Caesalpinia gilliesii

Cakile maritima

Calicotome infesta

Calicotome spinosa

Calicotome villosa

Callistemon laevis

Callistemon massoti

Calluna vulgaris

Calotropis procera

Caltha palustris

Calystegia soldanella

Capparis spinosa

Carex arenaria

Carex comans bronze

Carex extensa

Carex flacca

Carex grayii

Carex muricata

Carex muskingumensis

Carex pendula

Carex riparia

Carex testacea

Carex vulpina

Carpinus betulus

Cassia artemisioides

Cassia corymbosa

Cassia italica

Castanea sativa

Ceanothus impressus

Celtis australis

Cenchrus ciliaris

Centranthus ruber

Cerastium tomentosum

Ceratonia siliqua

Cercis siliquastrum

Chamaerops humilis

Chasmanthe floribunda

Choisya ternata

Chrysopogon grillus

Cineraria maritima

Cistus albidus

Cistus clusii

Cistus creticus

Cistus crispus

Cistus ladanifer

Cistus laurifolius

Cistus monspeliensis

Cistus parviflorus

Cistus populifolius

Cistus psilosepalus

Cistus salviifolius

Cistus x argenteus

Cistus x corbariensis

Cistus x florentinus

Cistus x loretii

Cistus x pulverulentus

Cistus x purpureus

Cistus x skanbergii

Cladium mariscus

Clematis cirrhosa

Clematis flammula

Clematis vitalba

Cneoron tricoccon

Colutea arborescens

Convolvulus cneorum

Convolvulus sabatius

Coreopsis gigantea

Coriaria myrtifolia

Coris monspeliensis

Cornus mas

Cornus sanguinea

Coronilla emerus

Coronilla juncea

Coronilla viminalis

Corylus avellana

Corynephorus canescens

Cotonaster franchetii

Cotoneaster lactea

Crataegus monogyna

Crithmum maritimum

Crucianella maritima

Cyperus capitatus

Cyperus conglomeratus

Cytisus patens

Cytisus scoparius

Cytisus villosus

Calamagrostis brachytricha

Calamagrostis x acutiflora karlfoester

Calamagrostis x acutiflora overdam

Callistemon viridiflorus

Campanula cochlearifolia

Campylanthus salsoloides

Carex buchananii redrooster

Carex comans frosted curls

Carex flagellifera auburn

Carex morrowii ice dance

Carex oshimensis evergold

Carex oshimensis evergreen

Ceanothus thyrsiflorus var repens

Chrysothamnus nauseosus

Cistus x danseraui decumbens

Cistus x hybridus gold price

Convolvulus lanuginosus

Coronilla valentina var glauca

Cotoneaster horizontalis

Cotoneaster integerrimus

Cotoneaster nebrodensis

Cymbopogon schoenanthus

Cytisophyllum sessilifolium