Taxon Details

Tonestus eximius

Tahoe tonestus

View Report Copy Link Calflora eFlora CCH CalPhotos iNaturalist

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
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: Jul-Aug

Elevation:
2500 - 3300 meters
8205 - 10825 feet

General Habitats:

Subalpine coniferous forest (granitic)

Microhabitat Details:

Microhabitat:

Notes

Notes: See Phytologia 68(2):144-155 (1990) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	0 %

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					0
A	B	C	D	X	U
0	0	0	0	0	0

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

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Nevada (NV)

California Counties and Islands: Name (Code)
El Dorado (ELD)

Quads: Name (Quad Code)
Freel Peak (3811978)

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

Map

Presumed Extant

Click on quad for name. Hold Shift Key to use mouse scroll wheel

CNPS Rare Plant Inventory