Cosmarium

Cosmarium
Cosmarium botrytis
Scientific classification
Kingdom: Plantae
Class: Zygnematophyceae
Order: Desmidiales
Family: Desmidiaceae
Genus: Cosmarium
Corda ex Ralfs
Type species
Cosmarium undulatum
Species
  • C. angulosum
  • C. auriculatum
  • C. bioculatum
  • C. bisphaericum
  • C. blyttii
  • C. borgesenii
  • C. botrytis
  • C. contractum
  • C. costatum
  • C. cucumis
  • C. debaryi
  • C. dentatum
  • C. depressum
  • C. dilatatum
  • C. elegantissimum
  • C. exiguum
  • C. fontarabiense
  • C. fontrabiense
  • C. formosulum
  • C. furcatospermum
  • C. granatum
  • C. hammeri
  • C. humile
  • C. impressulum
  • C. isthmium
  • C. laeve
  • C. levinotabile
  • C. lundellii
  • C. norimbergense
  • C. obsoletum
  • C. obtusatum
  • C. ovale
  • C. pachydermum
  • C. pseudoconnatum
  • C. quadrum
  • C. rectangulare
  • C. reniforme
  • C. sexangulare
  • C. sp. ACKU 1232
  • C. subcostatum
  • C. subcucumis
  • C. subprotumidum
  • C. subtumidum
  • C. succisum
  • C. tenue
  • C. tetragonum
  • C. trilobulatum
  • C. tumidum
  • C. undulatum

Cosmarium is a large genus of desmids (Desmidiaceae), a group of green algae closely related to the land plants (Embryophyta). Members of this genus are microscopic and found in freshwater habitats around the world.

The name Cosmarium comes from the Greek word κοσμάριον - kosmarion, meaning a small ornament.