Tonestus lyallii

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Scientific Name: Tonestus lyallii (Gray) G. Nesom
Common Name: Lyall's tonestus
Family:	Asteraceae
Element Code:	PDASTE0050
USDA Plants Symbol:	TOLY
Synonyms/Other Names: Haplopappus lyallii Gray

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G5
State Rank:	S1
Other Status:
CRPR Changes: changed from 2.3 to 2B.3 on 2013-06-12
Add Date:	1974-01-01
Date Edited:	2021-05-26

Lifeform: perennial rhizomatous herb

Blooming Period: Jul-Aug

Elevation:
2500 - 2700 meters
8205 - 8860 feet

General Habitats:

Microhabitat Details:

Microhabitat:

Notes: See Madroño 21(8):535 (1972) for first CA occurrence, and Phytologia 68(2):144-155 (1990) for revised nomenclature.
Threats:
Taxonomy:

Occurrence Status:
Historical >20 Years	3
Recent <=20 Years	0

California Endemic:

California Island:

States: Name (Code)
California (CA), Colorado (CO), Idaho (ID), Montana (MT), Nevada (NV), Oregon (OR), Washington (WA), Wyoming (WY)

California Counties and Islands: Name (Code)
Trinity (TRI)

Quads: Name (Quad Code)
Mt. Hilton (4012381), Siligo Peak (4012288), Thompson Peak (4112311)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Presumed Extant

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Other:

USFS Potential Species of Conservation Concern Profile