Psorothamnus
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Psorothamnus arborescens
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Psorothamnus emoryi
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Psorothamnus fremontii
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Psorothamnus kingii
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Psorothamnus nummularius
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Psorothamnus polydenius
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Psorothamnus schottii
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Psorothamnus scoparius
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Psorothamnus spinosus
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Psorothamnus thompsoniae
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Last updated 12/15/2014.