Otnyukova T.N.1 2001. A new species of Orthotrichum (Orthotrichaceae, Musci) from Tuva Republic, South Siberia // Arctoa. Vol. 10: 155–156 [in English].
1 Sukachev’s Institute for Forest Research, Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036 Russia
KEYWORDS: bryophytes, new speices, Orthotrichum furcatum, morphology, diagnostic characters.
ABSTRACT. A new speices of Orthotrichum is described from Tuva Republic, South Siberia. It is similar to O. obtusifolium and O. gymnostomum in obtuse leaf and abundant gemmae produced on leaf surface. However O. furcatum Otnyukova sp. nov. differs from them in high and (2-)3(-4)-forked papillae on both sides, one per cell, its leaf margin crenulate in the upper half of leaf due to large papillae on marginal cells.