Cosmarium speciosum var. biforme
Cosmarium speciosum var. rostafinskii
(tree size 1)
Cosmarium speciosum var. simplex
(tree size 1)
Cosmarium speciosum var. speciosum
Cosmarium speciosum f. americanum
Cosmarium speciosum var. australianum
Cosmarium speciosum var. difficile
Cosmarium speciosum var. incrassatum
Cosmarium speciosum f. intermedium
Cosmarium speciosum f. minus
Cosmarium speciosum f. validius
Cosmarium speciosum var. rectangularis
Cosmarium speciosum subsp. meridionale
Cosmarium speciosum var. slovenicum
Cosmarium speciosum var. ornatum
Cosmarium speciosum var. reductum
Cosmarium speciosum var. africanum
Cosmarium speciosum var. lapponicum
Cosmarium speciosum var. tibeticum
Cosmarium speciosum var. tumidum
Cosmarium speciosum var. difficilis
Cosmarium speciosum var. inflatum
Cosmarium speciosum var. tumindum