Taxon Report

Solidago guiradonis Gray

Guirado's goldenrod

Print Report

Taxon Summary

Solidago guiradonis, commonly known as Guirado's goldenrod, is a perennial rhizomatous herb in the Asteraceae that is found only in California. It occurs within Cismontane woodland, and Valley and foothill grassland, growing at elevations from 600 to 1370 meters. Solidago guiradonis is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Solidago guiradonis Gray
Common Name:	Guirado's goldenrod
Family:	Asteraceae
Element Code:	PDAST8P0T0
USDA Plants Symbol:	SOGU
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial rhizomatous herb
Blooming Period: Sep-Oct	Sep-Oct
Elevation:	600-1370 (1970-4495)
General Habitats:	Cismontane woodland, Valley and foothill grassland
Microhabitat:	Seeps, Serpentine
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 4.2 to 4.3 on 2014-01-22

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)
Fresno (FRE), San Benito (SBT)
Quads: Name (Quad Code)
Hepsedam Peak (3612037), Idria (3612046), San Benito Mtn. (3612036), Santa Rita Peak (3612035)

Threat List Data from the CNDDB


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

Notes



Known only from the San Benito Mtns. Frequently confused with S. confinis. See Proceedings of the American Academy of Arts and Sciences 6:543 (1865) 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 20 October 2025].