Closterium lineatum var. costatum
Closterium lineatum var. latius
Closterium lineatum var. lineatum
Closterium lineatum var. africanum
Closterium lineatum var. elongatissimum
Closterium lineatum var. elongatum
Closterium lineatum f. laeve
Closterium lineatum var. majus
Closterium lineatum f. minus
Closterium lineatum f. spirostriolata
Closterium lineatum var. gracile
Closterium lineatum var. guyanense
Closterium lineatum var. major
Closterium lineatum var. maximum
Closterium lineatum var. minus
(tree size 1)
Closterium lineatum var. monolithum
Closterium lineatum var. perporosum
Closterium lineatum var. sandvicense
Closterium lineatum var. subrectum
Closterium lineatum f. angustatum
Closterium lineatum f. angustum
Closterium lineatum f. sigmoideum
Closterium lineatum f. sublaevis
Closterium lineatum f. tenuissimum