Peltula nigrotestudinea Aptroot & M. Cáceres, 2021

Aptroot, André, A, Lidiane, Santos, lves dos, E, Marcela, S, ugenia da & Cáceres, ilva, 2021, Saxicolous lichens in the semi-arid Caatinga in Brazil show substratum shifts, Cryptogamie, Mycologie 20 (11), pp. 181-189 : 186

publication ID	https://doi.org/10.5252/cryptogamie-mycologie2021v42a11
DOI	https://doi.org/10.5281/zenodo.7815197
persistent identifier	https://treatment.plazi.org/id/EA637235-FFF5-1877-FF5E-66ABFBD4FD76
treatment provided by	Felipe (2023-04-11 01:26:32, last updated 2024-11-27 07:39:57)
scientific name	Peltula nigrotestudinea Aptroot & M. Cáceres
status	sp. nov.

Treatment

Peltula nigrotestudinea Aptroot & M. Cáceres View in CoL , sp. nov.

( Fig. 3A, B View FIG )

Saxicolous Peltula with thallus almost black, consisting of angular, flattened, thick areoles with large interspaces between them.

MYCOBANK NO. — MB 839716.

GENBANK. — MZ198741 View Materials .

TYPE. — Brazil, Sergipe, Poço Redondo, Cajueiros , Trilha Ecoparque , 09°39’43”S, 43°40’18”W, on exposed granite, 15.XI.2018, M. Cáceres & A. Aptroot (holo-, ISE [ ISE48066 ]; GoogleMaps iso-, ABL).

DESCRIPTION

Thallus

Spreading, covering an area of up to 5 cm diam., c. 0.4 mm thick, containing of areoles with large interspaces between them, closely appressed, almost black; areoles angular, rather irregularly shaped, c. 0.6-1.2 mm diam., flat, marginal areoles not elongated; sides somewhat rounded; attachment area roughly of similar size as upper surface; not distinctly pulvinate or turbinate.

Apothecia and pycnidia

Not observed.

CHEMISTRY. — No secondary substances detected.

ECOLOGY AND DISTRIBUTION. — On exposed granite in Caatinga. Known only from Brazil.

Figures

FIG. 3. — Peltula nigrotestudinea Aptroot & M. Cáceres, sp. nov., holotype: A, habitus on top of granite boulder, with a Xanthoparmelia; B, detail showing thallus areoles. Scale bars: 1 mm.