Popov S.Yu.1 1996. [On the ecological variability of Sphagnum riparium Aongstr. (Sphagnaceae, Musci)] // Arctoa. Vol.6: 161–164 [in Russian, with English summary].

1 Stalevarov str., 8/22 –1–28, Moscow 111555 Russia

KEYWORDS: Sphagnum riparium, variation, morphology, ecology.

ABSTRACT. The main ecological factor influencing the variability of Sphagnum riparium is the moisture of habitat. It affects some qualitative characters (Tabl. 1, Fig. 3). The relation of moisture of habitat and the length of branch leaf is found statistically comprehensive. However the latter character is found not dependant of the light ond nutritient conditions.

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