| Report on the flora of western and southern Texas V Havard (1885) Proceedings of The United States National Museum 8: 449-533 | |
| ∑Miocene fossil woods from the Columbia basalts of Central Washington. J. Arnold Arb. 42: 165--203. U & E S Barghoorn Prakash (1961) Journal of the Arnold Arboretum 42: 165-203 | |
| The genera of Acanthaceae in the southeastern United States R W Long (1970) Journal of the Arnold Arboretum 51: 257-309 | |
| Two new species of bagworm moths from Venezuela with special remarks on reproductive morphology in Psychidae (Lepidoptera: Psychidae) (1975) Proceedings of The Entomological Society of Washington 77: 66-77 | |
| Additional notes on the genus Vitex. XV H N Moldenke (1979) Phytologia 44: 474-498 | |
| Texas species of Ruellia (Acanthaceae) B L Turner (1991) Phytologia 71: 281-299 | |
| The Acanthaceae of California and the peninsula of Baja California Thomas F Daniel (1997) Proceedings of the California Academy of Sciences 49(10): 309-403 |