TABLE 1.
Descriptive information relative to the Eriodictyon taxa studied.
| Accession number | Species and variety | Common name | Collection date | Country | State | District |
| 38515 | E. californicum (Hook. & Arn.) Decne. | California Yerba Santa | 5/25/1933 | United States | California | San Mateo |
| 249224 | E. altissimum P.V. Wells | Indian Knob Mountainbalm | 5/23/1978 | United States | California | San Luis Obispo |
| 139563 | E. angustifolium Nutt. | Narrow-leaved Yerba Santa | 6/28/1996 | Mexico | Baja California | Ensenada |
| 248184 | E. trichocalyx A. Heller var. trichocalyx | Hairy Yerba Santa | 5/18/2014 | United States | California | San Bernardino |
| 126445 | E. capitatum Eastw. | Lompoc Yerba Santa | 6/6/1967 | United States | California | Santa Barbara |
| 216133 | E. crassifolium Benth. var. crassifolium | Thick-leaved Yerba Santa | 4/13/2009 | United States | California | San Diego |
| 222888 | E. sessilifolium Greene | Sessile-leaved Yerba Santa | 3/20/2012 | Mexico | Baja California | Ensenada |
| 146246 | E. trichocalyx A. Heller var. trichocalyx | Hairy Yerba Santa | 5/25/2000 | United States | California | San Bernardino |
| 6696 | E. trichocalyx A. Heller var. trichocalyx | Hairy Yerba Santa | 1878 | United States | California | San Diego |
| 269686 | E. tomentosum Benth. | Woolly Yerba Santa | 7/14/2009 | United States | California | Fresno |
| 262493 | E. trichocalyx A. Heller var. trichocalyx | Hairy Yerba Santa | 5/2/2013 | United States | California | San Diego |
| 175829 | E. traskiae subsp. smithii Munz | Smith’s Yerba Santa | 6/10/2006 | United States | California | Santa Barbara |
| 38519 | E. crassifolium var. nigrescens Brand | Bicolored Yerba Santa | 6/23/1935 | United States | California | Ventura |
| 244830 | E. sessilifolium Greene | Sessile-leaved Yerba Santa | 7/13/2015 | United States | California | San Diego |
| 64071 | E. californicum (Hook. & Arn.) Decne. | California Yerba Santa | 7/25/1965 | United States | California | Fresno |
| 252348 | E. traskiae Eastw. subsp. traskiae | Trask’s Yerba Santa | 5/19/2000 | United States | California | Los Angeles |
| 186939 | E. trichocalyx var. lanatum (Brand) Jeps. | San Diego Yerba Santa | 4/21/2008 | United States | California | San Diego |
| 243158 | E. lobbii (A. Gray) Greene | Matted Yerba Santa | 8/14/2010 | United States | California | Placer |
| 206781 | E. parryi (A. Gray) Greene | Poodle-dog Bush | 7/8/2010 | United States | California | San Diego |
Species are ordered according to Table 2, in order to facilitate comparison between both tables.