| Name | Clifford, Harold Trevor |
| Date of birth | 1927 |
| Remarks | [author note: BRIU; monocotyledons, especially Poaceae] |
| ASA Botanist ID | 173566 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f7658a28-3c38-465b-b7cf-f7d62dec9d0c |
| Variant name | Harold Trevor Clifford |
| Author name | Clifford |
| B & P Author Abbrev. | Clifford |
| Standard/Label Name | Clifford |
| Full Name | Clifford, Harold Trevor |
| Geography Author | Australia (Country), Nigeria |
| Specialty Author | Bryophytes |
| Specialty Author | Fossils |
| Specialty Author | Spermatophytes |
| Citation as Author | Authors of Plant Names. Royal Botanic Gardens, Kew |
| Citation as Author | Index Herbariorum. Part 1: The Herbaria of the World. Eighth Edition. Bronx, NY |
| Member of teams/groups | |
| Collector Teams: | R. M. T. Dahlgren & H. T. Clifford |
| Author Teams: | R. Dahlgren & H. Clifford |