Taxon Report

Isocoma menziesii (H. & A.) G. Nesom var. diabolica G. Nesom

Satan's goldenbush

Print Report

Taxon Summary

Isocoma menziesii var. diabolica, commonly known as Satan's goldenbush, is a perennial shrub in the Asteraceae that is found only in California. It occurs within Cismontane woodland, growing at elevations from 15 to 400 meters. Isocoma menziesii var. diabolica is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Classification


Scientific Name:	Isocoma menziesii (H. & A.) G. Nesom var. diabolica G. Nesom
Common Name:	Satan's goldenbush
Family:	Asteraceae
Element Code:	PDAST57092
USDA Plants Symbol:	ISMED2
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial shrub
Blooming Period: Aug-Oct	Aug-Oct
Elevation:	15-400 (50-1310)
General Habitats:	Cismontane woodland
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.2
Global Rank:	G3G5T3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	0
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	0

Location


California Endemic: True
California Counties and Islands: Name (Code)
Monterey (MNT), San Benito (SBT), Santa Clara (SCL)
Quads: Name (Quad Code)
Bickmore Canyon (3612152), Calaveras Reservoir (3712147), Cherry Peak (3612162), Hollister (3612174), Monarch Peak (3612027), Panoche Pass (3612161), Priest Valley (3612026), San Benito (3612151), San Juan Bautista (3612175), Topo Valley (3612141), Tres Pinos (3612173)

Threat List Data from the CNDDB


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

Notes



Not in The Jepson Manual. See Phytologia 70(2):69-114 (1991) for original description.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 30 January 2025].