Taxon Report

Lomatium tracyi Math. & Const.

Tracy's lomatium

Print Report


©2018 Julie Kierstead Nelson

Taxon Summary

Lomatium tracyi, commonly known as Tracy's lomatium, is a perennial herb in the Apiaceae that is found only in California. It occurs within Lower montane coniferous forest, and Upper montane coniferous forest, growing at elevations from 455 to 1950 meters. Lomatium tracyi is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.


  Classification

Scientific Name:
Lomatium tracyi Math. & Const.
Common Name:
Tracy's lomatium
Family: Apiaceae
Element Code: PDAPI1B1Y0
USDA Plants Symbol: LOTR
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial herb
Blooming Period: May-Jun May-Jun
Elevation: 455-1950 (1495-6400)
General Habitats: Lower montane coniferous forest, Upper montane coniferous forest
Microhabitat: Serpentine
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 0
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 0
California Endemic:  True
California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Siskiyou (SIS), Trinity (TRI)
Quads: Name (Quad Code)
Blue Creek Mtn. (4112347), Broken Rib Mtn. (4112386), Dubakella Mtn. (4012342), Grouse Mtn. (4012376), High Divide (4112481), Mumbo Basin (4112225), Scott Mountain (4112236), Smoky Creek (4012332), Tangle Blue Lake (4112226)

Selected References

Lomatium tracyi profile for potential Species of Conservation Concern evaluation (2022)
USFS Potential Species of Conservation Concern Profile
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].