| Title | University of Kansas Science Bulletin |
| Abbreviation | Univ. Kansas Sci. Bull. |
| Publication Dates | Vol. 1+, 1902+ |
| BPH | 936.14 |
The Harvard University Herbaria hold 5 type specimens of taxa cited in this publication
Porophyllum greggii A. Gray [Lectotype] 1969, 48: 251Porophyllum crassifolium S. Watson [Isolectotype (Isolectotype designation)] 1969, 48(7): 259
Porophyllum greggii A. Gray [Isolectotype (Isolectotype designation)] 1969, 48: 251
Porophyllum scoparium A. Gray [Isolectotype (step 1)] 1969, 48: 250
Porophyllum scoparium A. Gray [Isolectotype (step 1)] 1969, 48: 250