Gyalecta titovii sp. nova is described from Abkhazia and Russia from the Black Sea coast in the Caucasus region. It is morphologically and anatomically similar to G. flotowii and G. truncigena. It mainly differs from G. flotowii in having ellipsoid and more muriform ascospores (6–12 cells visible in optical view). Gyalecta truncigena has similar ascospores, but the apothecia of G. truncigena are larger (0.3–0.7 mm diam.) and their margins are dark.
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1 December 2011
Gyalecta titovii, a New Corticolous Lichen Species from Abkhazia and Russia
Liudmila V. Gagarina
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Annales Botanici Fennici
Vol. 48 • No. 6
December 2011
Vol. 48 • No. 6
December 2011