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Lichina confinis (O. F. Muller) C. Agardh
Family: Lichinaceae
[Clathroporina confinis Müll. Arg.,  more]
Lichina confinis image

Global occurrence: Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Arctic.  Substrate: rock, stones, pebbles – unspecified.  Life habit: lichenized (mutualistic with algal photobionts).  Thallus: fruticose (fruticous), shrub-like, beard-like; thallus: continuous, diffuse, effuse; [th] upper surface: black(ish) | green(ish) brown (olive brown); [th upper surface]: epruinose; [th marginal and upper surface] specific structures: absent; [th] morphol substructures (eg areoles, lobes, branches) width [mm]: (min) 0.3.  Ascomata: absent | present; ascoma: apothecial, apothecioid – hymenial; ascoma [mm]: (min) 0.5; ascoma: immersed, innate; [ascm] paraphyses/-oids: present.  Asci: prototunicate; [asc] tholus: not thickened. Ascospores: (median) 8.0; [asp] shape: ellipsoidal; [asp] length [µm]: (low) 12.0 (high) 18.0; [asp] width [µm]: (low) 10.0 (high) 15.0; [asp] septa: absent – spore lumen unilocular, monolocular; [asp] pigmentation: hyaline, colourless.  Secondary metabolites: absent.  Primary photobiont: present, cyanobacterial.  Secondary photobionts (eg in cephalodia): absent.