| Title | Explorations and Surveys for a Railroad Route from the Mississippi River to the Pacific Ocean. Description of the Mosses and Liverworts |
| Abbreviation | Pacific Railr. Rep. 5, Pt. 2, Article 7 (Williamson) |
| Authors | John Torrey |
| Publication Dates | 1857 |
| URL | http://cprr.org/Museum/Pacific_RR_Surveys/index.html |
| TL2 | 14.767 |
| Remarks | Description of the Plants Collected along the Route by W. P. Blake, and at the Mouth of the Gila. Pages [359]-370; see J. Arnold Arb. 24: 242. 1943. |
The Harvard University Herbaria hold 5 type specimens of taxa described in this publication
Eritrichium angustifolium Torrey [Isosyntype] 1857, 363Euphorbia setiloba Engelmann ex Torrey [Isotype] 1857, 364
Vilfa utilis Torrey [Isosyntype] 1857, 365
Vilfa utilis Torrey [Isosyntype] 1857, 365
Eriogonum thomasii Torrey [Isotype] 1857, 364