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Lichens (1985) - Flora of New Zealand Lichens
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Arthonia knightii Zahlbr.

A. knightii Zahlbr., Cat. lich. univ. 2: 58 (1922).

A. lecideoides Knight, T.N.Z.I. 15: 352 (1883) , non Th. Fr. [ Gen. Heterolich. eur. recog.: 97 (1861) ].

Type: New Zealand. Sine loco. Charles Knight, ?WELT - not seen.

Thallus uniform, smooth or powdery-furfuraceous to byssoid olivaceous. Ascocarps pseudo-lecideine, sessile, rounded-deformed, plane to subconvex, black, immarginate, 1 mm diam. Ascospores 3-7-septate colourless to brownish at maturity, end cell largest, 23 × 8 µm.

N: known only from the type collection (?Wellington).

Endemic

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