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Lichens (1985) - Flora of New Zealand Lichens
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Arthonia indistincta C.Knight & Mitt.

A. indistincta Knight et Mitten, Trans. Linn. Soc. Lond. 23: 105 (1860).

A. myophaena Krempelh., Verhandl. zool.-bot. Ges. Wien 26: 459 (1876).

Lectotype: New Zealand. Sine loco (prob. Auckland). Dr. Charles Knight, 1858, BM!

A. myophaena. Type: New Zealand. Sine loco. Charles Knight. M - not seen.

Thallus yellow-brownish or olivaceous to greyish-black, thin, matt or minutely cobwebby or faint pruinose, areolate-cracked, cracks often in parallel lines. Ascocarps numerous, very minute, irregular, subpunctiform to elongate-oblong, often in parallel lines, simple or branched, margin ragged and obscure, to 2 mm long, innate not raised above thallus. Ascospores 3-septate, oblong, constricted centrally, 27-28 × 9-10 µm.

N: ?Auckland. Five collections of Charles Knight in BM.

Endemic

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