Abstract

AGUILAR-ROSAS, Raúl et al. Hesperophycus and Silvetia members of the Fucaceae family (Fucales, Phaeophyta) in the Pacific coast of Mexico. Hidrobiológica [online]. 2002, vol.12, n.2, pp.147-156. ISSN 0188-8897.

A taxonomic revision of the family Fucaceae (Fucales, Phaeophyta) in Baja California is presented, together with a bibliography. Specimens housed in national and foreign herbaria were studied to obtain records and to corroborate their identification. Collecting trips were made along the western and eastern coasts of Baja California during 1990-1999. We conclude that the family Fucaceae is represented by Hesperophycus californicus P. C. Silva, Silvetia compressa (J. Agardh) Serrão, Cho, Boo et Brawley and Silvetia compressa (J. Agardh) Serrão, Cho, Boo et Brawley subsp. deliquescens P. C. Silva. All these taxa occur only on the western coast of the Peninsula. The southern limit of distribution of S. compressa subsp. compressa is extended 12 km from Punta Baja to Agua Blanca, Baja California. Morphological characters, reproductive phases, habitat, distribution, determination keys, and figures are included.

Keywords : Pacific ocean; Baja California; Fucaceae; Phaeophyta; brown algae.

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