*1: Carn Brea, 1844, AG
(PNZ) (Paton 1969a: 732).
*2: Chapel Rock, Roche,
before 1907, RVT (B) (Paton 1969a:
732).
Habitat notes from Cornwall are as follows. Humic
soil of banks, thin soil over rocks and on wood of rotting
stumps, trunks and large branches lying on ground in open
deciduous woodland (including larch, and Sessile Oakwoods,
often on shaded or N.-facing slopes (associates include Calypogeia
muelleriana, Cephalozia
lunulifolia, Diplophyllum albicans,
Kurzia sylvatica,
Lepidozia reptans,
Pseudotaxiphyllum
elegans). Near Gweek: on vertical humic soil and low
cushions of moribund Leucobryum, on upper
part of low cliff, ca
1.5-2.5 m above HWST level of estuary, partly shaded by
Sessile Oak woodland on slope above (associates include Calypogeia fissa, Cephalozia
lunulifolia, Lepidozia reptans).
Kennall Vale: on thin humic layer and with low mosses on
vertical granitic rock heavily shaded in deciduous woodland;
also on rotting wood of fallen, decorticated tree stump in wet
area near old mills. Roche Rock: thin soil and among other
bryophytes on granitic boulders and outcrops at base of tor,
N.-facing but otherwise unshaded to well shaded. Rusey: heathy
slope high above sea-cliff. Rotting wood of fallen tree trunk
(with Lophocolea
heterophylla, Orthodontium lineare).
Clay of steep laneside bank, shaded by trees (with Calypogeia arguta, Calypogeia
muelleriana).
Gemmae always (?) present. Occasionally c.fr. (only
four records by DTH, all in vc2): capsules immature 12, 2;
dehisced 5, 12.
