| William Alphonso Murrill |
Algae; Cryptogams; Mycology; Spermatophytes; Phanerogams; Lichens |
| George V. Nash |
Spermatophytes; Lichens |
| Michael Harley Nee |
Spermatophytes; Solanaceae; Cucurbitaceae; Phanerogams; Bryophytes; Asteraceae; Lichens |
| Ghillean T. Prance |
Spermatophytes; Chrysobalanaceae; Bryophytes; Lichens |
| Clyde F. Reed |
Algae; Bryophytes; Pteridophytes; Spermatophytes; Lichens |
| William Dean Reese |
Bryophytes; Musci; Lichens |
| Clark T. Rogerson |
Mycology; Lichens |
| Henry H. Rusby |
Algae; Spermatophytes; Bryophytes; Lichens |
| Gary J. Samuels |
Mycology; Bryophytes; Lichens |
| Albert Schneider |
Algae; Lichens; Mycology |
| George W. Scotter |
Spermatophytes; Bryophytes; Lichens |
| Fred J. Seaver |
Mycology; Discomycetes; Lichens |
| John Kunkel Small |
Algae; Bryophytes; Pteridophytes; Spermatophytes; Lichens |
| Lyman B. Smith |
Spermatophytes; Pteridophytes; Lichens |
| Herbert H. Smith |
Spermatophytes; Bryophytes; Lichens |
| Albert C. Smith |
Algae; Spermatophytes; Pteridophytes; Bryophytes; Lichens |
| Richard Spruce |
Bryophytes; Pteridophytes; Spermatophytes; Lichens |
| William C. Steere |
Bryophytes; Lichens |
| Julian A. Steyermark |
Pteridophytes; Spermatophytes; Angiosperms; Bombacaceae; Bryophytes; Algae; Characeae; Lichens |
| George H. H. Tate |
Mammology; Spermatophytes; Bryophytes; Lichens |
| William Wayt Thomas |
Cyperaceae; Simaroubaceae; Spermatophytes; Bryophytes; Lichens |
| Raymond H. Torrey |
Spermatophytes; Bryophytes; Lichens |
| Erin Anne Tripp |
Acanthaceae; Algae; Bryophytes; Lichens; Spermatophytes |
| Edward Tuckerman |
Mycology; Pteridophytes; Spermatophytes; Lichens; Bryophytes |
| Arthur C. Waghorne |
Spermatophytes; Bryophytes; Lichens |