Taxon Report

Senecio pattersonensis Hoov.

Mt. Patterson senecio

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Taxon Summary

Senecio pattersonensis, commonly known as Mt. Patterson senecio, is a perennial rhizomatous herb in the Asteraceae that is found in California and elsewhere. It occurs within Alpine boulder and rock field, growing at elevations from 2900 to 3720 meters. Senecio pattersonensis is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.


  Classification

Scientific Name:
Senecio pattersonensis Hoov.
Common Name:
Mt. Patterson senecio
Family: Asteraceae
Element Code: PDAST8H2C0
USDA Plants Symbol: SEPA3
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial rhizomatous herb
Blooming Period: Jul-Aug(Sep) Jul-Aug(Sep)
Elevation: 2900-3720 (9515-12205)
General Habitats: Alpine boulder and rock field
Microhabitat:
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 11
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 11
California Endemic:  False
California Counties and Islands: Name (Code)
Mono (MNO)
Quads: Name (Quad Code)
Fales Hot Springs (3811934), Juniper Mtn. (3711862), Mt. Patterson (3811943), Pickel Meadow (3811935)

Notes

See Leaflets of Western Botany 5(4):60 (1947) for original description, and MadroƱo 35(2):165 (1988) for CA occurrence information.
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 15 April 2025].