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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
Trypethelium ochroleucum (Eschw.) Nyl.

Flora 52: 126 (1869)

Verrucaria ochroleuca Eschw., in C.F.P. von Martius, Icon. Sel. Pl. Crypt. 2: 16, t. 8, figs 3, 4 (1828).

T: Caetité, Bahia, Brazil, C.F.P. von Martius; lecto: M n.v., fide R.C.Harris, Acta Amazon. (Suppl.) 14: 75 (‘1984’) [1986].

  Thallus grey to greyish green, smooth. Ascomata largely immersed in pseudostromata. Pseudostromata not or only slightly raised, cream-coloured, often completely covered by the thallus. Hamathecium not inspersed. Ascospores 3-septate, 20–25 × 7–10 μm.
CHEMISTRY: Thallus and pseudostromata UV+ yellow, K–; containing lichexanthone (or 1,8-dihydroxy-3,6-dimethoxyxanthone).
  Corticolous and rather common in north-eastern Qld. Pantropical, mostly in open, lowland habitats.  
  Aptroot (2009d)  

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

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