*1: Near Madron,
Penzance, 1844, AG
(PNZ) (Paton 1969a:
*2: Near Trehane, W. of
Probus, 1857, ES (TRU) (Paton 1969a:
Notes on habitats in Cornwall are as follows.
Restricted to acid substrates and characteristically in open
or only partly shaded places on well-drained mor humus and
plant litter of heathlands or less often in or at edges of
mires or on broken ground in short acid grassland. Commonly on
banks or slopes, or spreading over edges of rocks, sometimes
forming thin cover over granitic boulders. Sometimes also on
slopes in open deciduous woodlands, such as hillside Sessile
Oak woods with heathy ground-layer, and on bank of creek in
open woodland. Persists until considerable shade develops from
young birch or spruce trees when they colonise its heathland
sites. Sometimes plentiful in heathy areas of short vegetation
on unshaded old mine-spoil, and recorded on soil of banks in
old granite quarry, on old china-clay spoil, wet heathy areas
developing in old china-clay workings, laneside banks, edges
of damp heathland tracks, and in heathy vegetation on a
Common associates include Calluna vulgaris, Erica cinerea, [low]
Ulex spp., Vaccinium myrtillus;
various grasses; Campylopus
Hylocomium splendens, Hypnum jutlandicum, Pseudoscleropodium
squarrosus, Thuidium tamariscinum.
Others recorded included Aulacomnium
Calliergonella lindbergii, Odontoschisma
Polytrichastrum formosum, Racomitrium
Sphagnum fallax and other sphagna.
Not seen c.fr.