List: word usually written using kana alone

usually written using kana alone  noun  noun (generic) 

• Salix koriyanagi (species of willow)

usually written using kana alone  noun  noun (generic) 

• osier (Salix viminalis)

usually written using kana alone  noun  noun (generic) 

• chosenia (Chosenia arbutifolia)

usually written using kana alone  noun  noun (generic) 

• Salix urbaniana (species of willow)

usually written using kana alone  noun  noun (generic) 

• nostoc

usually written using kana alone  noun  noun (generic) 

• Potentilla yokusaiana (species of cinquefoil)

usually written using kana alone  noun  noun (generic) 

• true indigo (Indigofera tinctoria)

usually written using kana alone  noun  noun (generic) 

• dyer's knotweed (Persicaria tinctoria, used to produce indigo dye)

usually written using kana alone  noun  noun (generic) 

• Oscillatoria (cyanobacteria)

usually written using kana alone  noun  noun (generic) 

• Russian false yellow lupine (Thermopsis lupinoides)