Emilia coccinea Emilia sonchifolia var. javanica
Emmenopterys henryi Empetrum eamesii ssp. hermaphroditum
Empetrum nigrum Encelia farinosa
Encephalartos arenarius Encephalartos ferox
Encephalartos friderici guilielmi Encephalartos gratus
Encephalartos horridus Encephalartos humilis
Encephalartos latifrons Encephalartos lebomboensis
Encephalartos lehmannii Encephalartos munchii
Encephalartos princeps Encephalartos transvenosus
Encephalartos woodii Encyclia cordigera
Encyclia prismatocarpa Encyclia radiata
Engelmannia pinnatifida Enkianthus campanulatus
Enkianthus campanulatus 'Red Bells' Enkianthus perulatus 'J. L. Pennock'
Ensete ventricosum 'Maurelii' Enterolobium cyclocarpa
Epacris impressa Epacris longiflora
Ephedra viridis Epigaea repens
Epilobium angustifolium Epilobium canum ssp. canum
Epilobium canum ssp. canum 'Cloverdale' Epilobium canum ssp. latifolium
Epimedium acuminatum Epimedium alpinum 'Rubrum'
Epimedium x cantabrigiense Epimedium grandiflorum
Epimedium grandiflorum 'Rose Queen' Epimedium grandiflorum 'Spring Wedding'
Epimedium x perralchicum 'Frohnleiten' Epimedium pinnatum ssp. colchicum
Epimedium pubigerum Epimedium x rubrum
Epimedium x versicolor 'Sulphureum' Epimedium x warleyense
Epimedium x youngianum Epimedium x youngianum 'Niveum'
Epipremnum aureum Epipremnum aureum 'Tropic Green'
Episcia cupreata 'Silver Skies' Equisetum x
Equisetum arvense Equisetum hyemale
Equisetum scirpoides Eragrostis elliottii 'Pmint Rosita'
Eragrostis elliottii 'Wind Dancer' Eragrostis spectabilis
Eranthis cilicicia Eranthis hyemalis
Eremophila bignoniiflora Eremophila longifolia
Eremophila nivea Eremophila serpens
Eremurus 'Shelford Hybrids' Eremurus himalaicus
Eremurus robustus Eremurus stenophyllus
Erica albietina Erica arborea
Erica bauera Erica blandfordia
Erica brachialis Erica carnea
Erica carnea 'December Red' Erica carnea 'Sherwood Creeping'
Erica carnea 'Springwood White' Erica ciliaris 'Mrs. C.H. Gill'
Erica cinerea Erica cinerea 'Atropurpurea'
Erica cinerea 'Golden Drop' Erica cinerea 'Golden Sport'
Erica x darleyensis 'Kramers Rote' Erica x darleyensis 'Mediterranean Pink'
Erica x darleyensis 'Mediterranean White' Erica x darleyensis 'Silberschmelze'
Erica formosa Erica glandulosa
Erica hebecalyx Erica hirtiflora
Erica lateralis Erica parilis
Erica vagans 'St. Keverne' Ericameria laricifolia