Parmelia schenckiana forma imperfecta Gyeln.
Selection criteria. Country: any country. Associated organism: any (distribution map)
Number of records. 3.
Countries. South Africa.
Substrata. rock.
Collections. PREM van der Byl 1071, van der Byl 1127.
Literature. Doidge (1950) page(s) 323; Gyelnik (1938) page(s) 289.