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Lichens (1985) - Flora of New Zealand Lichens
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Arthopyrenia suffusa (C.Knight) Müll.Arg.

A. suffusa (Knight) Müll. Arg., Bull. Herb. Boissier 2, App. 1: 89 (1894).

Verrucaria suffusa Knight, T.N.Z.I. 15: 356 (1883).

Lectotype: New Zealand. Sine loco (?Wellington). Charles Knight 20.1.1882, BM!

Thallus greyish-white, spreading in well defined patches 2-4 cm diam., continuous, shining in parts, ± cobwebby in others, effuse, limited by a ± prominent black line of prothallus, corticolous. Perithecia emergent, often veiled by cobwebby cortex, 0.05-0.3 mm diam., hemispherical, at length black, shining, ± carbonaceous, with a prominent, black, excavate apical pore. Ascospores oblong, 3-septate, 28 × 8 µm.

N: Known only from the type collection.

Endemic

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