Citrus limon (L.) Osbeck (Synonym : Citrus limonium Risso)

Family : Rutaceae

Citrus sinensis (L.) Osbeck (Synonym : Citrus aurantium var. sinensis L.)

Family : Rutaceae

Citrus unshiu (Yu.Tanaka ex Swingle) Marcow.

Family : Rutaceae

Cladium chinense Nees

Family : Cyperaceae

Clausia trichosepala (Turcz.) F.Dvorák (Synonym : Hesperis limprichtii O.E.Schulz var. violacea O.E.Schulz)

Family : Brassicaceae

Cleistogenes hackelii (Honda) Honda (Synonym : Diplachne hackelii Honda)

Family : Poaceae

Cleistogenes hackelii (Honda) Honda var. nakaii (Keng) Ohwi (Synonym : Cleistogenes serotina (L.) Keng var. nakaii Keng)

Family : Poaceae

Clematis alpina (L.) Mill. var. ochotensis (Pall.) S.Watson (Synonym : Clematis ochotensis (Pall.) Poir.)

Family : Ranunculaceae

Clematis apiifolia DC. (Synonym : Clematis apiifolia DC. subsp. franchetii Kuntze)

Family : Ranunculaceae

Clematis brachyura Maxim. (Synonym : Clematis spectabilis Palib.)

Family : Ranunculaceae