Physarum compressum
Alb. & Schwein.
UCR 140. Place of collection: Costa Rica; San José; San Pédro; Sabanilla; Cinco Esquinas; San Ramón de Tres Ríos. Date of collection: 10 August 1963. Associated organisms: Plantae indet. (plant); Reptilia ord.indet. (dung). Collector: Sáenz R., J.A..