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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
Hypotrachyna radiculata (Kurok.) Elix
  Australas. Lichenol. 48: 35 (2001)
Parmelia radiculata Kurok., Studies Crypt. Papua New Guinea 139 (1979); Parmelinopsis radiculata (Kurok.) Elix & Hale, Mycotaxon 29: 243 (1987). T: en route from Woitape Airstrip to the summit of Mt Albert Edward, Central District, Papua New Guinea, 23 Jan. 1974, H.Kashiwadani 11724; holo: TNS; iso: CANB.
  Thallus loosely adnate to adnate, to 4–8 cm wide. Lobes imbricate, sublinear-elongate, subirregularly branched, 3–5 mm wide; margins occasionally crenate; cilia sparse, simple, to 1 mm long. Upper surface whitish to greenish grey, shiny, emaculate, smooth, without pustules and isidia; soralia terminal or subterminal, ±capitate; soredia granular. Medulla white. Lower surface black; rhizines dense, simple, black. Apothecia and pycnidia not seen. CHEMISTRY: cortex K+ yellow; medulla K+ yellow then red, C-, KC-, P+ orange-red; containing atranorin, chloroatranorin, salazinic acid (major) and consalazinic acid (minor).
  A rare species on branches of trees and on dead wood in Qld; also occurs in Papua New Guinea.  
  Elix (1994r)  

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

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