*1: Lower Ninnes Bog,
Madron, 1880, WC (NMW) (Paton 1969a:
701).
*2: Track in old slate
quarry, near St Nectan's Kieve, Tintagel, Aug. 1960, JAP &
JA (BBSUK) (Paton 1961: 155, 1969a:
701).
Probably somewhat under-recorded because of
difficulty in proving plants are autoicous rather than
dioicous.
Habitat notes from C&S are as follows. Several
records, sometimes of large patches, on damp soil of partly
bare ground in floors of disused granite quarries; unshaded
(with Fossombronia
incurva, Pogonatum
urnigerum). Compressed soil of damp path in churchyard
just north of church, with other very low bryophytes
(including Didymodon
insulanus). On damp tracks, e.g. on heathland, unshaded.
Open area of damp soil in acid grassland on old landfill site
(with Ceratodon
purpureus, Pohlia
annotina). Soil and in cushion of Campylopus fragilis on
heathy slope of old mining ground near stream and coast,
unhaded. With other low bryophytes on unshaded copper mine
spoil (with Bryum
donianum, Ceratodon
purpureus, Fissidens dubius, Scapania compacta, Conocephalum conicum).
Soil on and just below ruined walls of mine buildings,
unshaded. Colonist on clay-spoil and crumbling granitic rocks
on banks and slopes in and near active and old china-clay
quarries (near Cephaloziella
divaricata, Nardia
scalaris). Soil and peaty humus on bare soil patches and
open areas on banks and flat ground at path edges on slopes
above cliffs, unshaded or almost unshaded (with Archidium
alternifolium, Diplophyllum albicans,
Lophozia
ventricosa). Soil over serpentinite near rocks at edge of
heath, unshaded. Thin soil over serpentinite in small quarry
close to exposed sea-cliff edge, unshaded (with Trichostomum
brachydontium). Thin soil on bank near stream in wet
pasture, part shaded (with Calypogeia arguta). On
soil of partly bare, unshaded patches in damp acidic grassland
(with Ceratodon
purpureus, Fossombronia incurva).
Damp soil of low bank in flush above sea-cliff, unshaded, with
Calypogeia fissa.
Unshaded sparsely vegetated bank at top of inundation-zone
beside reservoir (with Archidium
alternifolium, Bryum dichotomum).
Unshaded peaty soil of small bare patch among patchy low
vegetation high in inundation-zone of reservoir. Damp unshaded
peat in open part of mire with sphagna.
Often with gemmae: 1, 2, 3, 6, 8-12. Cper: 1-3, 5,
6, 8-12. Frequently (commonly ?) c.fr.: immature 2, 3, 6,
9-11; dehiscing 3, 6, 10; dehisced 6, 9,
10.
