Jepson Flora Project: Jepson Interchange for California Floristics    
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Euphorbia rigida M. Bieb.
EUPHORBIACEAE
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Information from the Index of California Plant Names (ICPN)
Initial Editorial Analysis 19 Apr 2011
Notes on Authorship of Name = Authors of Plant Names
Source of Report for California  
a Hrusa et al., ms later published in Madrono 49(2)61-98. 2002: DISTRIBUTION: SnJV, SCo.; STATUS: unknown; "...escaped from cultivation...large plants established in grassy, weedy area...
b Hrusa et al., Madrono 49(2)61-98. 2002: DIST: SnJV, SCo: Hrusa et al. Current Status: No current information: DOC: Tulare Co.: escaped from cultivation, RR ROW SE of Porterville. T22S, R28E, Sec. 06, MD. March, 1993, Ahrendes s.n. (CDA); Ventura Co.: 3-4 large plants established in grassy, weedy area, Erbs Rd., Thousand Oaks. March 30, 1967, Schall s.n. (CDA); in ice plant groundcover, median highway strip along US Hwy. 101 ca. 3 mi. E of Ventura. Feb. 27, 1976, C. Elmore s.n. (DAV).
Initial Editorial Comments according to Source b, status uncertain (14 Feb 2003).
Correspondence and Comments Subsequent to Initial Analysis
Correspondence 1 Treatment and author notes submitted for The Jepson Manual [Ed. 2] see Comment 1
Editorial Comments 1 Correspondence 1 indicates, in a note under the genus description of Euphorbia, that for The Jepson Manual [Ed. 2] Euphorbia rigida M. Bieb. is to be treated as a plant that occ occurs in gardens [presumably, as a weed] but that is not to be considered naturalized.
Editorial Summary and Current Status
Editorial Summary rejection, garden weed
Current Status JFP-4, accepted name for taxon occurring in CA only as agricultural or garden weed
Current Status Authority The Jepson Manual [Ed. 2]
Current Status Date 19 Apr 2011
List of names for this Current Status category
List of ICPN names in Euphorbia
List of names from ICPN, Hrusa's Crosswalk, and Jepson Flora in Euphorbia

Resources of the Jepson Flora Project: External links:
·Distribution maps: County distribution based on CCH specimens
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Manual imageArchived Indexes from The Jepson Manual (1993; TJM1)
link image Jepson's "A Flora of California" (genus)
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