Jepson Flora Project: Jepson Interchange for California Floristics    
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Heracleum lanatum Michx.
APIACEAE
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Information from the Index of California Plant Names (ICPN)
Initial Editorial Analysis 14 Jan 2005
Source of Report for California The Jepson Manual [Ed. 1]
Correspondence and Comments Subsequent to Initial Analysis
Correspondence 1 14 Jan 2005 e-mail from Jeff Greenhouse see Comment 1
Editorial Comments 1 Correspondence 1 indicates that Heracleum maximum W. Bartram is the correct name for what has been called Heracleum lanatum Michx.; that Heracleum maximum was published by William Bartram (W. Bartram in Authors of Plant Names) in Travels through North & South Carolina, ...: 344 (1791), which predates Heracleum lanatum Michx. by 12 years but was long overlooked; that H. W. Rickett, in Rhodora 46:389--391 (1944), questioned the legitimacy of names in Bartram's work because of inconsistency in Bartram's use of the Linnaean binomial system; that E. D. Merrill, in Bartonia 23:10--35 (1945), made a strong argument in support of Bartram's names based on Bartram's clear intent to use binomials; and that John Strother (personal communication) and Kartesz & Meacham accept the validity of Bartram's names. [Therefore, Heracleum maximum W. Bartram is the correct name for what has been called Heracleum lanatum Michx.]
Editorial Summary and Current Status
Editorial Summary rejection, new name for taxon treated in The Jepson Manual [Ed. 1]
Current Status JFP-1a, taxonomic or nomenclatural synonym for taxon native to CA
Current Name Heracleum maximum W. Bartram
Current Status Authority Jeffrey A. Greenhouse, as Collection Research Specialist, Jepson Flora Project, and Bruce G. Baldwin, as Editor, Jepson Flora Project
Current Status Date 14 Jan 2005
List of names for this Current Status category
List of ICPN names in Heracleum
List of names from ICPN, Hrusa's Crosswalk, and Jepson Flora in Heracleum

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"
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