Vertigo alpestris
Distribution and status
Local species but fairly frequent where it occurs.
Ecology and behaviour
Typically found on old stone walls (often with patches of ivy and shaded by trees) or in leaf litter at their foot. Also found amongst mosses on limestone scree. Screes, old walls, rocks, rather dry open woodland.
Taxon version key
[NHMSYS0020528315]
Typically 1.8-2.0 mm in height. Whorls moderately tumid; mouth-edge slightly thickened and slightly indented, with no transverse rib behind the outer lip (cf. V.pygmaea); apertural teeth lamella-like, with very little callus around the bases; colour pale yellowish-brown; faint, regular sculpture, giving a characteristic silky lustre.