| Title | Flora of Trinidad and Tobago |
| Abbreviation | Fl. Trinidad & Tobago |
| Authors | R. O. Williams |
| Publication Dates | 1928-x |
| TL2 | 17.773 |
| Remarks | This flora was published in many parts with many authors. There is no overall editor. R. O. Williams was author of the first treatment and of many others. |
The Harvard University Herbaria hold 3 type specimens of taxa described in this publication
Maytenus monticola C. I. Sandwith ex R. O. Williams [Isotype] 1930, 1: 174Alibertia tobagensis Sprague & R. O. Williams [Syntype] 1928, 2: 20
Alibertia tobagensis Sprague & R. O. Williams [Type] 1928, 2: 20