Jepson Flora Project: Jepson Interchange for California Floristics    
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Opuntia ×fosbergii C. B. Wolf
CACTACEAE
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Information from the Index of California Plant Names (ICPN)
Synonyms Cited in The Jepson Manual Opuntia bigelovii Engelm. var. hoffmannii Fosb.
Initial Editorial Analysis 6 Apr 2011
Source of Report for California The Jepson Manual [Ed. 1]
Initial Editorial Comments "2 sets of genes probably come from O. bigelovii. If other parent sp. is O. echinocarpa, O. X munzii should be considered a diploid form." in The Jepson Manual [Ed. 1], so evidently some doubt as to hybrid origin, and possibly to be replaced with non-hybrid form of name, Opuntia fosbergii.
Correspondence and Comments Subsequent to Initial Analysis
Correspondence 1 11 Mar 2003 e-mail from Jeff Greenhouse see Comment 1
Editorial Comments 1 Correspondence 1 indicates that, according to Marc Baker (The Jepson Manual [Ed. 1] co-author for Opuntia), there now is wide acceptance of Cylindropuntia for the "true chollas", so that Cylindropuntia X fosbergii C. B. Wolf) Rebman et al. (in D. J. Pinkava, J. P. Rebman, & M. A. Baker, J. Arizona-Nevada Acad. Sci. 33:150. 2001) is to be used for the taxon treated in The Jepson Manual [Ed. 1] as Opuntia X fosbergii.
Correspondence 2 22 Dec 2008 e-mail from Bruce D. Parfitt, The Jepson Manual [Ed. 2] Author see Comment 2
Editorial Comments 2 Correspondence 2 indicates that for The Jepson Manual [Ed. 2], Opuntia X fosbergii C. B. Wolf is indeed to be treated as Cylindropuntia X fosbergii (C. B. Wolf) Rebman et al..
Editorial Summary and Current Status
Editorial Summary rejection, to be treated as synonym for The Jepson Manual [Ed. 2]
Current Status JFP-1a, taxonomic or nomenclatural synonym for taxon native to CA
Current Name Cylindropuntia X fosbergii (C. B. Wolf) Rebman, M. A. Baker & Pinkava
Current Status Authority The Jepson Manual [Ed. 2]
Current Status Date 6 Apr 2011
List of names for this Current Status category
List of ICPN names in Opuntia
List of names from ICPN, Hrusa's Crosswalk, and Jepson Flora

Resources of the Jepson Flora Project: External links:
·Distribution maps: County distribution based on CCH specimens
link image ·Consortium of California Herbaria specimen records (includes links to BerkeleyMapper)
· Jepson eFlora page with bioregion map and CCH specimen records
link image Jepson's "A Flora of California" (genus)
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