Clathroporina exocha (Nyl.) Müll.Arg.
Verrucaria exocha Nyl., Flora 52: 125 (1869).
Verrucaria wellingtonii Stirton, Rep. Trans. Glasgow Soc. Fld Nat. 1: 20 (1873).
Porina pustulosa Krempelh., Verhandl. zool.-bot. Ges. Wien 26: 459 (1876).
Verrucaria perfragilis Nyl., Lich. N.Z.: 128 (1888).
Clathroporina saxatilis Zahlbt., Denkschr. Akad. Wiss. Wein math.-naturwiss. Kl. 104: 254 (1941).
Lectotype: New Zealand. Sine loco. Charles Knight, 1867, H-NYL 1591!
Verrucaria wellingtonii. Lectotype: New Zealand. Near Wellington. J. Buchanan, GLAM! Porina pustulosa. Lectotype: New Zealand. Sine loco (prob. Wellington). Charles Knight, M 123-80/2!
Verrucaria perfragilis. Type: New Zealand. Sine loco. Sine coll., H-NYL - not seen.
C. saxatilis. Lectotype: New Zealand. North Auckland, Hen and Chickens I., on coastal rocks. L. B. Moore ZA 262, CHR 379756!
Thallus spreading in irregular pathces 5-12(-20) cm diam., corticolous or saxicolous, easily peeled off substrate at maturity, thin (0.9 mm thick), brittle, raised in irregular mounds, olive-green to yellowish-green or buff, dark glaucous green in shade, or shining in parts, wrinkled uneven. Lower surface matt, corticate, brownish-yellow, or buff, bullate-uneven. Prothallus marginal, pale brownish or whitish, crenulate 0.2-0.8 mm wide. Perithecia immersed, globose, in raised tubercles 0.5-0.8(-1.2) mm diam., ostiole brown or brown-black, depressed, at first closed, then open. Ascospores 8 per ascus, colourless, fusiform-ellipsoid, apices slightly apiculate or rounded, muriform, 20-24 locular in c. 6 vertical series, 40-150 × 22-40 µm.
N: Three Kings Is to Wellington. Mainly coastal in humid localities in deep shade. A frequent epiphyte on the boles of Beilschmiedia tawa
Australasian
