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Rarity as a life-history correlate in Dudleya (Crassulaceae)
American Journal of Botany
Premise of the study : Differences in rarity among species can be caused by adaptation to local conditions along with correlated evolution in characters that limit geographic range size. For this kind of divergence, the resulting species differ in their ability to thrive in varying environments. Because rare species are more prone to extinction than widespread species, trade-offs in life history predispose the resulting lineages to clade selection. • Methods : Nine Dudleya species live in thedoi:10.3732/ajb.1000092 pmid:21730336 fatcat:xp24w37hgrcprfh6pgws2j4ni4