln 41041
- Linn 41043
- Marion 41047
- Multnomah 41051
- Polk 41053
- Tillamook 41057
- Union 41061
- Wallowa 41063
- Wasco 41065
- Washington 41067
- Yamhill 41071
Washington view state ↗ 27 N ▾
- Asotin 53003
- Chelan 53007
- Clallam 53009
- Clark 53011
- Columbia 53013
- Cowlitz 53015
- Grays Harbor 53027
- Jefferson 53031
- King 53033
- Kitsap 53035
- Kittitas 53037
- Klickitat 53039
- Lewis 53041
- Mason 53045
- Pacific 53049
- Pend Oreille 53051
- Pierce 53053
- Skagit 53057
- Skamania 53059
- Snohomish 53061
- Spokane 53063
- Stevens 53065
- Thurston 53067
- Wahkiakum 53069
- Whatcom 53073
- Whitman 53075
- Yakima 53077
Wyoming view state ↗ 1 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/TROV2 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2742413 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z