Pityrogramma williamsii

Pityrogramma williamsii 是蹄蓋蕨科（Pteridaceae）Pityrogramma 屬的植物，由 Proctor 於 1965 年發表。

Related species

Pityrogramma ebenea

Pityrogramma elongata

Pityrogramma × herzogii

Pityrogramma × mckenneyi

Pityrogramma × longipes

Pityrogramma ferruginea

Pteris pseudoamoena

Calciphilopteris alleniae

Calciphilopteris ludens

Pteris trifoliolata

Adiantum shastense

Calciphilopteris papuana