Thallus thick, rimose-areolate; cream-brown or yellow-orange; medulla I-.
Apothecia 0.5-1.5 mm diam., numerous, ±regularly scattered, solitary , innate, rounded, ▒ flat; margin excluded; disc dark brown, paler when wet, matt, glabrous ; epithecium 6-12 Ám thick, pale brown; exciple ±excluded and barely visible; hymenium dark brown, 90-105 Ám tall. Paraphyses slender, only slightly swollen at apex, branched and anastomosing. Ascospores 22-25 x 6-9 Ám.
Conidiomata: usually present along the thallus margin adjacent to other thalli; conidia filiform, 25-30 x 1 µm.
Chemistry: Not known.
Ecology and Distribution: On ±inundated, siliceous rocks. South America. Isla Wellington (west coast of Chile), Falkland Islands.
Remarks: Microscopically, the apothecia of this species resemble those of Porpidia superba. However, it is readily distinguished from that species by its innate apothecia, smooth pale brownish thallus, and filiform conidia.
Search for this species on: