Carex planata Franch. & Sav

Carex aphanolepis Franch. & Sav

Carex nikoensis Franch. & Sav

Carex curvicollis Franch. & Sav

Carex curvicollis Franch. & Sav

Carex hakonensis Franch. & Sav

Carex hakonensis Franch. & Sav

Carex pachygyna Franch. & Sav

Carex nikoensis Franch. & Sav

Carex satsumensis Franch. & Sav

Carex curvicollis Franch. & Sav

Carex podogyna Franch. & Sav

Carex podogyna Franch. & Sav

Carex dickinsii Franch. & Sav

Carex dickinsii Franch. & Sav

Carex dickinsii Franch. & Sav

Carex dickinsii Franch. & Sav

Carex dickinsii Franch. & Sav

Carex curvicollis Franch. & Sav

Carex forficula Franch. & Sav

Carex nikoensis Franch. & Sav

Carex nervata Franch. & Sav

Carex curvicollis Franch. & Sav

Carex curvicollis Franch. & Sav

Carex podogyna Franch. & Sav

Carex traiziscana F.Schmidt

Carex traiziscana F.Schmidt

Carex disperma Dewey

Rhynchospora fauriei C.B.Clarke ex H.Lév

Melica nutans L

Carex nachiana Ohwi

Smithia japonica Maxim

Poa macrocalyx Trautv. & C. A. Mey

Cyperus iria L. var. paniciformis C.B.Clarke

Carex tenuiflora Wahlenb

Molinia japonica Hack

Ixeridium dentatum (Thunb.) Tzvelev

Poa fauriei Hack

Poa fauriei Hack

Carex maackii Maxim

Cuscuta japonica

Calamagrostis arundinacea (L.) Roth

Carex tenuiflora Wahlenb

Poa matsumurae Hack

Agrostis hideoi Ohwi

Setaria viridis (L.) P.Beauv. subsp. pachystachys (Franch. & Sav.) Masamura & Yanagih

Brylkinia caudata (Munro) F.Schmidt

Brylkinia caudata (Munro) F.Schmidt

Microstegium vimineum (Trin.) A.Camus