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M

Marc A. Baker

Researcher at Arizona State University

Publications -  24
Citations -  592

Marc A. Baker is an academic researcher from Arizona State University. The author has contributed to research in topics: Cylindropuntia & Taxon. The author has an hindex of 11, co-authored 20 publications receiving 471 citations.

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High proportion of cactus species threatened with extinction

Bárbara Goettsch, +82 more
- 05 Oct 2015 - 
TL;DR: It is shown that cacti are among the most threatened taxonomic groups assessed to date, with 31% of the 1,478 evaluated species threatened, demonstrating the high anthropogenic pressures on biodiversity in arid lands.
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Chromosome Numbers in Some Cacti of Western North America — IX

TL;DR: Four species are here newly published as interspecific hybrids based, in part, on several character states intermediate of their respective sympatric putative parents: Cylindropuntia ×cardenche (GRIFFITHS) PINKAVA & M.M.ZIMMERMAN, and Opuntia streptacantha LEMAIRE × O. tomentosa SALM-DYCK.
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Phylogenomics in Cactaceae: A case study using the chollas sensu lato (Cylindropuntieae, Opuntioideae) reveals a common pattern out of the Chihuahuan and Sonoran deserts.

TL;DR: This study provides the first comprehensive plastome phylogeny for any clade within Cactaceae, and resolved the phylogeny of the chollas, including most interspecific and intraspecific relationships.
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A cytological and morphometric analysis of a triploid apomict, Opuntia xkelvinensis (subgenus Cylindropuntia, Cactaceae)

TL;DR: A morphometric analysis ofOpuntia spinosior, O. fulgida, and their putative hybrid was supplemented with cytogenetic data and pollen stainability for all OTUs and supported the hypothesis for the hybrid origin of O.×kelvinensis and indicated that limited backcrossing has occurred between them.