Taxon Report

Carlquistia muirii (Gray) B.G. Baldwin

Muir's tarplant

Print Report


  Classification
Scientific Name:
 Carlquistia muirii (Gray) B.G. Baldwin
Common Name:
 Muir's tarplant
Family: Asteraceae
Element Code: PDASTDU010
USDA Plants Symbol: CAMU27
Synonyms/Other Names:
  • Raillardiopsis muirii (Gray) Rydb.
  • Raillardella muirii Gray

Ecology and Life History
Lifeform: perennial rhizomatous herb
Blooming Period: Jul-Aug(Oct) Jul-Aug(Oct)
Elevation: 755-2500 (2475-8205)
General Habitats: Chaparral, Lower montane coniferous forest, Upper montane coniferous forest
Microhabitat: Granitic
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 1B.3
Global Rank: G2
State Rank:
 S2
State List: None
Fed List: None
Other Status: BLM_S; SB_CalBG/RSABG; USFS_S
CRPR Changes:

Occurrence Data from the CNDDB
Total Occurrences: 21
Element Occurrence Ranks:
   Excellent (A) 4
   Good (B) 2
   Fair (C) 1
   Poor (D) 0
   None (X) 0
   Unknown (U) 14

Location
California Endemic:  True
California Counties and Islands: Name (Code)
Fresno (FRE), Kern (KRN), Monterey (MNT), Tulare (TUL)
Quads: Name (Quad Code)
Cannell Peak (3511873), Lodgepole (3611856), Marion Peak (3611885), Owens Peak (3511768), Patterson Mtn. (3611981), Rough Spur (3611888), Slide Bluffs (3611886), Tehipite Dome (3611887), The Sphinx (3611875), Tobias Peak (3511875), Triple Divide Peak (3611855), Ventana Cones (3612136)

Threat List Data from the CNDDB

Threat List Total: 5
EOs with Threat Listed: Total EOs % of EOs
9 43 %
Road/trail construction/maint. 5 23%
Foot traffic/trampling 3 14%
Logging 1 4%
Development 1 4%
Erosion/runoff 1 4%

Notes
Possibly threatened by recreational activities. A synonym of Raillardiopsis muirii in The Jepson Manual (1993). See Botany of California 1:618 (1876) for original description, and Novon 9:462-471 (1999) for revised nomenclature
Threats:
Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 28 December 2024].