*1: Sennen Green, 1894,
HB (RAMM) (Paton 1969a:
746).
*2: Bossiney Cove,
Tintagel, 1922, AS (EXR) (Paton 1969a:
746).
Treatment of P. commutata and P. falcata as distinct
species follows Hedenäs (1992, 2003).
Habitat NE. of Coverack was on flushed slope above
sea-cliffs, growing on ground in wet heath with Schoenus nigricans and
other marsh plants.
Not seen c.fr.
