Mycoporum antecellens (Nyl.) R.C. Harris

More Florida Lichens: 67, 1995. Basionym: Verrucaria antecellens Nyl. - Flora, 49, 1866.
Synonyms: Arthopyrenia analeptoides (Nyl.) A.L. Sm.; Arthopyrenia antecellens (Nyl.) Arnold; Pyrenula zwackhii (Hepp) Hepp
Distribution: N - Frl (TSB 1822), Ven (Nimis & al. 1996c, Lazzarin 2000), TAA (Nascimbene & al. 2007b), Lomb (Brusoni & al. 1997, Brusoni & Valcuvia 2000, Abramini & al. 2008), Piem (Caniglia & al. 1992, Isocrono & al. 2003), Lig. C - Tosc (Loppi & Frati 2006), Abr, Mol (Ravera & Genovesi 2012), Sar (Rizzi & al. 2011).
Description: Thallus crustose, whitish to pale brown, poorly evident, not lichenized. Perithecia black, 0.2-0.4 mm across, circular or ellipsoid, Involucrellum of compacted hyphae and often with minute fragments of bark cells, K+ yellowish brown; hamathecium of persistent, much branched, 1.5-2.5 μm thick paraphysoids; hymenial gel I-. Asci obpyriform, with an apically much thickened wall, 65-105 x 20-40 μm. Ascospores 1(-3)-septate, the upper half wider than the lower one, at first hyaline, then turning brownish and verruculose, sole-shaped, 27-40 x 8-13 μm, without a distinct perispore. Pycnidia usually abundant, black, c. 0.1 mm across. Conidia bacilliform, 4-6 x c. 1 μm. Photobiont absent. Spot tests: all negative. Chemistry: without lichen substances.
Note: an early coloniser of smooth bark, especially on twigs of broad-leaved trees and shrubs (e.g. Corylus and Fagus), in humid deciduous woodlands.
Growth form: Fungus
Substrata: bark
Reproductive strategy: mainly sexual
Most common in areas with a humid-warm climate (e.g. most of Tyrrenian Italy)
Pioneer species

Commonnes-rarity: (info)

Alpine belt: absent
Subalpine belt: absent
Oromediterranean belt: absent
Montane belt: rather rare
Submediterranean belt: rare
Padanian area: extremely rare
Humid submediterranean belt: rare
Humid mediterranean belt: absent
Dry mediterranean belt: absent

pH of the substrata:

12345

Solar irradiation:

12345

Aridity:

12345

Eutrophication:

12345

Poleotolerance:

0123

Altitudinal distribution:

123456


Predictive model
Herbarium samples


Felix Schumm – CC BY-SA 4.0
Image from: F. Schumm (2008) - Flechten Madeiras, der Kanaren und Azoren. Beck, OHG - ISBN: 978-3-00-023700-3


Author: André Aptroot. Source: http://www.tropicallichens.net/ CC BY-SA-NC



Felix Schumm – CC BY-SA 4.0
[14124], Portugal, Azoren, Terceira, Stausee unterhalb Serra do Santa Barbara, 38°43.151' N, 27°18.727' W, 704 m. Aptroot & Schumm 13.07.2008, det. Aptroot 2009



Felix Schumm – CC BY-SA 4.0
[14124], Portugal, Azoren, Terceira, Stausee unterhalb Serra do Santa Barbara, 38°43.151' N, 27°18.727' W, 704 m. Aptroot & Schumm 13.07.2008, det. Aptroot 2009



Felix Schumm – CC BY-SA 4.0
[14124], Portugal, Azoren, Terceira, Stausee unterhalb Serra do Santa Barbara, 38°43.151' N, 27°18.727' W, 704 m. Aptroot & Schumm 13.07.2008, det. Aptroot 2009



Felix Schumm – CC BY-SA 4.0
[14124], Portugal, Azoren, Terceira, Stausee unterhalb Serra do Santa Barbara, 38°43.151' N, 27°18.727' W, 704 m. Aptroot & Schumm 13.07.2008, det. Aptroot 2009



Felix Schumm – CC BY-SA 4.0
[14124], Portugal, Azoren, Terceira, Stausee unterhalb Serra do Santa Barbara, 38°43.151' N, 27°18.727' W, 704 m. Aptroot & Schumm 13.07.2008, det. Aptroot 2009



Felix Schumm – CC BY-SA 4.0
[14124], Portugal, Azoren, Terceira, Stausee unterhalb Serra do Santa Barbara, 38°43.151' N, 27°18.727' W, 704 m. Aptroot & Schumm 13.07.2008, det. Aptroot 2009



Felix Schumm – CC BY-SA 4.0
[14124], Portugal, Azoren, Terceira, Stausee unterhalb Serra do Santa Barbara, 38°43.151' N, 27°18.727' W, 704 m. Aptroot & Schumm 13.07.2008, det. Aptroot 2009



Felix Schumm – CC BY-SA 4.0
[14124], Portugal, Azoren, Terceira, Stausee unterhalb Serra do Santa Barbara, 38°43.151' N, 27°18.727' W, 704 m. Aptroot & Schumm 13.07.2008, det. Aptroot 2009



Felix Schumm – CC BY-SA 4.0
[14124], Portugal, Azoren, Terceira, Stausee unterhalb Serra do Santa Barbara, 38°43.151' N, 27°18.727' W, 704 m. Aptroot & Schumm 13.07.2008, det. Aptroot 2009



Felix Schumm – CC BY-SA 4.0
[14124], Portugal, Azoren, Terceira, Stausee unterhalb Serra do Santa Barbara, 38°43.151' N, 27°18.727' W, 704 m. Aptroot & Schumm 13.07.2008, det. Aptroot 2009



Felix Schumm – CC BY-SA 4.0
[14124], Portugal, Azoren, Terceira, Stausee unterhalb Serra do Santa Barbara, 38°43.151' N, 27°18.727' W, 704 m. Aptroot & Schumm 13.07.2008, det. Aptroot 2009



Felix Schumm – CC BY-SA 4.0
[14124], Portugal, Azoren, Terceira, Stausee unterhalb Serra do Santa Barbara, 38°43.151' N, 27°18.727' W, 704 m. Aptroot & Schumm 13.07.2008, det. Aptroot 2009



Felix Schumm – CC BY-SA 4.0
[14124], Portugal, Azoren, Terceira, Stausee unterhalb Serra do Santa Barbara, 38°43.151' N, 27°18.727' W, 704 m. Aptroot & Schumm 13.07.2008, det. Aptroot 2009



Felix Schumm – CC BY-SA 4.0
[14124], Portugal, Azoren, Terceira, Stausee unterhalb Serra do Santa Barbara, 38°43.151' N, 27°18.727' W, 704 m. Aptroot & Schumm 13.07.2008, det. Aptroot 2009



Felix Schumm – CC BY-SA 4.0
[14124], Portugal, Azoren, Terceira, Stausee unterhalb Serra do Santa Barbara, 38°43.151' N, 27°18.727' W, 704 m. Aptroot & Schumm 13.07.2008, det. Aptroot 2009



Felix Schumm – CC BY-SA 4.0
[14124], Portugal, Azoren, Terceira, Stausee unterhalb Serra do Santa Barbara, 38°43.151' N, 27°18.727' W, 704 m. Aptroot & Schumm 13.07.2008, det. Aptroot 2009



Felix Schumm – CC BY-SA 4.0
[14124], Portugal, Azoren, Terceira, Stausee unterhalb Serra do Santa Barbara, 38°43.151' N, 27°18.727' W, 704 m. Aptroot & Schumm 13.07.2008, det. Aptroot 2009