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Ploidy race distributions since the Last Glacial Maximum in the North American desert shrub, Larrea tridentata
A classic biogeographic pattern is the alignment of diploid, tetraploid and hexaploid races of creo- sote bush ( Larrea tridentata ) across the Chihua- huan, Sonoran and Mohave Deserts of westernExpand
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Holocene woodlands in the southwestern deserts.
Twenty-nine radiocarbon-dated pack rat middens document woodland communities in the deserts of the southwestern United States less than 10,000 years ago. A synchronous change from woodland to desertExpand
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High proportion of cactus species threatened with extinction
A high proportion of plant species is predicted to be threatened with extinction in the near future. However, the threat status of only a small number has been evaluated compared with key animalExpand
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Gentry's Rio Mayo Plants. The Tropical Deciduous Forest and Environs of Northwest Mexico
Along with some of my students and friends, I had the pleasure twice to visit this Rio Mayo region and adjacent areas via the kind courtesy of co-author Thomas R. Van Devender, who carefully pointedExpand
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Shasta ground sloth ( Nothrotheriops shastense hoffstetter) at Shelter Cave, New Mexico: Environment, diet, and extinction
Abstract Seven coprolites of the extinct Shasta ground sloth (Nothrotheriops shastense) were recently discovered in the Los Angeles County Museum collection from Shelter Cave, New Mexico. Three dungExpand
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Biogeographic implications of a packrat midden sequence from the Sacramento Mountains, south-central New Mexico
Abstract Thirteen packrat ( Neotoma spp.) and two porcupine ( Erethizon dorsatum ) middens from 1555 to 1690 m elevation from the Sacramento Mountains, New Mexico, provide an 18,000-yr vegetationExpand
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Late Pleistocene woodlands in the Bolson de Mapimi: A refugium for the Chihuahuan Desert Biota?
Abstract Packrat middens radiocarbon dated at 12,280 ± 345 and 12,700 ± 165 yr B.P. record expansions of junipers and papershell pinyon (Pinus remota) into the desert lowlands of Durango andExpand
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A 22,000-year record of vegetation change in the north-central Sonoran Desert
Abstract Plant macrofossils from eleven packrat (Neotoma sp.) middens provide a history of vegetation change over the last 22,140 years at Eagle Eye Mountain, near the northern border of the SonoranExpand
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Holocene vegetation and climate in the Puerto Blanco Mountains, southwestern Arizona
Abstract Plant macrofossils from 21 pack rat (Neotoma sp.) middens at 535–605 m from the Puerto Blanco Mountains, southwestern Arizona, provide and excellent history of vegetation and climate for theExpand
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