Featuring California vascular plant data from the Consortium of California Herbaria and other sources
Accession Label Details

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 General citation for data retrieved from this page:
    Biodiversity data provided by the participants of the Consortium of California Herbaria (Accessed through CCH1 Data Portal,, 08 February 2023.

CCH1 Specimen Number  ?   UCR0104375   (Accession number)   image_link (to be added soon)
Determination  ?   Conium maculatum  CCH1 Determination History
ICPN Name Status   JFP Rank 2, accepted name for taxon naturalized in CA  link to ICPN 
eFlora Accepted Name  ?   Conium maculatum    link to Jepson eFlora 
Determination (verbatim)  ?   Conium maculatum 
eFlora Habit biennial 
Collector & Number  ?   A.C. Sanders  36835
Formatted Date (YYYY MM DD) ?  2009-05-19 
Elevation (corrected)  ?   110 meters (360 feet) 
Jepson Bioregion ADD JEPSON REGION & color code 
USGS Land Ownership ADD LAND OWNERSHIP & color code 
County (verbatim)  ?   Los Angeles 
Locality  ?   Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center  
Habitat  ?   Working oil field with access roads and scattered pump pads. Hillsides, mostly loam over sandstone with cobbles; very dense, c. 1.5 m tall, coastal sage scrub with Eriogonum fas., Baccharis pil., Artemisia cal., Encelia far., etc. and taller plants of Sambucus mex., Heteromeles, etc. At least partially (perhaps entire area) revegetated from severe disturbance a few decades past; almost no native annuals, no bulb plants, no Marah, scant Opuntia. 
Notes  ?   Fairly common annual to 2 m tall, in open areas esp. moist N-facing slopes; fls. white. Forming dense local colonies, many dead stems from last year. 
Coordinates  ?   34.0336100000 -118.0850000000 
Uncertainty  ?   Not recorded 
Datum  ?   Not recorded 
Georeference By  ?   Not recorded 
Source  ?   GoogleEarthACS
Georeference Note  ?   Not recorded 
Date Last Modified  ?   2022-07-08 17:11:03 
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