by Dr M Lueth ©.
*1: Near Coverack,
1930, WEN (CGE) (Paton 1969a:
*2: Ground flora,
woodland fringe by R. Camel, Colquite Wood, Hellandbridge, nr
Bodmin, 1984, RJM (BBSUK, DTH) (Corley 1985:
Habitat notes from Cornwall are as follows. On
vertical, inclined and sometimes horizontal serpentinite rocks
in moderate to rather heavy shade, on outcrops, old quarried
rocks, old walls; in light shade on base of outcrop. Locally
spreading on to bases of trees. Also unshaded on steep
serpentinite rocks on south-facing slope above sea-cliffs. On
near vertical and sloping faces of granitic boulders in and
near large stream, lightly shaded by Ash trees (some plants
extending down into flood-zone), associates include Isothecium myosuroides
complanata s. l. On bark of large
old coppiced Sycamores in sheltered valley. Commonly grows
with cover of pleurocarpous mosses including Kindbergia praelonga,
myosuroides, Neckera complanata,
less often Pterogonium
gracile, also Frullania dilatata, Radula complanata s.
Not seen c.fr.