*1: Penzance, 1844,
(PNZ) (Paton 1969a:
*2: Trehane, W. of
Probus, 1854, JS (TRU) (Paton 1969a:
Habitat notes from Cornwall are as follows.
Commonly on surfaces of granitic, gabbro or slaty boulders, in
open, lightly shaded to moderately shaded (e.g. in woodlands,
groves, laneside banks, gardens, cemetery). On
mortared-granitic masonry of walls, including those of bridges
and ruined mine or other buildings. Unshaded or partly to well
shaded. Thin soil over rocks on old mine areas, unshaded. On
slaty rock on unshaded rocky bank and in old quarry. Sparsely
on boulders in edge of inundation zone beside Siblyback Lake
(Reservoir). On serpentinite blocks in 'hedge' beside field.
On top of old concrete fence-post at wood edge in sheltered
site. Several records on concrete, unshaded to lightly shaded.
Patch on firm, gritty china clay spoil on unshaded bank.
Strong patch c.fr. on wood of old fence under deciduous trees
near stream. Associates recorded include Kindbergia
Commonly/frequently c.fr.: capsules immature 1-3,
8-12; dehiscing , 1-3, [5 - one capsule]; dehisced 2-4, 7,