*1: Nance Wood,
Portreath, 1867, WC (PNZ) (Paton 1969a:
*2: Wet rock shelf in
old slate quarry, Trewarmett, N. of Delabole, Apr. 1958, TL
(Warburg 1960: 772, Paton 1969a: 715).
Grows as low lawns or forming low cushions or
patches among other bryophytes. In vc1 in two sites in flushes
on N.-facing granitic sea-cliffs, also along banks of a stream
just inland of the cliffs. Growing on wet, unshaded humic
Not seen c.fr.