 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 January 28, 2011.
