Chaenothecopsis parasitaster (Bagl. & Carestia) D. Hawksw.

Notes R. Bot. Gard. Edinb., 36: 184, 1978. Basionym: Calicium pusillum var. parasitaster Bagl. & Carestia - Atti Soc. Crittogam. Ital. 2: 246, 1880,
Synonyms: Calicium parasitaster (Bagl. & Carestia) Zopf
Description: Thallus not evident, not lichenized, parasitic on squamules of Cladonia. Apothecia stalked, pin-like, (0.35-)0.5-0.7(-0.9) mm high, the stalk 0.04-0.075 mm thick, black or rarely pale greenish, brownish or grey in lower part, always darker in upper part, the central part formed by pale, in lower part intricately interwoven, in upper part periclinally arranged hyphae, the outer part green-brown to greenish, formed by periclinally arranged, sclerotized hyphae. Capitulum lenticular, (0.12-)0.2-0.3 mm across, black or sometimes faintly white pruinose in upper part; mazaedium absent. Exciple of greenish to brown, periclinally arranged hyphae. Epithecium thin, reddish brown; hypothecium pale or greenish brown. Asci 8-spored, cylindrical, with a thickened apex penetrated by a narrow canal, formed singly, persisting until the spores are mature. Ascospores 1-septate, medium brown, ellipsoid, (5-)6-10(-14) x 2-3(-3.5) µm, with a minutely warted wall. Photobiont absent. Spot tests: all parts of ascocarps K-, C-, KC-, P-, N-. Chemistry: no lichen substances, except unidentified greenish or brownish pigments.
Growth form: Lichenicolous fungus
Reproductive strategy: mainly sexual
In underhangs rarely wetted by rain
paras Cladonia spp.

Commonnes-rarity: (info)

Alpine belt: absent
Subalpine belt: rare
Montane belt: very rare
Dry submediterranean belt: extremely rare
Humid submediterranean belt: very rare
Padanian area: absent

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Poleotolerance:

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Altitudinal distribution:

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Rarity

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E. Pittao CC BY-SA 04
TSB 9207


Elena Pittao; Owner: Derpartment of Life Sciences, University of Trieste CC BY-SA 4.0
Herbarium: TSB (9207)
02/02/2017


Elena Pittao; Owner: Derpartment of Life Sciences, University of Trieste CC BY-SA 4.0
Herbarium: TSB (9207)
02/02/2017


Elena Pittao; Owner: Derpartment of Life Sciences, University of Trieste CC BY-SA 4.0
Herbarium: TSB (9207)
02/02/2017


Elena Pittao; Owner: Derpartment of Life Sciences, University of Trieste CC BY-SA 4.0
Herbarium: TSB (9207)
02/02/2017


Felix Schumm - CC BY-SA 4.0
[VZ1824], Austria. Salisburgia, Lungau,in alpibus Schladminger Tauern dictis, in valle dicta Weissprichachtal, inter Kühbarnalm et Kühbarnhütte, 1450 m. In thallo Cladoniae digitatae vigens. Leg. J. Hafellner, K. Kalb et A. Vezda, 8.9.1981. EX A. VEZDA LICHENES SELECTI EXSICCATI NR. 1824.