| Title | Bulletin of the Colorado College Museum |
| Abbreviation | Bull. Colorado Coll. Mus. |
| Publication Dates | No. 1-?, 1903-? |
| Remarks | Not in BPH or BPH/S |
The Harvard University Herbaria hold 3 type specimens of taxa described in this publication
Picradenia earlei Cockerell [Isotype] 1903, 1: 1Picradenia floribunda subsp. utilis Cockerell [Isotype] 1903, 1: 1
Picradenia odorata subsp. osterhouti Cockerell [Isotype] 1903, 1: 2