Department of Biology
ESC 350
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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 (Semple & Cook 2006 FNA). Its range of distribution is shown on the map with S. confinis. The species is diploid 2n=18.
Solidago guiradonis, serpentine soil habitat, San Benito Co., California
Solidago guiradonis, Semple et al. 9351,San Benito Co., California
Solidago guiradonis, more robust plant, Semple et al. 9356, San Benito Co., California
Solidago guiradonis, basal leaves, Semple et al. 9356, San Benito Co., California
Revised 3 June 2023 by J.C. Semple
© 2023 J.C. Semple, including all photographs unless otherwise indicated