THIS PAGE IS NO LONGER UPDATED AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
Up-to-date information about California vascular plants is available from the Jepson eFlora.
Names are linked to treatments from the Manual
Key to ZOSTERACEAE
N.B.: couplets are linked, e.g., 1. is linked to 1'.
1. Dioecious; plants attached by short, tuber-like rhizome and roots to coastal, wave-swept rocks; leaves tufted at rhizome nodes, < 5 mm wide; fruit base cordate
1' Monoecious; plants attached by long, slender, creeping rhizomes in bottom of bays, estuaries, and deep waters below wave action; leaves cauline, alternate, generally > 6 mm wide; fruit base ± truncate