| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Macrocentrum gesneriaceum Sandwith | K. M. Redden 5001 with C. Perry, P. Benjamin, D. Singh, C. Wilkie, C. Hinchliff, 6 Oct 2006 | Guyana. Cuyuni-Mazaruni. Aruwai Falls, Mazaruni river on river edge below rapids. | |||
| Macrocentrum gesneriaceum Sandwith | R. A. Altson 358 Aug 1925 | Guyana. Cuyuni-Mazaruni. Macreba Falls, Kurutung River. | |||
| Macrocentrum gesneriaceum Sandwith | K. M. Redden 5001 with C. Perry, et al., 06 Oct 2006 | Guyana. Cuyuni-Mazaruni. Aruwai Falls, Mazaruni river on river edge below rapids. | 02487783 |  | |
| Macrocentrum gesneriaceum Sandwith | K. M. Redden 1462 with C. Perry & C. Paul, 22 Jan 2004 | Guyana. Cuyuni-Mazaruni. Pakaraima Mts., Imbaimadai, Karowrieng River. Unnamed waterfall, 3.16 miles E of Base Camp 1. | 02487784 |  | |
| Macrocentrum gesneriaceum Sandwith | K. M. Redden 2061 with R. Williams, et al., 22 Feb 2004 | Guyana. Cuyuni-Mazaruni. Pakaraima Mts., Mazaruni River, just above ABC Falls. Trail 2.03 miles SW of Base Camp 6 heading E to mining camp site. Trail turn-off leading to Chibama Landing. Moist forest. | 02487785 |  | |
| Macrocentrum gesneriaceum Sandwith | B. Maguire 32390 with Fanshawe, D.B., 29 Oct 1951 - 04 Nov 1951 | Guyana. | 02487788 |  | |
| Macrocentrum gesneriaceum Sandwith | P. J. M. Maas 2631 with H. Maas, R. Boyan, 22 Aug 1977 | Guyana. Cuyuni-Mazaruni. Mt. Latipu, 15 km N of Kamarang (Mazaruni R.). | |||
| Macrocentrum gesneriaceum Sandwith | P. J. M. Maas 4439 with L. Y. Th. Westra, 14 Nov 1979 | Guyana. Cuyuni-Mazaruni. Mt. Korak, Pakaraima Mts. (Mazaruni R). | |||
| Macrocentrum gesneriaceum Sandwith | P. J. M. Maas 4439 with L. Y. Th. Westra, 14 Nov 1979 | Guyana. Cuyuni-Mazaruni. Mt. Korak, Pakaraima Mts. (Mazaruni R). | 02487789 |  | |
| Macrocentrum gesneriaceum Sandwith | B. Maguire 32273 with D. B. Fanshawe, 25 Oct 1951 | Guyana. Cuyuni-Mazaruni. Maipuri Falls, Karaurieng River, Imbaimadai savannas, upper Mazaruni River. | |||
| Macrocentrum gesneriaceum Sandwith | B. Maguire 32390 with D. B. Fanshawe, 29 Oct 1951 - 4 Nov 1951 | Guyana. Cuyuni-Mazaruni. Membaru-Kurupung Trail, Pakaraima Mts. | |||
| Macrocentrum gesneriaceum Sandwith | B. Maguire 32273 with Fanshawe, D.B., 25 Oct 1951 | Guyana. Upper Mazaruni River, in spray of Maipuri falls, Karaurieng River. | 02487786 |  | |
| Macrocentrum gesneriaceum Sandwith | K. M. Redden 1462 with C. Perry, C. Paul, 22 Jan 2004 | Guyana. Cuyuni-Mazaruni. Pakaraima Mts., Imbaimadai, Karowrieng River. Unnamed waterfall, 3.16 miles E of Base Camp 1. | |||
| Macrocentrum gesneriaceum Sandwith | K. M. Redden 2061 with R. Williams, C. Perry, C. Paul, 22 Feb 2004 | Guyana. Cuyuni-Mazaruni. Pakaraima Mts., Mazaruni River, just above ABC Falls. Trail 2.03 miles SW of Base Camp 6 heading E to mining camp site. Trail turn-off leading to Chibama Landing. Moist forest. |
