Jepson Flora Project: Jepson Interchange for California Floristics    
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Limnobium spongia (Bosc) Rich. ex Steud.
HYDROCHARITACEAE
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Information from the Index of California Plant Names (ICPN)
Current Jepson Flora Project Synonyms Hydrocharis spongia Bosc
Current Jepson Flora Project Misapplied Names Limnobium laevigatum (Humb. & Bonpl. ex Willd.) Heine, misappl.
Initial Editorial Analysis 16 Dec 2011
Source of Report for California Correspondence 1
Correspondence and Comments Subsequent to Initial Analysis
Correspondence 1 Treatment and author notes submitted for The Jepson Manual [Ed. 2] by Robert F. Thorne, C. Barre Hellquist, & Robert R. Haynes see Comment 1
Editorial Comments 1 Correspondence 1 indicates that material on which occurrences in California of Limnobium laevigatum (Humb. & Bonpl. ex Willd.) Heine have been based belongs instead to Limnobium spongia (Bosc) Rich. ex Steud. [although Limnobium spongia (Bosc) Rich. ex Steud. is not indicated for California in Flora North America].
Correspondence 2 16 Dec 2011 e-mail from Bruce G. Baldwin, including forwarded e-mails from Robert R. Haynes and Margriet Wetherwax see Comment 2
Editorial Comments 2 Correspondence 2 indicates that, according to Dean Kelch (pers. comm. to Baldwin), Fred Hrusa has determined that relevant California material belongs to Limnobium laevigatum (Humb. & Bonpl. ex Willd.) Heine and not Limnobium spongia (Bosc) Rich. ex Steud., and that the latter name has therefore been misapplied in California [there is one record in CCH labeled Limnobium spongia, but it is from material grown in a greenhouse in CA], a situation opposite that presented in The Jepson Manual [Ed. 2].
Editorial Summary and Current Status
Editorial Summary probable rejection, based on misidentification
Current Status JFP-2_t, accepted name for taxon naturalized in CA (tentative)
Current Status Date 16 Dec 2011
List of names for this Current Status category
List of ICPN names in Limnobium
List of names from ICPN, Hrusa's Crosswalk, and Jepson Flora in Limnobium

Resources of the Jepson Flora Project: External links:
·Distribution maps: County distribution based on CCH specimens
Manual imageJepson eFlora
link image ·Consortium of California Herbaria specimen records (includes links to BerkeleyMapper)
· Jepson eFlora page with bioregion map and CCH specimen records
Manual imageArchived Indexes from The Jepson Manual (1993; TJM1)
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Common names
link image IPNI
link image Tropicos Taxonomic information from the Missouri Botanical Garden
Calflora: Taxon report · Distribution · Observations
link image KBD Kew Bibliographic Database
external link BONAP county distribution maps
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link image JSTOR Plant Science

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