Solidago guiradonis

Guirado’s goldenrod

Solidago guiradonis A. Gray is a rare species found only in asbestos-laden soils near streams in the vicinity of San Carlos and San Benito peaks, San Benito and Fresno counties, California. It is similar to the closely related S. confinis but has much narrower leaves and smaller cypselae ().  Its range of distribution is shown on the map with S. confinis. The species is diploid (2n=18).

Solidago guiradonis Habitat warning sign

It would have been more helpful to see this sign before looking for plants, rather than at the end of the day!

Last revised 15 April 2025 by J.C. Semple

© 2025 J.C. Semple, including all photographs unless otherwise indicated

Solidago guiradonis, serpentine soil habitat, San Benito Co., California
Solidago guiradonis, San Benito Co., California
Solidago guiradonis, more robust plant, San Benito Co., California
Solidago guiradonis, basal leaves, San Benito Co., California
Solidago guiradonis S 9349 hds
Solidago guiradonis S 9349 phyllaries

1-4. Solidago guiradonis, Semple et al. 9349-9356, San Benito Co. California. 1. Habitat. 2. Tall few stemmed plant. 3. Tall multiple stemmed plant. 4. Basal rosette leaves. 5. Heads. 6. Phyllaries.