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A revision of the genus Fuchsia (Onagraceae)
Volume 25, Page 1
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Relations of the temperate floras of North and South America
Volume 25, Page 139
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Pugillus astragalorum alter
Volume 25, Page 147
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Sublittoral marine algae of the Monterey Peninsula
Volume 25, Page 171
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The gander oak, a new hybrid oak from San Diego County, California
Volume 25, Page 177
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The genus Drymaria in, and adjacent to the Sonoran Desert
Volume 25, Page 189
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Water and plant anatomy
Volume 25, Page 215
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A Pleistocene flora from the McKittrick asphalt deposits of California
Volume 25, Page 221
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The perennial southwestern Datura and the validity of Matthew’s hypothesis in plant geography
Volume 25, Page 235
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A revision of some Arizona Cactaceae
Volume 25, Page 245
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Endemism in Crepis
Volume 25, Page 269
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Nicotiana arentsii a new, naturally occurring amphidiploid species
Volume 25, Page 291
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The cytogenetics of hybrids in Bromus II. Bromus carinatus and Bromus arizonicus
Volume 25, Page 307
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The importance of field hybrids in determining species in the genus Ceanothus
Volume 25, Page 323
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A revision of Phacelia section Miltitzia
Volume 25, Page 357
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Endemism in the Hawaiian flora, and a revision of the Hawaiian species of Gennera (Haloragidaceae). Hawaiian Plant Studies 11
Volume 25, Page 377
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A revision of the Artemisia vulgaris complex in North America
Volume 25, Page 421
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The genus Ruppia L
Volume 25, Page 469