Bull. Florida Museum Natural History 49, 4: 138 (2011).

Protolog: "Sicut Calopadia puiggarii apothecii pruinosis maioribusque differt. Type. - U.S.A. Florida. Collier Co.: Fakahatchee Strand Preserve State Park, Janes Scenic Drive 6.5 mi NNW of ranger station, west of old tram, Taxodium-Sabal hardwood hammock, slough and strand, on Taxodium branch, March 2009, Hodges s.n. (F, holotype)".

Type locality: USA, Florida, Collier County, Fakahatchee Strand Preserve State Park, Janes Scenic Drive 6.5 mi NNW of ranger station, west of old tram, Taxodium-Sabal hardwood hammock, slough and strand, on Taxodium branch, March 2009, Hodges s.n. (F - holotype).

Barcode: Data lacking.

Coordinates: 26°0'0?N, 81°25'1?W; 26, -81.416944.

Thallus: corticolous, 1-3 cm diam., 30-50 µm thick, centrally continuous but towards the margin with dispersed, irregular patches; surface uneven, white to pale gray. Apothecia sessile, rounded, 0.6-1.2 mm diam. and 250-350 µm high; disc plane to slightly convex, dark gray to brownish gray, coarsely white-pruinose; margin thin, pale gray to cream-colored. Excipulum paraplectenchymatous, 50-70 µm broad, colorless. Hypothecium 30-50 µm high, dark brown. Apothecial base aeruginous. Epithecium thin, 5-10 µm high, pale grayish brown. Hymenium 120-150 µm high, colorless. Paraphyses unbranched to slightly branched. Asci 100-120 x 25-30 µm. Ascospores single, ellipsoid, muriform, 50-80 x 17-25 µm, 3-4 times as long as broad, colorless. Campylidia sessile, 0.6-1.2 mm broad, 1-1.5 mm long; lobe well-developed, hood-shaped, dark gray with paler apex, white-pruinose; socle not apparent. Conidia filiform with clavate apex, 5-7 -septate, 50-70 x 1.5-2 µm (Lücking et al. 2011: 138).

Photobiont: Chlorococcoid green alga (Lücking et al. 2011: 138).

Chemistry: No lichen substances. No substances detected by TLC (Lücking et al. 2011: 138).

Ecology: On the smooth part of the bark of small Taxodium branches and partly on exposed areas of the wood bare of periderm, as well as on hardwood bark (Lücking et al. 2011: 138).

Molecular data: Genbank

Distribution: Known from two well-developed collections from Fakahatchee Strand Preserve State Park and Sumpter County. Database

Note: Mycobank #518000.