Flora of New Zealand Series

S. affinis (A.Massal.) R.C.Harris in D.L. Hawksworth, P.W. James & B.J. Coppins, Lichenologist 12 (1): 107 (1980).

≡Sagedia affinis A.Massal., Mem. Lich.: 138 (1853).

=Porina rhodinula Zahlbr., Denkschr. Akad. Wiss. Wien Math.-Naturwiss. Kl. 104: 254 (1941).

Porina rhodinula. Lectotype: New Zealand. South I., Marlborough, Chalk Ra. on limestone, iii.1934, J.S. Thomson T1530 – CHR 374647 [fide Galloway (1985a: 416)]. Isolectotypes – OTA 029090; W (McCarthy 1993b: 121).

Description : Flora (1985: 416 – as Porina rhodinula).

S: Marlborough (Chalk Ra.). On limestone, still poorly collected and understood in New Zealand. Known also from temperate areas of the Northern Hemisphere (Nimis 1993; van den Boom 1999; Diederich & Sérusiaux 2000; Hafellner & Türk 2001; Scholz 2000; Llimona & Hladun 2001).

Cosmopolitan

Illustrations : Roux & Bricaud (1993: 119, fig. 2A; 122, fig. 6F; 123, fig. 7B; 127, fig. 9M); Boqueras (2000: 415, fig. 69F).

Strigula affinis is characterised by: the saxicolous (limestone) habit; a black, well-developed involucrellum, 0.26–0.38 mm diam.; 1–3–5-septate ascospores, 15.5–26.5 × 4.5–8.5 μm; 3-septate macroconidia, 12–21 × 2.5–3.5 μm.