by Dr M Lueth ©.
*1: Cliff between St Ives and Hayle, 1844, AG comm.
JAP (PNZ) (Warburg 1963b: 501, Paton
*2: St Germans, 1868, 'L.B.' (OXF) (Paton 1969a:
Recorded as growing on thin calcareous sandy soil
on slope of old copper-mine spoil near coast, unshaded, with
Not seen c.fr.