Taxon Report

Pyrrocoma racemosa (Nutt.) T. & G. var. congesta (Greene) G. Brown & Keil

Del Norte pyrrocoma

Print Report


©2008 Keir Morse

  Classification

Scientific Name:
Pyrrocoma racemosa (Nutt.) T. & G. var. congesta (Greene) G. Brown & Keil
Common Name:
Del Norte pyrrocoma
Family: Asteraceae
Element Code: PDASTDT0F4
USDA Plants Symbol: PYRAC2
Synonyms/Other Names:
  • Haplopappus racemosus (Nutt.) Torr. ssp. congestus (Greene) Hall

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Aug-Sep Aug-Sep
Elevation: 200-1000 (655-3280)
General Habitats: Chaparral, Lower montane coniferous forest
Microhabitat: Serpentine
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 13
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 13
California Endemic:  False
California Counties and Islands: Name (Code)
Del Norte (DNT)
Quads: Name (Quad Code)
Crescent City (4112472), Gasquet (4112378), High Divide (4112481), High Plateau Mtn. (4112388), Hiouchi (4112471), Shelly Creek Ridge (4112387), Sister Rocks (4112462)

Selected References

Pittonia 3:23 (1898)
Phytologia 73(1):57-58 (1992)
Pyrrocoma racemosa var. congesta profile for potential Species of Conservation Concern evaluation (2018)
USFS Potential Species of Conservation Concern Profile
Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].