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Lichens A-Pac (2007) - Flora of New Zealand Lichens - Revised Second Edition A-Pac
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Bacidia wellingtonii

B. wellingtonii (Stirt.) D.J.Galloway, N. Z. J. Bot. 21: 192 (1983).

=Lecidea wellingtonii Stirt., Bot. J. Linn. Soc. 14: 469 (1875).

=Bacidia spirospora C.Knight, Trans. N. Z. Inst. 12: 371 (1880).

≡Patellaria spirospora (C.Knight) Müll.Arg., Bull. Herb. Boissier 2, App. 1: 68 (1894).

=Bacidia melastegia C.Knight, Trans. N. Z. Inst. 12: 371 (1880).

≡Patellaria melastegia (C.Knight) Müll.Arg., Bull. Herb. Boissier 2, App. 1: 68 (1894).

=Bacidia spodoelaeina C.Knight, Trans. N. Z. Inst. 12: 373 (1880).

=Bacidia pannaroidea C.Knight, Trans. N. Z. Inst. 12: 374 (1880).

≡Psorella pannaroidea (C.Knight) Müll.Arg., Bull. Herb. Boissier 2, App. 1: 45 (1894).

=Lecidea delusa Nyl., Lich. Nov. Zel.: 95 (1888).

≡Psorella delusa (Nyl.) Müll.Arg., Bull. Herb. Boissier 2, App. 1: 45 (1894).

≡Bacidia delusa (Nyl.) Hellb., Bihang K. Svensk. Vetensk.-Akad. Handl. 21 (3/13): 100 (1896).

=Lecidea deflexa Nyl., Lich. Nov. Zel.: 100 (1888).

Lectotype: New Zealand. Near Wellington, 1/74, J. Buchanan – GLAM [fide Galloway (1985a: 36)].

Bacidia spirospora. Lectotype: New Zealand. Sine loco [probably Wellington], 6.x.77, Charles Knight – WELT, Herb. Knight Vol. 45A, p. 11 [fide Galloway (1985a: 36)].

Bacidia melastegia. Holotype: New Zealand. Sine loco [probably Wellington], 3.x.74, Charles Knight – WELT, Herb. Knight Vol. 47A, p. 8 [fide Galloway (1985a: 36)].

Bacidia spodoelaeina. Lectotype: New Zealand. Sine loco [probably Wellington], rec'd 11.83, Dr C. Knight – BM [fide Galloway (1985a: 36)]. Isolectotype – ?WELT.

Bacidia pannaroidea. Holotype. New Zealand. Sine loco [probably Wellington], Charles Knight – WELT Herb. Knight, Vol. 47A p. 20.[Another specimen in WELT, Herb. Knight, Vol. 47A, p. 19 is labelled by Knight "Lecidea rubello-carnea, 3.10.74", this herbarium name later changed by Knight to Bacidia pannaroidea].

Lecidea delusa. Syntypes: New Zealand. Sine loco [probably Wellington], Charles Knight sub "Bacidia pannaroidea" – H-NYL 17352, 17353.

Lecidea deflexa. Lectotype: New Zealand. Sine loco [probably Wellington], C. Knight ex Herb. J.M.Crombie – BM [fide Galloway (1985a: 36) – annotated by Knight as "Bacidia spirospora Kn."].

Description : Flora (1985: 35).

N: South Auckland (Bombay Hills, Rurima I.), Wellington. S: Canterbury. Probably widely distributed on bark of trees and shrubs in shaded, undisturbed, lowland habitats.

Endemic

Illustrations : Knight (1880: pl. XII, fig. 15 – as Bacidia spirospora; fig. 16 – as Bacidia melastegia; pl. XIII, fig. 28 – as Bacidia spodoelaeina; pl. XIII, fig. 31 – as Bacidia pannaroidea [the ascospore drawing in Knight (1880: pl. XIII, fig. 31B), is without septa, an oversight by the block-maker. Knight's drawing accompanying the holotype specimen has the septa clearly marked!].

Bacidia wellingtonii is characterised by: the corticolous habit; the pale olivaceous to fawnish yellow, areolate, minutely plicate, varnish-like to minutely roughened or papillate thallus, delimited by a narrow, black prothallus; sessile (occasionally subimmersed) to subpedicellate red-brown to brown-black apothecia; a granular blue-black epithecium; a massive yellow-brown hypothecium; and spirally curved, 10–18-septate ascospores, (50–)60–90 × (2–)3–4 μm.

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