Taxon Details

Heterotheca monarchensis

Monarch golden-aster

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Taxon Summary:

Heterotheca monarchensis, commonly known as Monarch golden-aster, is a perennial herb in the Asteraceae that is found only in California. It occurs within Cismontane woodland, growing at elevations from 1095 to 1850 meters. Heterotheca monarchensis is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Heterotheca monarchensis York, Shevock & Semple
Common Name: Monarch golden-aster
Family:	Asteraceae
Element Code:	PDAST4V0U0
USDA Plants Symbol:	HEMO14
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	USFS_S
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial herb

Blooming Period: May-Oct

Elevation:
1095 - 1850 meters
3595 - 6070 feet

General Habitats:

Cismontane woodland (carbonate)

Microhabitat Details:

Microhabitat:

Notes

Notes: Known from two occurrences in the Kings River Cyn. Threatened by non-native plants. Not in The Jepson Manual. See University of Waterloo Biology Series 37:52 (1996) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	1
	Total EOs	% of EOs
EOs with Threat Listed:	3	100 %
Non-native plant impacts	3	100%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					3
A	B	C	D	X	U
1	0	0	0	0	2

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

Presence:
Presumed Extant	3
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Fresno (FRE)

Quads: Name (Quad Code)
Wren Peak (3611877)

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

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CNPS Rare Plant Inventory