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,, 03 February 2023.

CCH1 Specimen Number  ?   RSA697025   (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  ?   LeRoy Gross  1341
Formatted Date (YYYY MM DD) ?  2004-06-09 
Elevation (corrected)  ?   1687 meters (5536 feet) 
Jepson Bioregion ADD JEPSON REGION & color code 
USGS Land Ownership ADD LAND OWNERSHIP & color code 
County (verbatim)  ?   Los Angeles 
Locality  ?   West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road.; Liebre Mtn. 7.5 Quads.Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.)  
Habitat  ?   Rounded high mountain, with rolling oaks, pine and grass, (savanna-like) areas. Thicker chaparral on south slopes below and oak woodland forest on some north slopes. Plant species include: Quercus kelloggii, Q. wislizenii, (and their hybrid Q. x morehus), Q. chrysolepis, Pinus sabiniana, Arctostaphylos glandulosa glaucomollis, Rhamnus tomentella cuspidata, Prunus emarginata, Ceanothus leucodermis, Cercocarpus betuloides, Lotus crassifolius, Eriogonum fasciculatum, E. roseum, E. cithariforme agninum, Marah fabaceus, Lonicera interrupta, Phacelia egena, Asclepias eriocarpa, Plagiobothrys arizonicus, Collomia grandiflora, Clarkia rhomboidea, Camissonia intermedia, Mentzelia congesta, Chaenactis xantiana, Gilia ochroleuca bizonata, Lupinus formosus, Cryptantha muricata, C. circumscissa, Penstemon centranthifolius, P. grinnellii, Amsinckia tessellata, Sisymbrium altissimum, Erodium cicutarium, Bromus carinatus, B. tectorum, B. diandrus, Lessingia lemmonii peirsonii, L. filaginifolia, and Agoseris retrorsa. Growing in shade of Quercus. 
Coordinates  ?   34.7136110000 -118.6341670000 
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