Kadsura heteroclita (Roxburgh) Craib.

Kadsura japonica (L.) Dunal

Kalanchoe crenata (Andrews) Haw.

Kalanchoe glaucescens Britten

Kalanchoe synsepala Baker

Kerria japonica (L.) deCandolle 'Golden guinea'

Kirengeshoma palmata Yatabe

Kirengeshoma palmata Yatabe

Knipofia caulescens Baker

Koeleria vallesiana (Honck.) J.Gaudin

Koelreuteria bipinnata Franchet

Kolkwitzia amabilis Graebn.