Families (As per The Plant List)

 
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D

Daphniphyllaceae - 2 ( Daphniphyllum neilgherrense, Dimorphocalyx beddomei)

DAVALLIACEAE - 2 ( Araiostegia pulchra, Katoella squamata)

DENNSTAEDTIACEAE - 14 ( Dennstaedtia zeylanica, Histiopteris incisa, Hypolepis polypodioides, Hypolepis resistens, Microlepia firma, Microlepia hallbergii, Microlepia majuscula, Microlepia marginata, Microlepia nepalensis, Microlepia platyphylla, Microlepia rhomboidea, Microlepia speluncae, Microlepia strigosa, Pteridium revolutum)

Dichapetalaceae - 1 ( Dichapetalum gelonioides)

Dilleniaceae - 11 ( Acrotrema arnottianum, Acrotrema uniflorum var. uniflorum, Delima sarmentosa, Dillenia aurea, Dillenia bracteata, Dillenia indica, Dillenia pentagyna, Dillenia retusa, Dillenia suffruticosa, Tetracera akara, Tetracera indica)

Dioscoreaceae - 28 ( Dioscorea alata, Dioscorea belophylla, Dioscorea bulbifera, Dioscorea composita, Dioscorea esculenta, Dioscorea floribunda, Dioscorea glabra, Dioscorea hamiltonii, Dioscorea hispida, Dioscorea hispida var. daemona, Dioscorea intermedia, Dioscorea kalkapershadii, Dioscorea oppositifolia, Dioscorea oppositifolia var. dukhunensis, Dioscorea pentaphylla, Dioscorea pentaphylla var. communis, Dioscorea pentaphylla var. linnaei, Dioscorea pentaphylla var. rheedei, Dioscorea pubera, Dioscorea sativa, Dioscorea spicata, Dioscorea tomentosa, Dioscorea wallichii, Dioscorea wightii, Tacca integrifolia, Tacca leontopetaloides, Trichopus zeylanicus, Trichopus zeylanicus subsp. travancoricus)

DIPLAZIOPSIDACEAE - 1 ( Diplazium javanicum)

Dipterocarpaceae - 19 ( Dipterocarpus bourdillonii, Dipterocarpus indicus, Dipterocarpus turbinatus, Hopea canarensis, Hopea erosa, Hopea glabra, Hopea jacobi, Hopea parviflora, Hopea ponga, Hopea ponga var. cauveriana, Hopea racophloea, Hopea utilis, Hopea wightiana, Shorea robusta, Shorea roxburghii, Shorea tumbuggaia, Vateria indica, Vateria macrocarpa, Vatica chinensis)

Droseraceae - 3 ( Drosera burmanni, Drosera indica, Drosera peltata)

DRYOPTERIDACEAE - 31 ( Arachniodes palmipes, Arachniodes sledgei, Arachniodes tripinnata, Bolbitis angustipinna, Bolbitis appendiculata, Bolbitis aspleniifolia, Bolbitis beddomei, Bolbitis costata, Bolbitis costulata, Bolbitis presiliana, Bolbitis semicordata, Bolbitis subcrenata, Bolbitis virens, Bolbitis x lancea, Bolbitis x terminanes, Cyrtomium anomophyllum, Cyrtomium caryotideum, Dryopsis scabrosa, Dryopteris approximata, Dryopteris austro-indica, Dryopteris cochleata, Dryopteris hirtipes, Dryopteris juxtaposita, Dryopteris sparsa, Dryopteris wallichiana subsp. madrasensis, Elaphoglossum angulatum, Elaphoglossum nilgiricum, Polystichum harpophyllum, Polystichum kunthianum, Polystichum piceopaleaceum, Polystichum squarrosum)