| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Erythronium helenae Applegate | E. I. Applegate 7037 04 Apr 1932 | United States of America. California. Napa Co. Volcanic crater region of Mount St. Helena. Steep northerly slope just east of the Palisades on old stage road. | isotype | 319669 |  |
| Erythronium helenae Applegate | E. I. Applegate 7037 04 Apr 1932 | United States of America. California. Napa Co. Volcanic crater region of Mount St. Helena. Steep northerly slope just east of the Palisades on old stage road. | isotype | 319670 |  |
| Erythronium helenae Applegate | H. Swift 30 Apr 1941 | United States of America. New York. Bronx Co. New York Botanical Garden, Rock Garden. | 3534102 |  | |
| Erythronium helenae Applegate | E. K. Balls 17143 with L.W. Lenz, 9 May 1952 | United States of America. California. Lake Co. 6.3 mi. n.e. from jct with Hwy 20 on road to Bartlett Springs. | 3534103 |  |