Rhamnus

Rhamnus cathartica

European buckthorn

Rhamnus alaternus

Mediterranean buckthorn

Rhamnus alpina

Alpine buckthorn

Rhamnus lycioides

Black hawthorn

Rhamnus saxatilis

Rock buckthorn

Rhamnus pumila

Rhamnus oleoides

Rhamnus crocea

Spiny redberry

Rhamnus alaternus subsp. alaternus

Rhamnus lycioides subsp. lycioides

Rhamnus saxatilis subsp. saxatilis

Rhamnus davuricus

Dahurian buckthorn

Rhamnus japonica

Japanese buckthorn

Rhamnus parvifolia

Rhamnus prinoides

Schefflera

Rhamnus myrtifolia

Rhamnus yoshinoi

Rhamnus utilis

Chinese buckthorn

Rhamnus napalensis

Rhamnus leptophylla