| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Rhododendron quadrasianum S.Vidal | |||||
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | |||||
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | |||||
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | B. F. Palser 6902 22 May 1969 | Philippines. Luzon. On slope above road below summit of Mt. Santo Thomas Near Baguio. |  | ||
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | B. F. Palser 6923 23 May 1969 | Philippines. Luzon. Along road between Baguio and Bontoc, near 20 km from Baguio. |  | ||
| Rhododendron quadrasianum S.Vidal | 4395088 |  | |||
| Rhododendron quadrasianum S.Vidal | 4395091 |  | |||
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | J. L. Rouse s.n. 30 Sep 1982 | Australia. Victoria. Melbourne City. | |||
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | A. D. E. Elmer 14285 | Philippines. Benguet. Baguio. | 4395085 |  | |
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | W. Klemme 872 | Philippines. Mt. Banahao, Prov. of Tayabas, Luzon. | 4395083 |  | |
| Rhododendron quadrasianum S.Vidal | R. S. Williams 2543 | Philippines. Mt. Apo, S. E. Mindanao. | 4395093 |  | |
| Rhododendron quadrasianum S.Vidal | A. D. E. Elmer 11656 | Philippines. Todaya (Mt. Apo). District of Davao, Island of Mindanao, forest basin of Apo, near Baclayan the camping place. | 4395094 |  | |
| Rhododendron quadrasianum S.Vidal | A. D. E. Elmer 13695 | Philippines. Cabadbaran (Mt. Urbaneta), Province of Agusan Island of Mindanao. | 4395069 |  | |
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | F. W. Darling 14453 | Philippines. Bontoc, Luzon. | 4395077 |  | |
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | R. S. Williams 1335 | Philippines. La Union. Mount Santo Tomas, Northern Luzon. | 4395078 |  | |
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | R. S. Williams 1335 | Philippines. La Union. Mount Santo Tomas, Northern Luzon. | 4395082 |  | |
| Rhododendron quadrasianum S.Vidal | A. D. E. Elmer 9738 | Philippines. Negros Oriental. Dumaguete (Cuernos Mts.) Island of Negros, about region of the crater. | 04395087 |  | |
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | M. Ramos 19588 | Philippines. Laguna. Mt. Banajao, Luzon. | 4395086 |  | |
| Rhododendron quadrasianum S.Vidal | A. D. E. Elmer 17488 | Philippines. Laguna. Los Baños (Mt. Maquiling), Island of Luzon. | 4395089 |  | |
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | A. D. E. Elmer 8588 | Philippines. Benguet. Baguio, Luzon, Near summit of Santo Thomas. | 4395080 |  | |
| Rhododendron quadrasianum S.Vidal | H. N. Whitford 278 | Philippines. Bataan. Lamao River, Mt. Mariveles, Luzon. | 4395090 |  | |
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | A. D. E. Elmer 22198 | Philippines. Pampanga. Camp Stotsenburg (Mt. Pinatubo), Luzon. | 4395075 |  | |
| Rhododendron quadrasianum S.Vidal | A. D. E. Elmer 6765 | Philippines. Bataan. Mt. Mariveles, Luzon. | 4395073 |  | |
| Rhododendron quadrasianum S.Vidal | E. D. Merrill 3215 | Philippines. Bataan. Lamao River, Mt. Mariveles, Luzon. | 4395071 |  | |
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | E. D. Merrill 4752 | Philippines. Benguet. Panai, Luzon. | 04395074 |  | |
| Rhododendron quadrasianum S.Vidal | R. S. Williams 2543 | Philippines. Mt. Apo, S.E. Mindanao. | 4395092 |  | |
| Rhododendron quadrasianum S.Vidal | J. Clemens 32448 | Malaysia. Sabah. Mount Kinabalu B. N. Borneo Panataran basin. | 4395063 |  | |
| Rhododendron quadrasianum S.Vidal | J. Clemens 27912 | Malaysia. Sabah. B. N. Borneo Mount Kinabalu, Upper Kinabalu. | 4395065 |  | |
| Rhododendron quadrasianum S.Vidal | J. Clemens 31944 | Malaysia. Sabah. Mount Kinabalu B. N. Borneo Penibukan. | 04395061 |  | |
| Rhododendron quadrasianum S.Vidal | J. Clemens 32707 | Malaysia. Sabah. Mount Kinabalu B. N. Borneo Mt. Nunkok. | 4395064 |  | |
| Rhododendron quadrasianum S.Vidal | J. L. Panero 6358 | Malaysia. Sabah. Ranau (District). Ranau. Mount Kinabalu National Park, along summit trail at helipad just below Layang Layang staff quarters. | 4395067 |  | |
| Rhododendron quadrasianum S.Vidal | J. Clemens 31692 | Malaysia. Sabah. Mount Kinabalu B. N. Borneo Kina Taki river. | 4395066 |  | |
| Rhododendron quadrasianum S.Vidal | J. Clemens 32326 | Malaysia. Sabah. Mount Kinabalu B. N. Borneo Spur S. Sadikan river Marai Parai. | 4395062 |  | |
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | F. W. Foxworthy 2537 | Philippines. Zambales. Mt. Pinatubo, Luzon. | 4395084 |  | |
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | R. C. McGregor 19736 | Philippines. Ifugao. Mt. Polis, Luzon. | 4395076 |  | |
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | A. D. E. Elmer 5798 | Philippines. Benguet. Baguio, Luzon. | 4395079 |  | |
| Rhododendron quadrasianum var. rosmarinifolium (S.Vidal) H.F.Copel. | A. D. E. Elmer 6377 | Philippines. Benguet. Baguio, Luzon. | 4395081 |  | |
| Rhododendron quadrasianum S.Vidal | E. A. Mearns 4705 | Philippines. Mt. Malindang, Prov. of Misamis, Mindanao. | 4395070 |  | |
| Rhododendron quadrasianum S.Vidal | E. D. Merrill 6158 | Philippines. Mt. Halcon, Mindoro. | 4395072 |  | |
| Rhododendron quadrasianum S.Vidal | 4395068 |  |
