Selected material studied: Sierra del Algarrobo, pico Algarrobo, 700m, 27-XI-2005, Cano 2575 (MUB 19422).
Calcareous rocks and base of trunk of Quercus rotundifolia.
Previous records: Allorge & Allorge (1946) sub Homalothecium sericeum f. robustum; Alcaraz et al. (1982); Ros & Llimona (1984); Ros & Guerra (1987); Cano et al. (2004).