Closterium tumidum var. nylandicum
(tree size 2)
Closterium tumidum var. sphaerosporum
Closterium tumidum var. tumidum
Closterium tumidum f. maior
Closterium tumidum f. minus
Closterium tumidum var. angustum
Closterium tumidum f. macrosporum
Closterium tumidum var. striatum
Closterium tumidum var. gigantum
Closterium tumidum var. koreana
Closterium tumidum f. elongata
Closterium tumidum f. irenee-mariei
Closterium tumidum f. majus