| Raymond M. Harley |
Algae; Lamiaceae; Spermatophytes; Bryophytes |
| Roland M. Harper |
Algae; Bryophytes; Pteridophytes; Spermatophytes |
| Robert A. Harper |
Algae; Fungi; Spermatophytes |
| William H. Harris |
Jamaica flora; Algae; Bryophytes; Mycology; Spermatophytes; Lichens |
| Richard Clinton Harris |
Algae; Lichens; Mycology |
| Gert Guenter Hatschbach |
Algae; Spermatophytes; Lichens |
| Amos Arthur Heller |
Algae; Bryophytes; Mycology; Pteridophytes; Spermatophytes |
| LeRoy K. Henry |
Algae; Mycology; Spermatophytes |
| Marshall A. Howe |
Algae; Bryophytes; Mycology |
| William Ashbrook Kellerman |
Algae; Bryophytes; Mycology; Spermatophytes |
| Ellsworth P. Killip |
Algae; Bryophytes; Pteridophytes; Spermatophytes; Lichens |
| Carl E. O. Kuntze |
Algae; Bryophytes; Pre-Linnaean; Spermatophytes |
| John B. Leiberg |
Algae; Bryophytes; Mycology; Spermatophytes |
| Frère León |
Algae; Bryophytes; Mycology; Pteridophytes; Spermatophytes |
| Charles L. Lesquereux |
Algae; Bryophytes; Fossils; Spermatophytes; Mosses |
| Alain H. Liogier |
Spermatophytes; Algae; Lichens |
| John Macoun |
All groups; Algae; Bryophytes; Mycology; Spermatophytes |
| Bassett Maguire |
Algae; Bryophytes; Pteridophytes; Spermatophytes; Lichens |
| Alfred J. McClatchie |
Algae; Bryophytes; Mycology; Spermatophytes |
| Ronald Leighton McGregor |
Algae; Bryophytes; Spermatophytes |
| Elmer Drew Merrill |
Algae; Bryophytes; Mycology; Pteridophytes; Spermatophytes; Lichens |
| Thomas Morong |
Algae; Spermatophytes; Mycology; Bryophytes |
| William Alphonso Murrill |
Algae; Cryptogams; Mycology; Spermatophytes; Phanerogams; Lichens |
| Elizabeth J. Neese |
Algae; Scrophulariaceae; Spermatophytes |
| Aven Nelson |
Algae; Mycology; Pteridophytes; Spermatophytes |