*1: Walls of farmyard, Pentire Point, N. of Padstow,
c.fr., Oct. 1963, ERBL comm. JAP (Warburg 1965b: 869, Paton
1969a: 741).
Known from single locality in Cornwall. In 1996
still present and c.fr. (capsules very immature) in rather
small quantity at single place (DTH 96-398), on steep
slaty rock high on unshaded wall in
farmyard.