Abstract
Two taxa, narrowly endemic to the Trinity Mountains in northwestern California, are described.Sedum laxum subsp.flavidum is a tetraploid (n = 30) and is found on metabasaltic outcroppings, andSedum obtusatum subsp.paradisum is a diploid (n = 15) and occurs on granite outcroppings.
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Clausen, R. T. 1975.Sedum of North America North of the Mexican Plateau. Cornell University Press, Ithaca and London.
Munz, P. A. & D. D. Keck. 1959. A California Flora. University of California Press, Berkeley and Los Angeles.
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Denton, M.F. Two new taxa of Sedum section Gormania (Crassulaceae) endemic to the Trinity Mountains in California. Brittonia 30, 233–238 (1978). https://doi.org/10.2307/2806658
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DOI: https://doi.org/10.2307/2806658