Rhizoclonium implexum

Rhizoclonium riparium var. implexum (Dillwyn) Rosenvinge

Conferva implexa Dillwyn, 1809:46, (Suppl.) pl. B; Koster, 1955:336, fig. 2.

Rhizoclonium riparium var. implexum (Dillwyn) Rosenvinge, 1893:915, fig. 34; Taylor, 1945:55; Silva et al., 1996a:786; Mateo-Cid et al., 2000a:69; León-Tejera and González-González, 2000:327; Pedroche et al., 2005:50; Servière-Zaragoza et al., 2007:8.

Rhizoclonium implexum (Dillwyn) Kützing, 1845:206; Setchell and Gardner, 1920b:183; Smith, 1944:62, pl. 8: fig. 3; Taylor, 1945:55; Koster, 1955: 344, 348; Dawson, 1961b:375; Scagel, 1966:73, pl. 33A,B; Abbott and Hollenberg, 1976:92, fig. 45; Huerta-Múzquiz and Mendoza-González, 1985:42; Mendoza-González and Mateo-Cid, 1985:22; Mendoza-González and Mateo-Cid, 1986:419; Mateo-Cid and Mendoza-González, 1994a:57; González-González et al., 1996:138; Galindo-Villegas et al., 1997:2, 4; Yoshida, 1998:72; Abbott and Huisman, 2004:82, fig. 25C.

Lola implexa (Dillwyn) G. Hamel, 1931a:120, fig. 37 (6–7); Ortega et al., 1987:78, pl. 14: figs. 60–62; Perrot, 1965:506; González-González et al., 1996:137.

Rhizoclonium kerneri Stockmayer, 1890:582; Collins, 1909b:329; Setchell and Gardner, 1920b:185; Taylor, 1945:55; Dawson, 1961b:375; González-González, 1993:443; Ortega et al., 1987:77, pl. 13: figs. 58, 59; Servière-Zaragoza et al., 1993:485; González-González et al., 1996:289; Servière-Zaragoza et al., 1998:169.

Rhizoclonium kochianum Kützing, 1845:206; Dawson, 1959a:12; Dawson, 1960a:31; Dawson, 1961b:376; Earle, 1972:85; González-González et al., 1996:139.

Algae unbranched, uniseriate filaments of cylindrical cells, mostly 3–5 times longer than wide, (8–)10–12(–20) µm in diameter by (24–)30–50(–70) µm long; mostly lacking or rarely with short, rhizoidal proliferations. Chloroplasts reticulate, with numerous pyrenoids.

HABITAT. Epiphytic or entangled with other algae or plants, on rocks, in tide pools, or on sand and mudflats of salt marshes, lagoons, and estuaries; or unattached and free-floating; high to low intertidal.

DISTRIBUTION. Gulf of California: Guaymas to Punta Arena (north of Cabo Pulmo). Pacific coast: Alaska to Oaxaca; Isla Clarión (Islas Revillagigedo); Panama; China; Japan; Hawaiian Islands; Galápagos Islands.

TYPE LOCALITY. Bantry, Ireland.