- Blue markers: specimen records
- Yellow marker: type locality, if present
- Red markers: endpoints of range from literature
Laurencia sinicola S. & G.
Setehell & Gardner 1924a: 764; Dawson 1963b: 461. Laurencia scrippsensis Daws. 1944b: 234.
Thalli dark rose red, 1.6-9 cm tall, with congested erect fronds arising from common bases; main axes of erect fronds compressed, 1-1.5(4) mm broad, 400-500 µm thick, irregularly alternately pinnate, becoming decompound-pinnate; surface cells mostly isodiametric, 20-50 µm diam., not forming palisade-like layer; cortical cells mostly 70-90 µm diam., with abundant lenticular thickenings during summer season; tetrasporangia in outer ends of simple or digitate short pinnules; spermatangial pockets partly embedded or sessile-ovoid, solitary or in clusters on ultimate branchlets; cystocarps domoid, 600-800 µm diam., on distal ramuli.
Occasional on various algae, low intertidal, Santa Cruz I. and La Jolla, Calif.; frequent in Gulf of Calif. and to Is. Revillagigedo, Mexico. Type locality: Eureka (near La Paz), Gulf of Calif., on Sargassum.
Excerpt from Abbott, I. A., & Hollenberg, G. J. (1976). Marine algae of California. Stanford University Press, Stanford, California. xii [xiii] + 827 pp., 701 figs.
