| A review of some Tertiary endocarps of Celtis (Ulmaceae) |
Segal, R.H. |
Southwestern Naturalist vol. 11, no. 2, pp. 211-216 |
1966 |
N/A
|
| A study of certain Cardiocarpalean ovule from the American Carboniferous |
Segal, R.H. |
Ph.D. dissertation, Department of Botany, University of Kansas, Lawrence, KS 71 pages |
1966 |
N/A
|
| Biorbia (Boraginaceae) in central U.S. Pliocene |
Segal, R.H. |
Kansas University Science Bulletin vol. 46, no. 15, pp. 495-508 |
1966 |
N/A
|
| Nomenclature changes in fossil species of Cryptantha |
Segal, R.H. |
Kansas Academy of Science, Transactions vol. 67, no. 1, p. 203 |
1964 |
N/A
|
| Taxonomic study of the fossil genus Biorbia (Boraginaceae) |
Segal, R.H. |
M.A. thesis, Department of Botany, University of Kansas, Lawrence, KS 30 pages |
1965 |
N/A
|
| Taxonomic study of the fossil species of the genus Cryptantha (Boraginaceae) |
Segal, R.H. |
Southwestern Naturalist vol. 11, no. 2, pp. 205-210 |
1966 |
N/A
|