Flora of New Zealand Series

C. myriadella (Nyl.) D. Hawksw. et Dibben, Lichenologist 14: 99 (1982).

Lecidea myriadella Nyl., Bull. Soc. linn. Normandie sér. 2, 2: 80 (1868).

L. glabella Krempelh., Verhandl. zool.-bot. Ges. Wien 26: 457 (1876).

Phlyctis ocellata Knight, Trans. Linn. Soc. Lond. ser. 2, Bot. 1: 281 (1877).

Lectotype: New Zealand. Sine loco. W. Colenso 4550, H-NYL 21961b!

Lecidea glabella. Type: New Zealand. Sine loco (prob. Wellington). Charles Knight, M - not seen.

Phlyctis ocellata. Lectotype: New Zealand. Sine loco (prob. Wellington). Dr C. Knight, rec'd 11/83, BM!

Thallus pale greenish-grey or dull olive-greyish to whitish, corticate, roughened-uneven, shining in parts, matt, very thin, in patches, 1.5-3 cm diam., corticolous. Apothecia sessile, cupuliform, rarely semi-immersed, minute, rounded, 0.05-0.1(-0.2) mm diam., disc deeply concave, pale whitish-yellow to brownish, margins whitish, translucent when wet, entire, to ± inflexed. Ascospores fusiform, 5-7-septate, 12-16 per ascus, 20-25(-32) × 3.5-4.5(-5.0) µm.

N: Auckland to Wellington. Still rarely collected but should be looked for on the bark of Beilschmiedia, Dysoxylum, Macropiper, Melicytus and possibly other coastal trees in moderate to dense shade. It has similar habitat requirements to the genus Phlyctella.

Endemic

In earlier accounts of New Zealand lichens, C. myriadella was recorded as Secoliga carneola or Gyalecta carneola.