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Vascular plants of the Cuyamaca and Laguna Mountains, California
Vol 81, Page 69, Date 1996
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Perymenium basaseachicanum (Asteraceae, Heliantheae), a new species from Chihuahua, Mexico
Vol 81, Page 103, Date 1996
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Taxonomic notes on Texan and Mexican species of Hedyotis and Houstonia (Rubiaceae)
Vol 81, Page 108, Date 1996
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Vernonia boquerona (Asteraceae), a new species from Chiapas, Mexico
Vol 81, Page 115, Date 1996
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Ageratina bobjansenii (Asteraceae: Eupatorieae), a new species from Durango, Mexico
Vol 81, Page 118, Date 1996
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Prionosciadium saraviki (Apiaceae): A new species from the Sierra Madre Occidental, Mexico
Vol 81, Page 121, Date 1996
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Taxonomic value of culm anatomical characters in the species of Bouteloua Lagasca (Poaceae: Eragrostideae)
Vol 81, Page 124, Date 1996
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Aridae, a new subclass of Liliopsida
Vol 81, Page 142, Date 1996