Cosmarium conspersum var. conspersum
Cosmarium conspersum var. latum
(tree size 1)
Cosmarium conspersum f. intermedium
Cosmarium conspersum var. americanum
Cosmarium conspersum f. minus
Cosmarium conspersum f. dickiei
Cosmarium conspersum var. minus
Cosmarium conspersum f. parvum
Cosmarium conspersum var. rotundatum
Cosmarium conspersum var. scottii
Cosmarium conspersum var. subrotundatum
Cosmarium conspersum var. margaritatum