*1: Kerris Moor, 1867, WC (PNZ) (Paton 1969a:
709-710). [Vc1 specimens also in BM, E: Murray 1988:
47, Blockeel 1989: 24].
+1: On unshaded, sloping faces of blocks of granitic
rock, above and inside disused, water-filled quarry, Long
Downs, SW73, 1996, DTH 96-183 (DTH) (Blockeel 1999:
11).
*2: Helman Tor, 1879, RVT (B) (Paton 1969a:
710). [Vc2 specimens also in BBSUK, BM: Murray
1988: 47, Blockeel 1989: 24].
+2: On steep, exposed face of boulder of granitic
rock, Rough Tor, Bodmin Moor, SX18, 1993, DTH 93-149A (DTH) (Blockeel 1999:
11).
Only records from Murray
(1988) and subsequently are listed for this subsp.
Forms small patches, usually pure, occasionally
larger or intermixed with other epiliths (especially Racomitrium
heterostichum and lichens). Grows on unshaded, mainly
sloping (often gently inclined) surfaces of granitic rocks
(large boulders, blocks, outcrops) on hillsides, in acid
grassland, in areas of old rocky mine spoil, in and near
disused quarries.
Commonly c.fr.: capsules immature 2, 3, 5, 10;
dehiscing 3; dehisced 3, 5.