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

 RSA is the home institution for this record

 Records are made available under the CCH Data Use Terms.
 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,, 31 January 2023.

CCH1 Specimen Number  ?   RSA0019860   (Accession number)   image_link (to be added soon)
Determination  ?   Mentzelia congesta  CCH1 Determination History
ICPN Name Status   JFP Rank 1, accepted name for taxon native to CA  link to ICPN 
eFlora Accepted Name  ?   Mentzelia congesta    link to Jepson eFlora 
Determination (verbatim)  ?   Mentzelia congesta 
Nativity NATIVE 
eFlora Habit annual 
Collector & Number  ?   Orlando Mistretta  5768
Formatted Date (YYYY MM DD) ?  2011-06-29 
Elevation (corrected)  ?   1944 meters (6379 feet) 
Jepson Bioregion ADD JEPSON REGION & color code 
USGS Land Ownership ADD LAND OWNERSHIP & color code 
County (verbatim)  ?   Los Angeles 
Locality  ?   Vicinity of Mt. Gleason. Along Mt. Gleason Road, near microwave tower 0.5 miles SE of summit.  
Habitat  ?   Formerly open yellow pine woodland- mixed chaparral association. Gentle S facing slope, granitic soils, part shade, dry. With: Pinus ponderosa, P. coulteri, Corethrogyne filaginifolia, Lupinus excubitus Eriodictyon parryi, Erigeron foliosus, Ceanothus leucodermis, Agoseris retrorsa, Bromus carinatus, Phacelia curvipes, Eriodictyon parryi, Cordylanthus setiger. 
Morphology Notes  ?   Uncommon. Area burned in station fire, 2009. Forest canopy much reduced. 
Coordinates  ?   34.3720600000 -118.1722200000 
Uncertainty  ?   Not recorded 
Datum  ?   Not recorded 
Georeference By  ?   Not recorded 
Source  ?   Not recorded 
Georeference Note  ?   Not recorded 
Date Last Modified  ?   2022-03-04 14:33:47 
To comment on CCH1 data revisions, please e-mail Jason Alexander   ( 
To comment on the original data for this record as shown below:  Click on the Comments Tab in CCH2 
CCH2 Verbatim Data         
  Copyright © 2023 Regents of the University of California — Updated January 17, 2023