Closterium praelongum var. brevior
Closterium praelongum var. brevius
(tree size 4)
Closterium praelongum var. crassius
Closterium praelongum var. elongatum
Closterium praelongum var. praelongum
Closterium praelongum f. longissimum
Closterium praelongum var. madagascariense
Closterium praelongum f. brevius
Closterium praelongum var. crassior
Closterium praelongum var. punctatum
Closterium praelongum var. rectum