Orig. (Steffen 1931): Sphagneto-Caricetum rostratae der Schwing-Zwischenmoore (Sphagnum recurvum-Carex rostrata-Assoziation)

Syn.: Carici rostratae-Sphagnetum apiculati Osvald 1923 (§ 3d, asociace uppsalské školy), Sphagno recurvi-Caricetum limosae Osvald 1923 (§ 3d, asociace uppsalské školy), Carici chordorrhizae-Sphagnetum apiculati Warén 1926 (§ 3d, asociace uppsalské školy), Carici rostratae-Sphagnetum apiculati Warén 1926 (§ 3d, asociace uppsalské školy), Carici canescentis-Agrostietum caninae Tüxen 1937 caricetosum rostratae Tüxen 1937, Sphagno-Caricetum canescentis (Tüxen 1937) Passarge 1964, Caricetum rostratae sensu auct. non Rübel 1912 (pseudonym)

Formal definition: (Carex rostrata cover > 5 % OR group Carex rostrata) AND Sphagnum recurvum s. l. cover > 25 % NOT group Sphagnum warnstorfii NOT Carex diandra cover > 5 % NOT Carex lasiocarpa cover > 5 % NOT Pinus rotundata cover > 5 % NOT Trichophorum alpinum cover > 5 %