Closterium nematodes f. kriegeri
Closterium nematodes var. robustum
Closterium nematodes f. majus
Closterium nematodes var. sinense
Closterium nematodes var. proboscideum
(tree size 2)
Closterium nematodes var. tumidum
Closterium nematodes var. microteres
Closterium nematodes var. nematodes
(tree size 1)