Orig. (Klötzli 1969): Chrysohypno-Caricetum lasiocarpae (Chrysohypnum stellatum = Campylium stellatum)
Syn.: Caricetum lasiocarpae Koch 1926 (§ 36, nomen ambiguum), Hypno-Caricetum Steffen 1931 p. p. (§ 3f), Scorpidio-Caricetum diandrae Steffen 1931 (fantom), Caricetum diandro-lasiocarpae basiclinum Duvigneaud 1944 (§ 34a), Caricetum lasiocarpae Vollmar 1947 (§ 36, nomen ambiguum), Eriophorum gracile-Carex diandra Ges. Jeschke 1959 (§ 3c), Ass.-Gr. Eriophoro-Caricetum lasiocarpae (Vollmar 1947) Passarge 1964 (§ 3d), Drepanoclado revolventis-Caricetum lasiocarpae (Koch 1926) Rybníček in Rybníček et al. 1984, Drepanoclado revolventis-Caricetum diandrae (Kopecký 1960) Rybníček in Rybníček et al. 1984, Scorpidio-Caricetum diandrae sensu auct. non Osvald 1923 (pseudonym)
Formal definition: (Carex diandra cover > 5 % OR Carex lasiocarpa cover > 5 % OR group Carex lasiocarpa OR group Carex rostrata) AND (Hamatocaulis vernicosus cover > 5 % OR Scorpidium cossonii cover > 5 % OR group Eriophorum latifolium) NOT Sphagnum sp. cover > 0 %