Arthonia isidiata

TaxonavigationEdit

Taxonavigation: Arthoniales 

Superregnum: Eukaryota
Regnum: Fungi
Subregnum: Dikarya
Divisio: Ascomycota
Subdivisio: Pezizomycotina
Classis: Arthoniomycetes
Ordo: Arthoniales

Familia: Arthoniaceae
Genus: Arthonia
Species: Arthonia isidiata

NameEdit

Arthonia isidiata Grube, Lücking & L. Umaña, 2004


Diagnosis: Thallus viridis vel pallide viridulus, continuus vel leviter dispersus, laevis et nitidus, isidiis e superficie emergentibus praeditus. Isidia cylindrica vel torulosa, simplicia vel coralliformia, usque ad 400 µm alta et 20–30 µm diametro. Ascomata nigra, maculiformia, irregulariter orbicularia, usque ad 2.5 mm diametro. Asci saepe infirme evoluti, late clavati, 55–65 x 28–35 µm, tunica laterali crassa stipitem versus attenuata, octospori. Ascosporae anguste ovoideae, 28–37 x 10–13 µm, hyalinae, brunneae ubi senescentes, (3)5–6(8)-septatae.

Typus: COSTA RICA. Puntarenas. Parque Nacional Corcovado (AC Osa); Estación Biológica Sirena; 160 km SSE of San José and 50 km WSW of Golfito; Sirena and Guanacaste round trail NW of station, 8°29'N, 83°35'W, sea level, lowland and coastal rain-forest zone, old-growth coastal secondary forest and primary forest remnants on sandy soil, on bark (stem), April 7, 2003, M. Grube 11531 (INB 0003722807, holotype; GZU, isotype).

Substrate: Smooth bark of smaller, often young trees.

ReferencesEdit

  • Grube, M.; Lücking, R.; and Umaña-Tenorio, L. (2004) A new isidiate species of Arthonia (Ascomycota: Arthoniaceae) from Costa Rica. Mycologia 96(5): 1159–1162.   Complete publication (Fig. 1 Arthonia isidiata: 1A, thallus; 1B, isidia; 1C, branched isidia; 1D, section of thallus; 1E, section of ascoma) (Fig. 2 Arthonia isidiata: ascospores)

LinksEdit

  • Index of Fungi 7: 615.

Vernacular namesEdit