Ptilodictya lanceolata
Ptilodictya angusta
Ptilodictya bifurcata
Ptilodictya canadensis
Ptilodictya capillaris
Ptilodictya costellata
Ptilodictya dichotoma
Ptilodictya dissecta
Ptilodictya ensiformis
Ptilodictya exiliformis
Ptilodictya exilis
Ptilodictya feisti
Ptilodictya flabellata
Ptilodictya flabellatiformis
Ptilodictya flagellum
Ptilodictya foliacea
Ptilodictya frondosa
Ptilodictya fucoides
Ptilodictya gigantea
Ptilodictya gladiola
Ptilodictya gracile
Ptilodictya halli
Ptilodictya intermedia
Ptilodictya internodia
Ptilodictya interporosa
Ptilodictya irregularis
Ptilodictya lineata
Ptilodictya multiramis
Ptilodictya nebulosa
Ptilodictya nitidula
Ptilodictya nodosa
Ptilodictya obliqua
Ptilodictya parallela
Ptilodictya perelegans
Ptilodictya plumaria
Ptilodictya potamogeton
Ptilodictya procera
Ptilodictya sublanceolata
Ptilodictya sulcata
Ptilodictya tarda
Ptilodictya tenella
Ptilodictya triangularis
Ptilodictya viluensis
Ptilodictya whiteavesi
Ptilodictya whitfieldi