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

 SD 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,, 28 September 2023.

CCH1 Specimen Number  ?   SD00010978-BARCODE   (barcode number)  image_link (to be added soon)
Original Accession No.  ?   SD262148
CCH1 HistoryFirst Load Date 2018 09 05First Loaded Det. Hesperoyucca whipplei
Determination  ?   Hesperoyucca whipplei  CCH1 Determination History
ICPN Name Status   JFP Rank 1, accepted name for taxon native to CA  link to ICPN 
eFlora Accepted Name  ?   Hesperoyucca whipplei    link to Jepson eFlora 
Determination (verbatim)  ?   Hesperoyucca whipplei 
Nativity NATIVE 
eFlora Habit perennial herb shrub-like 
Collector & Number  ?   R.G. Swinney  16661
Formatted Date
Elevation (corrected)  ?   445 meters (1459 feet) 
Jepson Bioregion  ?   SCo     ADD color code 
County (verbatim)  ?   Los Angeles 
Locality  ?   San Gabriel Mountains: Glendora, ridge between east and north forks of Hook Cyn, c. 400 south of Glendora Ridge Mtwy & 200 m north of Church of the Open Door, NE of Hook Cyn debris basin (Glendora 7.5′Q)  
Habitat  ?   S-facing 15-40% slope near ridgeline; dark brown loam with small rocks < 5 inch. 
Associates  ?   Colby burn of 2014, previously chaparral & coastal sage scrub, dominants incl. Hesperoyucca, Hirschfeldia, Acmispon glaber, A. strigosus, A. maritimus, Calystegia mac., etc. 
Morphology Notes  ?   Fairly common perennial; 2.1 m infl., white perianth. 
Coordinates  ?   34.1575000000 -117.8783300000 
Uncertainty  ?   Not recorded 
Datum  ?   WGS84 
Georeference By  ?   n-a 
Source  ?   Coordinates from label
Georeference Note  ?   Not recorded 
Date Last Modified  ?   2022-04-25 14:51:48 
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 July 30, 2023