| Title | Explorations and Surveys for a Railroad Route from the Mississippi River ... |
| Abbreviation | Pacific Railr. Rep. 7, Pt. 3 (Parkes) |
| Authors | John Torrey |
| Publication Dates | 1856 |
| URL | http://cprr.org/Museum/Pacific_RR_Surveys/index.html |
| TL2 | 14.763 |
| Remarks | Three chapters, pages 1-28; see J. Arnold Arb. 24: 242. 1943. |
The Harvard University Herbaria hold 8 type specimens of taxa described in this publication
Obione hymenelytra Torrey [Isolectotype] 1857, 4: 129Obione suckleyana Torrey [Isotype] 1860,
Azalea occidentale Torrey & A. Gray [Isolectotype] 1857, 4: 116
Damasonium californicum Torrey [Isotype] 1857, 4: 142
Chorizanthe laciniata Torrey [Isotype] 1858, 19
Eriogonum leptoclada Torrey & A. Gray [Isotype] 1857, 2: 129
Penstemon thurberi Torrey [Isotype] 1858, 15
Penstemon thurberi Torrey [Isotype] 1858, 15