Collection location: Bovec basin, East Julian Alps, Posočje, Slovenia [Click for map]
Dimple Lichen. Eventually Gyalecta leucaspis? According to Wirth a very rare species for Germany. Pruegger et all. ‘Alphabetical list of lichenized fungi for the six phytogeographical regions of Slovenia’ has this species listed. G. leucaspis has vividly pink to light orange thallus and its apothecia rim disintegrate into 5-10 radial sections when old (Wirth, 1995). This corresponds well to my pictures. However, I can not find thick gray-white pruina on apothecia which is also a typical character for G. leucapsis. On the other hand, in literature and on web I have never found mentioning vivid orange as a possible thallus color of G. jenensis. G. jenensis is quite common here and also a possibility. Observing spores would resolve the dilemma.
Dat.: Nov. 08. 2008 (soaked wet conditions)
Dat.: Feb. 22. 2009 (half dry conditions)
Lat.: 46.31819 Long.: 13.55216
Habitat: Road scarp rocks of a dirt road, humid shady place, mixed forest and grassland around, no insolation of the region during winter months, often wet place, north oriented, 1.5 m off the road level, exposed to precipitations, precipitations ~3.000 mm/year, average temperature 7-9 deg C, elevation 400 m (1.300 feet), alpine phytogeographical region.
Substratum: vertical calcareous rock surface
Place: Southeast of village Čezsoča. Bovec basin, East Julian Alps, Posočje, Slovenia EC
Nikon D70 / Nikorr Micro 105mm/f2.8
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at that time, unfortunately. So I have no information about microscopical characters. Now I have a scope (actually from yesterday two – a compound and a low magnification dissecting stereo :-) ). Nevertheless, I found reliable lichen determination a hard task for a beginner who has been up to now unable to find a benevolent mentor. With fungi it was much easier.
May be I will go back to this place to look if the lichen is still there. It’s not far. If I succeed to find out something useful I will post on MO.
Thanks for your comment and best regards.
of the most beautiful and well documented lichens on the site. worth a revisit.
I don’t suppose you ever got the opportunity to scope this, Amadej, did you?