Key to the common species of Helminthocladia

1 Branching radial; most cells of cortical filaments having rhizoids which on twisting with adjoining filaments holds cortex together H. rhizoidea Doty & Abbott
1 Branching with irregular laterals; cortical filaments lacking rhizoids H. simplex Doty & Abbott

Back to   Common   Hawaiian  Red  Algal  Genera