Notes: Syn.: Centraria juniperina var. tubulosa Schaer., Lich. helv. spicil. 8: 372 (1836) (IF), Centraria tubulosa (Schaer.) Zopf.
Habitat: stony ridge, full sun, wind and precipitation exposed, precipitations >3.000 mm/year, average temperature 0-2 deg C, altitude 1.910 m (6.300 feet), alpine phytogeographical region.
Substratum: stony soil
South ridge of Mt. Mali Vrh, 1994 m (6.542 feet), Mt. Mangart’s flats, East Julian Alps, Posocje, Slovenia
Nikon D70 / Nikorr Micro 105mm/f2.8
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To be frank, I don’t know morphological differences between Vulpicida juniperina and V. tubulosus. Unfortunately, I’ve been unable to find a good description of V. juniperina on net or in my books. What is clear from Index Fungorum and related paper of Mattsson and Lai (Ref.3) is that both names are not synonyms.
I agree with you. On Stridvall’s photos I can see only a difference in substratum. V. juniperina seems to grow on wood, while V. tubulosus apparently doesn’t. Substrate description for V. tubulosus in Ref. 1, namely: wind exposed calcareous ground, grassland and ridges in high mountains above tree-line , corresponds very well to my observation. Another difference is distribution of both species. Maps on gbif.org show V. juniperina mostly in north Europe while V.tubulosus can be found in middle and south Alps, Pyrenean, Carpathian mountains. This corresponds well to the information in Ref.1 and to the ‘List of Lichens in Slovenia’ ( http://members.chello.at/joh annes.pruegger/uni/slovenia/ , J.Pruegger) where only V. tubulosus is listed. So, I am pretty sure my determination is correct.
Created: 2012-03-14 09:40:16 PDT (-0700)
Last modified: 2012-03-14 09:44:32 PDT (-0700)
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