Parmelia mayi Divakar, A. Crespo, M. C. Molina

in Molina, Del-Prado, Divakar, Sánchez-Mata & Crespo, Organ. Divers. Evol. 11, 5: 340 (2011).
 

 

Protolog: "USA: Massachusetts; Berkshire county, Mount Washington township, Mount Everett, 75 - 150 m N to NNW of summit tower, 42° 06'N 73° 26'W, alt. 790 m, on trunk of Betula papyrifera, 13 October 2000, P. May 5443 (MAF-Lich 15767, holotypus; BM, GZU isotypus)" (xxx).
Type locality: USA, Massachusetts, Berkshire county, Mount Washington township, Mount Everett, 75 - 150 m N to NNW of summit tower, on trunk of Betula papyrifera, 790 m, 13 October 2000, P. May 5443 (MAF-Lich 15767 - holotype; BM, GZU - isotypes).
Barcode: Data lacking.
Coordinates: 42°06'N 73°26'W.

Thallus: foliose, adnate, up to 8 cm in diameter, lobes short, subirregular, imbricate; margins crenate to deeply notched, 2 - 4 wide. Upper surface grey, foveolate, pseudocyphellate and isidiate, without soralia. Pseudocyphellae laminal, effigurate, raised with white margin, up to 1 mm long, separate towards center but forming a subreticulate network towards periphery. Isidia laminal, crowded towards thallus center, cylindrical, simple to coralloid branched, brown tipped. Medulla white. Lower surface black with brown margin, rhizinate; rhizines evenly distributed, reaching the thallus margin, simple to furcate, up to 1.5 mm long. Apothecia and pycnidia not seen (Molina et al. 2011: 340).

Photobiont: Trebouxia.

Chemistry:

Ecology: