The main results are as follows. The spores of [Lepisorus ussuriensis (Regel et Maack) Ching], (Polypodium Vingineanum L.) , and [Pyrrosia davidii (Bak.)

• 在观察水龙骨科3属植物孢子中；乌苏里瓦韦[Lepisorus ussuriensis (Regel et Maack)Ching]东北多足蕨(Polypodium vignianum)和华北石韦[Pyrrosia davidii(Bak.；)