Spirogyra (genus)

Spirogyra aphanosculpta

Spirogyra catenaeformis

Spirogyra chenii

Spirogyra circumlineata

Spirogyra cleveana

Spirogyra collinsii

Spirogyra communis

Spirogyra crassa

Spirogyra decimina

Spirogyra dentireticulata

Spirogyra diluta

Spirogyra dubia

Spirogyra ellipsospora

Spirogyra emilianensis

Spirogyra farlowii

Spirogyra fluviatilis

Spirogyra gratiana

Spirogyra hatillensis

Spirogyra hornschuchii

Spirogyra hyalina

Spirogyra inconstans

Spirogyra inflata

Spirogyra insignis

Spirogyra jurgensii

Spirogyra kuusamoensis

Spirogyra laxa

Spirogyra longata

Spirogyra lutetiana

Spirogyra majuscula

Spirogyra malmeana

Spirogyra mienningensis

Spirogyra mirabilis

Spirogyra neglecta

Spirogyra nitida

Spirogyra novaeangliae

Spirogyra occidentalis

Spirogyra orthospira

Spirogyra perforans

Spirogyra porticalis

Spirogyra pratensis

Spirogyra protecta

Spirogyra pulchrifigurata

Spirogyra punctata

Spirogyra quadrata

Spirogyra quinina

Spirogyra reflexa

Spirogyra rivularis

Spirogyra setiformis

Spirogyra singularis

Spirogyra stictica

Spirogyra submarina

Spirogyra subsalsa

Spirogyra tenuissima

Spirogyra torta

Spirogyra varians

Spirogyra weberi

Cosmocladium

Debarya

Docidium

Euastridium

Hallasia

Mougeotia

Mougeotiopsis

Sirogonium

Spirogyra

Teilingia

Zygnema

Zygogonium