What does "conferva" mean?

Any of a number of unbranched slender green freshwater algae, formerly in the genus Conferva, now mostly in genera Cladophora or Tribonema

What is a synonym for "conferva"?

Common synonyms include: algae, bean, bracken, chlorophyte, climber, creeper.

/kənˈfɜːvə/ noun

noun ·Rare ·Advanced level

Noun

1
Any of a number of unbranched slender green freshwater algae, formerly in the genus Conferva, now mostly in genera Cladophora or Tribonema obsolete
2
any of various algae of the genus Tribonema; algae with branching filaments that form scum in still or stagnant fresh water wordnet

Borrowed from Latin cōnferva. See comfrey.