Tonestus lyallii

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 Habitat: Alpine boulder and rock field
General Micro Habitat:
Micro Habitat:

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

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

Counties Quads

CNPS Rare Plant Inventory