Arenaria aggregata subsp. erinacea, (Boiss.) Font Quer

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 119

(b) Subsp. erinacea (Boiss.) Font Quer , Arx . Secc. Ci. Inst. Est. Catalans 15: 35 (1948)

( A. erinacea Boiss. ):

Plant forming a dense cushion 5-10 cm in diameter, with stems covered with densely imbricate leaves. Flowers solitary and terminal, rarely 2 or 3 together, on the surface of the cushion, not on protruding stems. Sepals 4-6 mm. • E. Spain; S.E. France (Mont Ventoux); N. Portugal (Serra da Estrêla).

Intermediates between these two subspecies occur on Mont Ventoux.

A. racemosa Willk. , Bot. Zeit. 5: 239 (1847), from S. Spain, is laxly caespitose, has acute, mucronate, more or less distant and not imbricate leaves, and 2-5 flowers in lax racemes (or rarely solitary flowers). The sepals are 4-6 mm long, ovate-lanceolate, acute and stronglyveined. It may meritsubspecific status under 11.