| Title | Flora of Colorado |
| Abbreviation | Fl. Colorado [Rydberg] |
| Authors | P. A. Rydberg |
| Publication Dates | Aug 1906 |
| Place of publication | Fort Collins, Colo. |
| Publisher | Agric. Expt. Station Colorado Agric. Coll. |
| URL | http://books.google.com/books?vid=HARVARD32044106354616&printsec=titlepage#v=onepage&q=&f=false |
| HOLLIS | 002399489 |
| TL2 | 9.861 |
| Remarks | Description: xxii, 448 p. |
The Harvard University Herbaria hold 9 type specimens of taxa described in this publication
Mertensia myosotifolia A. Heller [Isotype] 1905, 290Lathyrus laetivirens Greene ex Rydberg [Isotype] 1906, 217
Trifolium oxyodon Greene ex Rydberg [Isotype] 1906, 201, 202
Carduus truncatus Greene ex Rydberg [Isotype] 1906, 400-401
Tetraneuris pilosa Greene [Type] 1906, 379
Erigeron superbus Greene [Type] 1906, 361, 364
Polemonium scopulinum Greene ex Rydberg [Isotype] 1906, 280
Rosa pandorana Greene [Type] 1906, 190, 190
Cerastium pilosum Greene ex Rydberg [TypeMaterial] 1906, 129