C. M. Guilliams

Publications26
h-index6
Citations176
Highly Influential Citations12
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The borage family (Boraginaceae s.str.): A revised infrafamilial classification based on new phylogenetic evidence, with emphasis on the placement of some enigmatic genera
SYNTHESYS project by the European Community Research Infrastructure Action under the FP6 "Structuring the European Research Area" GB-TAF-4514 FP7 "Capacities" Programmes ES-TAF-136 AT-TAF-2001… Expand
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American amphitropical disjuncts: Perspectives from vascular plant analyses and prospects for future research
Plants with a native (i.e., naturally occurring or nonanthropogenic) American amphitropical disjunct (AAD) distribution, occurring on both sides of, but not within, the American tropics, have long… Expand
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Uncorrelated evolution of leaf and petal venation patterns across the angiosperm phylogeny.
Early angiosperm evolution, beginning approximately 140 million years ago, saw many innovations that enabled flowering plants to alter ecosystems globally. These included the development of novel,… Expand
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Familial classification of the Boraginales
The Boraginales are now universally accepted as monophyletic and firmly placed in Lamiidae. However, a consensus about familial classification has remained elusive, with some advocating recognition… Expand
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Phylogeny of the popcorn flowers: Use of genome skimming to evaluate monophyly and interrelationships in subtribe Amsinckiinae (Boraginaceae)
Subtribe Amsinckiinae, currently containing 13 genera and approximately 287 species, is a species­rich group of the family Boraginaceae. Past studies assessing relationships had a limited sample size… Expand
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Memoirs of a frequent flier: Phylogenomics reveals 18 long-distance dispersals between North America and South America in the popcorn flowers (Amsinckiinae).
PREMISE OF THE STUDY American amphitropical disjunction (AAD) is an important but understudied New World biogeographic pattern in which related plants occur in extratropical North America and South… Expand
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Pleistocene radiation of the serpentine-adapted genus Hesperolinon and other divergence times in Linaceae (Malpighiales).
PREMISE OF THE STUDY Hesperolinon (western flax; Linaceae) is endemic to the western United States, where it is notable for its high and geographically concentrated species diversity on… Expand
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Pectocarya anisocarpa, a new species of Boraginaceae, and a revised key for the genus in western North America
Pectocarya is a genus of 13 currently accepted taxa in Boraginaceae, subtribe Cryptanthinae. The genus has an amphitropical distribution in the New World, with eight taxa in western North America,… Expand
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Patterns and processes of American amphitropical disjunctions: New insights
For over a hundred years, botanists and biogeographers have noticed an interesting pattern: the occurrence of the same plant species or very close relatives on either side of the tropics in North… Expand
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Ajo Peak to Tinajas Altas: A flora of southwestern Arizona. Part 10. Eudicots: Berberidaceae, Bignoniaceae, and Boraginaceae
A floristic account is provided for three eudicot families as part of the vascular plant flora of the contiguous protected areas of Organ Pipe Cactus National Monument, Cabeza Prieta National… Expand
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