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Australian Biological Resources Study

Checklist of the Lichens of Australia and its Island Territories
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References
Chrysothrix tchupalensis Elix & Kantvilas

Lichenologist 39: 365 (2007)

T: Tchupala Falls, Wooroonooran Natl Park, 34 km W of Innisfail, Qld, 17°36’25”S, 145°46’44”E, 360 m, on sheltered rocks below falls in tropical rainforest, 29 July 2006, P.M.McCarthy & J.A.Elix 36691; holo: BRI; iso: CANB, HO.

  Thallus crustose-leprose, bright lemon-yellow, stratified at least in part, very loosely adnate, delimited or not, forming small irregularly roundish convex cushions 5–10 mm wide which eventually coalesce into irregularly spreading patches to 5 cm wide. Soredia coarse, with scattered to pulverulent granules, ±spherical, 60–160 μm wide. Medulla distinct in part, almost byssoid, yellow in the upper part, almost white within, to 1.5 mm thick. Photobiont cells ±globose, 10–18 μm wide, solitary or clustered. Prothallus pale grey-white to black. Apothecia not seen.
CHEMISTRY: Thallus K–, C–, KC–, P–, UV+ pale orange; containing leprapinic acid (major), 4,5-dichlorolichexanthone (minor).
  This endemic, saxicolous species is known only from the type locality in north-eastern Qld.  
  Elix (2009d)  

Checklist Index
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References

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