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Pityrogramma

n. terrestrial tropical ferns having fronds with powdery yellowish or white undersides; sometimes placed in family Polypodiaceae or Adiantaceae

1、粉叶蕨属

迄今发现了11种蕨属于As超富集蕨类植物，其中lO 种为凤尾蕨属Pteris，1种为粉叶蕨属（Pityrogramma）如表l 所示，此外，澳大利亚粉叶蕨（Pityrogramma calomelanos vat． austroamericana）也有砷超富集功能四o。

Pityrogramma argentea Mett银粉叶蕨

n.terrestrial tropical ferns having fronds with powdery yellowish or white undersides; sometimes placed in family Polypodiaceae or Adiantaceae

同义词：genus Pityrogramma

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