Collema aggregatum (Ach.) Rohl.

Selection criteria. Country: any country. Associated organism: any (distribution map)

Number of records. 9. Countries. South Africa, Zimbabwe. Associated organism. Plantae indet. (tree). Collections. PREM 274, 1555, van der Byl 230, van der Byl 574. Literature. Byl (1931) page(s) 9; Byl (1935) page(s) 3; Doidge (1950) page(s) 250; Zahlbruckner (1925) page(s) 32.