Taxon Report

Tonestus eximius (Hall) Nels. & Macbr.

Tahoe tonestus

Print Report


Taxon Summary

Tonestus eximius, commonly known as Tahoe tonestus, is a perennial rhizomatous herb in the Asteraceae that is found in California and elsewhere. It occurs within Subalpine coniferous forest, growing at elevations from 2500 to 3300 meters. Tonestus eximius is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.


  Classification

Scientific Name:
Tonestus eximius (Hall) Nels. & Macbr.
Common Name:
Tahoe tonestus
Family: Asteraceae
Element Code: PDASTE0030
USDA Plants Symbol: TOEX3
Synonyms/Other Names:
  • Haplopappus eximius Hall

Ecology and Life History

Lifeform: perennial rhizomatous herb
Blooming Period: Jul-Aug Jul-Aug
Elevation: 2500-3300 (8205-10825)
General Habitats: Subalpine coniferous forest
Microhabitat:
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:  False
California Counties and Islands: Name (Code)
El Dorado (ELD)
Quads: Name (Quad Code)
Freel Peak (3811978)

Notes

See Phytologia 68(2):144-155 (1990) for revised nomenclature.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 9 February 2025].