| Gesneriaceae | |
Rhynchoglossum ampliatum
| (C.B. Clarke) B.L. Burtt | Notes Roy. Bot. Gard. Edinburgh 24: 168 | 1962 |
| Gesneriaceae | |
Rhynchoglossum azureum
| (Schltdl.) B.L. Burtt | Notes Roy. Bot. Gard. Edinburgh 24(2): 168 | 1962 |
| Gesneriaceae | |
Rhynchoglossum borneense
| Merr. | Univ. Calif. Publ. Bot. 15: 269 | 1929 |
| Gesneriaceae | |
Rhynchoglossum capsulare
| Ohwi ex Karton. | Edinburgh J. Bot. 69(2): 358–360 | 2012 |
| Gesneriaceae | |
Rhynchoglossum gardneri
| W.L. Theob. & Grupe | Ceylon J. Sci., Biol. Sci. 10: 70 | 1972 |
| Gesneriaceae | |
Rhynchoglossum grandiflorum
| (Fritsch) B.L. Burtt | Notes Roy. Bot. Gard. Edinburgh 24(2): 169 | 1962 |
| Gesneriaceae | |
Rhynchoglossum hologlossum
| Hayata | Icon. Pl. Formosan. 5: 131–133, pl. 11 | 1915 |
| Gesneriaceae | |
Rhynchoglossum klugioides
| C.B. Clarke | Monogr. Phan. 5(1): 163 | 1883 |
| Gesneriaceae | |
Rhynchoglossum lazulinum
| A.S. Rao & J. Joseph | Bull. Bot. Surv. India 9: 280–282, f. 1–6 | 1967 |
| Gesneriaceae | |
Rhynchoglossum medusothrix
| B.L. Burtt | Notes Roy. Bot. Gard. Edinburgh 24(2): 169 | |
| Gesneriaceae | |
Rhynchoglossum merrilliae
| Kraenzl. | Philipp. J. Sci., C. 8: 168 | 1913 |
| Gesneriaceae | |
Rhynchoglossum notonianum
| (Wall.) B.L. Burtt | Notes Roy. Bot. Gard. Edinburgh 24(2): 170 | 1962 |
| Gesneriaceae | |
Rhynchoglossum obliquum
| Blume | Bijdr. Fl. Ned. Ind. (14): 741 | 1826 |
| Gesneriaceae | * |
Rhynchoglossum obliquum
| (Wall.) A. DC. | Prodr. 9: 275 | 1845 |
| Gesneriaceae | |
Rhynchoglossum omeiense
| W.T. Wang | Bull. Bot. Res., Harbin 2(2): 148–150 | 1982 |
| Gesneriaceae | |
Rhynchoglossum papuae
| Schltr. | Bot. Jahrb. Syst. 58: 299 | 1923 |
| Gesneriaceae | |
Rhynchoglossum sasakii
| Hayata | Icon. Pl. Formosan. 6: 34–35 | 1916 |
| Gesneriaceae | |
Rhynchoglossum scabrum
| Dalzell | Hooker's J. Bot. Kew Gard. Misc. 2: 140 | 1850 |
| Gesneriaceae | |
Rhynchoglossum spumosum
| Elmer | Leafl. Philipp. Bot. 2: 564 | 1908 |
| Gesneriaceae | |
Rhynchoglossum violaceum
| (Fritsch) B.L. Burtt | Notes Roy. Bot. Gard. Edinburgh 24(2): 169 | 1962 |
| Gesneriaceae | |
Rhynchoglossum zeylanicum
| Hook. | Bot. Mag. 71: , pl. 4198 | 1845 |