UC specimens and range limits for Chiharaea americana f. bodegensis

• 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

Chiharaea Johansen 1966

Thalli saxicolous, with extensive crustose bases and articulated fronds. Fronds small, decumbent, compressed and dorsiventrally oriented, irregularly branched, of 14 or fewer intergenicula. Intergenicular medulla with arching tiers of straight cells of same height. Genicula with single tier of long, thick-walled cells. Conceptacles axial, 1-3 per intergeniculum; fertile intergenicula rarely branched; pore on dorsal surface in tetrasporangial plants, central in sexual plants. Spermatangial conceptacles beaked; conceptacular canal 100+ µm long. Fusion cell broad and thin, with carposporangial filaments arising from entire surface.

Chiharaea bodegensis Johans.

Johansen 1966: 59.

Fronds dark purplish, sparse or congested, each to 5 mm long, with up to 14 intergenicula; distal intergenicula broader and flatter than proximal ones, to 1.5 mm broad; tetrasporangial conceptacles deeply embedded; male and female plants also known.

Uncommon and inconspicuous, on rocks, low intertidal to subtidal, usually in areas of considerable surge, N. Calif. to Malpaso Creek (Monterey Co.), Calif. Type locality: Bodega Head (Sonoma Co.), Calif.

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