Sp.A Leaves with red nerve, shortly excurrent colourless tip. Blade with hooded tip.
Identified by Sam Bosanquet as Trichostomum crispulum (Curly Crisp-moss)
Sp. B More compact with erect leaves. Tip flat ill-defined teeth near tip - not attempted to key this one yet. [Det by Sam Bosanquet as Eucladium verticillatum (Whorled Tufa-moss)]