- IPNI Life Sciences Identifier (LSID)
- Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean
- iv. 106
- Family as entered in IPNI
- Benth. & Hook. f. ii. 402
- Duplicate citation of
- Syntrichopappus A.Gray, Pacif. Railr. Rep. 4(5, no. 4) [Whipple]. 106 (1856).