Type:—TANZANIA. Morogoro Region: Submontane rainforest on the SE slope of Mt. Kanga, along Mkange stream, 850–1200 m, foliicolous, March 1989, Farkas 89110 (holotype PRA).

Thallus foliicolous or corticolous, continuous or marginally dispersed into rounded, confluent patches, up to 50 mm across and 20–40 μm thick, ecorticate, smooth, pale grey to brownish grey. Apothecia rounded, 0.5–1 mm diameter and 250–350 μm high; disc initially plane but becoming convex in old apothecia, light brown and with thick, pale yellowish to creme-coloured pruina; margin distinct, rather thick and prominent when young, creme-coloured. Excipulum 40–70 μm broad. Hypothecium 50–100 μm high, light brown. Apothecial base sordid brown to aeruginous. Epithecium thin, 5–10 μm high, granular, pale yellowish brown. Hymenium
100–130 μm high, colourless. Asci 90–110 × 30–35 μm. Ascospores single, oblong-ellipsoid, muriform, 50–80 × (15–)20–30 μm, 2.5–4 times as long as broad, colourless. Campylidia sessile, 0.4–0.6 mm broad; lobe well-developed, hood-shaped, grey but white to pale yellow pruinose; socle not apparent. Conidia filiform with clavate apex, 3–7-septate, 40–60 × 1–1.5 μm.

Distribution and habitat:—The new species appears to have a wide tropical distribution, as it has also been found in collections from Costa Rica and the Galápagos Islands (Bungartz et al. unpubl. data). The available collections are either foliicolous or corticolous and found in more or less exposed microsites at low to mid elevations.

Etymology:— Antonín Vĕzda wished to dedicate this beautiful species to the Hungarian lichenologist Edit Farkas, but due to illness did not have the opportunity to formally publish it before he died in 2008. Since we have, meanwhile, found the species in several localities across the tropics, we take up Vĕzda's original name for this taxon and validate it here.

Additional specimen examined (paratype):—COSTA RICA. Limón: Gandoca-Manzanillo Wildlife Refuge, Manzanillo Section (La Amistad Caribe Conservation Area), Manzanillo, Lücking 17098a (F, INB).
Calopadia editae is externally similar to C. perpallida (Nyl.) Vĕzda, another pantropical species. However, the ascospores in the latter are longer and mostly exceed 100 μm in length. The ascospores of C. editae are similar in size to those of C. fusca (Müll.Arg.) Vĕzda and relatives, but these species lack pruina on the apothecia (Lücking 2008).

from:
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