UC specimens and range limits for Mazzaella parksii

• Blue markers: specimen records
• Yellow marker: type locality, if present
• Red markers: endpoints of range from literature

View map from the Consortium of Pacific Northwest Herbaria

Search Sequences in GenBank

Iridaea cornucopiae Post. & Rupr.

Postels & Ruprecht 1840: 18; Mikami 1965: 259; Abbott 1971b: 62. Iridophycus parksii Setchell & Gardner 1937b: 172; Abb. 1971b: 62.

Thalli with blades clustered on discoid holdfasts, the stipes short, flaring into furrowed apophyses, blades thick, obovate, round to spatulate, divided once or twice into narrow lobes, or not divided, 2-4(15) cm tall, 1-2 cm wide, dark purple with brown; tetrasporangia in flat sori; cystocarps large, protuberant.

Infrequent, high intertidal to midtidal atop rocks, Alaska to Palmer's Pt. (Mendocino Co.), Calif. Also Hokkaido (N. Japan) and Kurile Is. Type locality: N. Pacific.

Very similar in habit to Chondrus ocellatus f. parvus; the gonimoblasts differ, however, those of Chondrus lacking the encircling ring of sterile tissue and the absorbing filaments. This form is reported from N. Japan and the Aleutians.

Excerpt from Abbott, I. A., & Hollenberg, G. J. (1976). Marine algae of California. Stanford University Press, Stanford, California. xii [xiii] + 827 pp., 701 figs.