THIS PAGE IS NO LONGER UPDATED AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY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 BLECHNACEAE
N.B.: couplets are linked, e.g., 1. is linked to 1'.
1. Blade deeply pinnately lobed to 1-pinnate with unlobed 1° leaflets; leaves of 2 kinds, fertile and sterile; sori 2 per 1° leaflet, linear, > 10 × longer than wide, 1 along each side of 1° leaflet midrib
1' Blade 1-pinnate with deeply pinnately lobed 1° leaflets; leaves all ± alike; sori many per lobe, oblong, 2–4 × longer than wide, end-to-end along each side of lobe midrib, some oblong to linear along 1° leaflet midrib as well