Flora of New Zealand Series

≡Verrucaria subbiformis C.Knight, Trans. N. Z. Inst. 8: 326 (1876). Trans Linn. Soc. ser. 2, Bot. 1: 279 (1877).

≡Arthopyrenia subbiformis (C.Knight) Müll.Arg., Bull. Soc. Roy. Bot. Belg. 31 (2): 40 (1892).

=Verrucaria pruinogrisea C.Knight, Trans. N. Z. Inst. 8: 326 (1876). Trans Linn. Soc. ser. 2, Bot. 1: 279 (1877).

=Verrucaria retifera Stirt., Proc. phil. Soc. Glasgow 10: 303 (1877).

≡Porina retifera (Stirt.) Müll.Arg., Bull. Herb. Boissier 2, App. 1: 91 (1894).

≡Segestria retifera (Stirt.) Hellb., Bih. K. Sv. Vet.-Akad. Handl. 21 (3/13): 132 (1896).

Lectotype: New Zealand. Sine loco [probably Wellington], Charles Knight ex Herb. J.M.Crombie – BM [fide Galloway (1985a: 17)]. G, M, UPS, WELT – isolectotypes.

Verrucaria pruinogrisea. Type: New Zealand. Sine loco [probably Wellington], Charles Knight – WELT not seen.

Verrucaria retifera. Lectotype: New Zealand. Near Wellington, J. Buchanan – BM [here selected].

Description : Flora (1985: 16–17 – as Arthopyrenia subbiformis).

N: Wellington. Known only from the type collections.

Endemic

Illustrations : Knight (1876: pl. X, fig. 22 – as Verrucaria subbiformis and V. pruinogrisea; 1877: pl. XXXVII, fig. 22 – as Verrucaria subbiformis; pl. XXXVII, fig. 25 – as Verrucaria pruinogrisea).

Anisomeridium subbiforme is characterised by: the corticolous habit; prominent black, hemispherical perithecia; and fusiform to oblong-fusiform, 1-septate ascospores, 16–25 × 6–7 μm.