UC specimens and range limits for Callophyllis heanophylla

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

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Illustration from DeCew's Guide to the Seaweeds of British Columbia, Washington, Oregon, and Northern California

Callophyllis Kützing 1843

Thalli with circular to fan-shaped, much-divided blades arising from discoid holdfasts. Blades without midrib or veins, divided dichotomously, palmately, or pinnately, occasionally to many fine, narrow divisions. Margins of divisions smooth, crisped, dentate, or laciniate. Medulla of large, pseudoparenchymatous cells mingled with branched, pigmented filaments. Cortex 4 or 5 cells thick, the cells progressively smaller toward surface. Tetrasporangia embedded just below surface, cruciately divided, frequently germinating in place. Spermatangia in superficial patches, formed from outermost cortical cells. Plants procarpic. Plants either polycarpogonial or monocarpogonial with supporting cell becoming auxiliary cell. Cystocarp developing inward, surrounded by sterile tissue; carposporangial masses separated from each other by sterile filaments. Gonimoblasts unilaterally protuberant, each with 1 or more ostioles.

Callophyllis heanophylla Setch.

Setchell 1923b: 401; R. Norris 1957: 281; Abbott & Norris 1965: 79.

Thalli to 7 cm tall, mostly shorter, short-stipitate, light rose, with dichotomously flabellate blades of 3 orders; blade soft and slippery, scarcely more than 2 cm wide, with apices obtuse to irregularly rounded, sometimes somewhat dentate; tetrasporangia at first restricted to angles of penultimate and ultimate dichotomies, spreading to broad faces of blades, in slightly modified submarginal sori; gonimoblasts 0.5-0.75 mm diam., distributed irregularly in upper blades, bulging on both sides of thallus, with 1-3 ostioles.

Infrequent, on worm tubes, arborescent bryozoans, or small rocks, subtidal (2-30 m), Wash. and Monterey to Santa Barbara and Channel Is., Calif. Type locality: Canoe I., Wash.

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