Parmelia schenckiana forma imperfecta Gyeln.

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

Number of records. 3. Locations. Northern Cape, state not noted. Substrata. rock. Collections. PREM van der Byl 1071, van der Byl 1127. Literature. Doidge (1950) page(s) 323; Gyelnik (1938) page(s) 289.