Closterium lunula var. coloratum
Closterium lunula var. gracilis
Closterium lunula var. lunula
Closterium lunula var. minor
Closterium lunula var. maximum
(tree size 2)
Closterium lunula var. biconvexum
Closterium lunula f. gracile
Closterium lunula var. intermedium
Closterium lunula var. carinthiacum
Closterium lunula var. giganteum
Closterium lunula var. massartii
Closterium lunula var. mourense
Closterium lunula f. nasutum
Closterium lunula var. retusum
Closterium lunula var. submoniliferum
Closterium lunula var. crameri
Closterium lunula var. cuneatum
Closterium lunula var. praegrande
Closterium lunula var. pseudoacerosum
Closterium lunula var. rectum
Closterium lunula var. striatum
Closterium lunula var. sublanceolatum
Closterium lunula var. uniseriatum
Closterium lunula f. farcinalis
Closterium lunula f. levanderi
Closterium lunula f. retusum
Closterium lunula f. straminellum