| Discocalyx angustissima Merr. | M. Ramos 48201 | Philippines. Alabat Island. | | 05017050 |  |
| Discocalyx philippinensis (A.DC.) Mez | M. Ramos 48350 | Philippines. Alabat Island. | | 05017142 |  |
| Discocalyx | R. S. Williams 2602 | Philippines. S. E. Mindanao. | | 5023337 |  |
| Discocalyx philippinensis (A.DC.) Mez | R. S. Williams 1213 | Philippines. Benguet. Northern Luzon, Mount Santo Tomas. | | 05017147 |  |
| Discocalyx philippinensis (A.DC.) Mez | R. S. Williams 1213 | Philippines. Northern Luzon, Prov. Union, Mount Santo Tomas. | | 05017148 |  |
| Discocalyx philippinensis (A.DC.) Mez | R. S. Williams 405 | Philippines. Bataan. Central Luzon, Mt, Mariveles, Upper Lamao River. | | 05017146 |  |
| Discocalyx cybianthoides (A.DC.) Mez | R. S. Williams 410 | Philippines. Bataan. Central Luzon, Mt, Mariveles, Lamao River. | | 5017055 |  |
| Discocalyx cybianthoides (A.DC.) Mez | R. S. Williams 410 | Philippines. Bataan. Central Luzon, Mt, Mariveles, Lamao River. | | 5017056 |  |
| Discocalyx effusa Mez | R. S. Williams 1440 | Philippines. Benguet. Northern Luzon, Baguio. | | 5017068 |  |
| Discocalyx effusa Mez | R. S. Williams 1463 | Philippines. Northern Luzon, Prov. Benguet, Baguio. | | 5017066 |  |
| Discocalyx | R. S. Williams 1454 | Philippines. Benguet. Northern Luzon, Baguio. | | 5023339 |  |
| Discocalyx | R. S. Williams 1457 | Philippines. Benguet. Northern Luzon, Baguio. | | 5023340 |  |
| Discocalyx | R. S. Williams 1040 | Philippines. Northern Luzon, Prov. Union, Mount Santo Tomas. | | 5023338 |  |
| Discocalyx philippinensis (A.DC.) Mez | R. S. Williams 1040 | Philippines. Benguet. Northern Luzon, Mount Santo Tomas. | | 05023306 |  |
| Discocalyx cybianthoides (A.DC.) Mez | R. S. Williams 602 | Philippines. Bataan. Central Luzon, Mt, Mariveles, Lamao River. | | 5017039 |  |
| Discocalyx cybianthoides (A.DC.) Mez | R. S. Williams 602 | Philippines. Bataan. Central Luzon, Mt, Mariveles, Lamao River. | | 5017040 |  |
| Discocalyx | R. S. Williams 1441 | Philippines. Benguet. Northern Luzon, Baguio. | | 05023319 |  |
| Discocalyx | R. S. Williams 1441 | Philippines. Benguet. Northern Luzon, Baguio. | | 05023320 |  |
| Discocalyx philippinensis (A.DC.) Mez | R. S. Williams 614 | Philippines. Central Luzon, Mt, Mariveles, Upper Lamao River. | | 05017145 |  |
| Discocalyx | R. S. Williams 1349 | Philippines. Northern Luzon, Prov. Union, Mount Santo Tomas. | | 05023322 |  |