Selected material studied: Sierra Espuña, ladera O del Morrón, 1440 m, 10-V-2009, Cano 4968 (MUB 29503).
Ledges and fissures with soil on rocks.
Previous records: Jovet & Bischler (1976); Ros & Llimona (1984); Ros & Guerra (1987); Cano et al. (2004).
