Siphononema polonicum (Raciborski) Geitler

Остров Западный Шпицберген (West Spitsbergen island), северный берег залива Хорнсунд (Hornsund), долина реки Ревэльва (Revdalen Valley), подножие склона горы Арикаммен (Ariekammen Mountain). Ровная морская терраса (Fuglebergsletta plain of raised marine terrace). Влажные сообщества Saxifraga oppositifolia, постоянно переувлажненные seepage. (moist Saxifraga oppositifolia community. During the whole vegetation period surfaces were supplied by snow melting water, streams and groundwater seepage. Samples were collected from soil surface, stones, gravel and sand).