全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:William A. Freyman , Sonia Nosratinia ...
来源:[J].BMC Biology(IF 6.531), 2017, Vol.15 (1)Springer
摘要:California is a world floristic biodiversity hotspot where the terms neo- and paleo-endemism were first applied. Using spatial phylogenetics, it is now possible to evaluate biodiversity from an evolutionary standpoint, including discovering significant areas of neo- and paleo-end...
作者:William A. Freyman
来源:[J].Evolutionary Bioinformatics(IF 1.326), 2015, Vol.11DOAJ
摘要:The amount of phylogenetically informative sequence data in GenBank is growing at an exponential rate, and large phylogenetic trees are increasingly used in research. Tools are needed to construct phylogenetic sequence matrices from GenBank data and evaluate the effect of missing...
作者:William A. Freyman , Sonia Nosratinia ...
来源:[J].2017, Vol.15 (1), pp.96BMC
摘要:California is a world floristic biodiversity hotspot where the terms neo- and paleo-endemism were first applied. Using spatial phylogenetics, it is now possible to evaluate biodiversity from an evolutionary standpoint, including discovering significant areas of neo- and paleo-end...
作者:William A. Freyman , Linda A. Masters , Stephen Packard
来源:[J].Methods in Ecology and Evolution(IF 5.924), 2016, Vol.7 (3), pp.380-383Wiley
摘要:Summary(#br)Floristic Quality Assessments ( FQA s) are measurements of a natural area's ecological integrity based on their plant species composition. Widely used by government agencies and conservation organizations to monitor and assess natural areas, FQA data bases have b...
作者:William A. Freyman , David D. Ackerly ...
来源:[J].American Journal of Botany(IF 2.586), 2017, Vol.104 (3), pp.487-501Wiley
摘要:PREMISE OF THE STUDY:(#br)California's vascular flora is the most diverse and threatened in temperate North America. Previous studies of spatial patterns of Californian plant diversity have been limited by traditional metrics, non‐uniform geographic units, and distributional...
作者:William A. Freyman , C. Matt Guilliams ...
来源:[J].American Journal of Botany(IF 2.586), 2016, Vol.103 (2), pp.221-232Wiley
摘要:PREMISE OF THE STUDY:(#br)Hesperolinon (western flax; Linaceae) is endemic to the western United States, where it is notable for its high and geographically concentrated species diversity on serpentine‐derived soils and for its use as a model system in disease ecology. We us...
作者:Michael J. Landis , William A. Freyman , Bruce G. Baldwin
来源:[J].Evolution(IF 4.864), 2018, Vol.72 (11), pp.2343-2359Wiley
摘要:Abstract(#br)The Hawaiian silversword alliance (Asteraceae) is an iconic adaptive radiation. However, like many island plant lineages, no fossils have been assigned to the clade. As a result, the clade's age and diversification rate are not known precisely, making it difficu...
作者:William A. Freyman , Boris Igić ...
来源:[J].New Phytologist(IF 6.736), 2019, Vol.224 (3), pp.1252-1265Wiley
摘要:Summary(#br)If particular traits consistently affect rates of speciation and extinction, broad macroevolutionary patterns can be interpreted as consequences of selection at high levels of the biological hierarchy. Identifying traits associated with diversification rates is d...

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