| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Lactarius plinthofragilis Methven & Halling | A. E. Franco-Molano 1088 with R. E. Halling, Mueller, Strack & Umaña, 04 Nov 1993 | Costa Rica. Cartago. Cañon. E of Interamerican highway at La Esperanza de Guarco. | 119081 | ||
| Lactarius plinthofragilis Methven & Halling | A. E. Franco-Molano 1164 with R. E. Halling, Umaña & M. Mata, 26 Nov 1994 | Costa Rica. Cartago. Cañon. E of Interamerican highway at La Esperanza de Guarco. | 119082 | ||
| Lactarius plinthofragilis Methven & Halling | R. E. Halling 5264 with G. Mueller, A.E. Franco-Molano, 15 May 1987 | Colombia. Antioquia. Municipio Guarne, Centro Experimental Piedras Blancas, 14 km E of Medellin. | 02072690 |  | |
| Lactarius plinthofragilis Methven & Halling | R. E. Halling 6076 with D. Desjardin, A.E. Franco-Molano, 10 Nov 1988 | Colombia. Antioquia. Municipio Guarne, Centro Experimental Piedras Blancas, 14 km E of Medellin. | 02072658 | ||
| Lactarius plinthofragilis Methven & Halling | R. E. Halling 7138 with G. Mueller, Ana E. Franco-Molano, B. Strack, Mata & L. Umaña, 06 Nov 1993 | Costa Rica. San José. Dota (Canton). San Gerardo. ±5 km SW of Cerro de la Muerte, Albergue de Montaña, Savegre. | 119080 |  | |
| Lactarius plinthofragilis Methven & Halling | R. E. Halling 7655 with J. Ammirati & M. Mata, 09 Jun 1996 | Costa Rica. San José. Pérez Zeledón (Canton). Villa Mills. Finca Alejandrina, along Interamerican Highway at km 95 near Hotel La Georgina. | 146573 |  |
