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

 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,, 05 December 2023.

CCH1 Specimen Number  ?   RSA597262   (Accession number)   image_link (to be added soon)
CCH1 HistoryFirst Load Date 2017 08 08First Loaded Det. Mentzelia congesta
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  ?   collector not recorded number not recorded 
Formatted Date
County  ?   Los Angeles 
Locality  ?   Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages.; Mescal Creek  
Elevation (corrected)  ?   1743 meters (5720 feet) 
Jepson Bioregion  ?   SnGb    
US Census Land Ownership Public: Federal  (as mapped)
  • (calculated from a 1 mile radius polygon around the mapped point)
Habitat  ?   Heavily disturbed site currently used for refuse disposal. A few taxa apparently introduced by the forest service (Pinus coulteri, Cupressus arizonica, Calocedrus decurrens). Native vegetation appears to have been pinyon woodland (Pinus monophylla) and desert transition chaparral (Quercus john-tuckeri, Ceanothus greggii vestitus, Fremontodendron californicum, Yucca whipplei, Artemesia tridentata, Cercocarpus betuloides, Stipa speciosa, Chrysothamnus nauseosus, Ericameria linearifolia, Eridictyon trichocalyx, Eriastrum densifolium, etc. 
Morphology Notes  ?   Annual scattered locally but not common. Style ca 2 mm long; capsule ca 5-7mm long and 2-3 mm wide; seeds in more that 1 row in distal portion of capsule, irregularly angled. 
Coordinates  ?   34.4057380000 -117.7259320000 
Uncertainty  ?   200 meters 
Datum  ?   WGS84 
Georeference By  ?   Rancho Santa Ana (no. 6) 
Source  ?   GoogleEarth (copied from CAS931911)
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 November 20, 2023