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Cistus hystrix
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Cistus incanus ssp. Creticus
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Cistus ladanifer
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Cistus laurifolius

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Cistus monspeliensis ’Gorges du Tavignano’
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Cistus salvifolius ’Restonica’

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Cistus x cyprius var. ellipticus

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Cistus x dansereaui

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Cistus x dansereaui ’Decumbens’
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Cistus x laxus ‚Snow White‘
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Cistus x lenis ‚Grayswood Pink‘

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Citrus limon

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Citrus x limon ’Ponderosa’
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Cladastris kentuckea
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Cladastris lutea
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Cladrastis sinensis
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Clematis
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Clematis ‚Madame Le Coultre‘

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Clematis ’Wesselton’
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Clematis heracleifolia ’Blue Dwarf’
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Clematis integrifolia

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Clematis integrifolia ’Lethkill Dale’
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Clematis recta ‚Purpurea‘

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Clematis viticella

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Clerodendrum bungei ’Pink Diamond’
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Clerodendrum philippinum
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Clerodendrum trichotomum
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Clethra acuminata
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Clethra alnifolia ’Ruby Spice’
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Clethra alnifolia ’September Beauty’
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Clethra barbinervis
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Colchicum autumnale
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Colchicum hungaricum ’Rosea’
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Colchicum hungaricum ’Velebit Star’
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Colocasia ‚Black Magic‘
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Colocasia ‚China Pink‘
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Colocasia ‚Maui Gold‘
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Coniogramme emeiensis
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Convallaria ’Bridal Choice’
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Convallaria ’Hofheim’
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Convallaria majalis

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Convallaria majalis ‚Hardwick Hall‘

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Convallaria majalis ‚Hofheim‘
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Convallaria majalis ‚Striata‘

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Coreopsis ‚Red Shift‘

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Coreopsis ’El Dorado’
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Coreopsis ’Full Moon’

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Coreopsis lanceolata ’Sterntaler’
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Coreopsis tripteris
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Coreopsis verticillata _Moonbeam‘