Closterium macilentum var. japonicum
Closterium macilentum var. gracile
Closterium macilentum var. coloratum
(tree size 1)
Closterium macilentum var. simplissimum
Closterium macilentum var. substriatum
Closterium macilentum var. elongatum
Closterium macilentum var. inflatulum
Closterium macilentum var. kavinae
Closterium macilentum var. minus
Closterium macilentum f. adultior