Echinochloa colonum
Jungle Rice
Echinops bannaticus
Blue Globe-thistle
Echinopsis sp.
Cactus
Echium pininana
Giant Viper's-bugloss
Echium vulgare
Viper's-bugloss
Eclipta prostrata
False Daisy
Ehretia microphylla
Philippine Tea Tree
Elatine hexandra
Six-stamened Waterwort
Eleocharis acicularis
Needle Spike-rush
Eleocharis multicaulis
Many-stalked Spike-rush
Eleocharis palustris
Common Spike-rush
Eleocharis quinqueflora
Few-flowered Spike-rush
Eleogiton fluitans
Floating Club-rush
Elephantopus mollis
Tobacco Weed
Elymus athericus
Sea Couch
Elymus caninus
Bearded Couch
Elymus junceiformis
Sand Couch
Elymus repens
Common Couch
Embothrium coccineum
Chilean firetree
Emilia sonchifolia
Lilac Tasselflower
Empetrum nigrum
Crowberry
Epidendrum ibaguense
Crucifix Orchid
Epilobium alsinifolium
Chickweed Willowherb
Epilobium brunnescens
New Zealand Willowherb
Epilobium hirsutum
Great Willowherb
Epilobium montanum
Broad-leaved Willowherb
Epilobium palustre
Marsh Willowherb
Epilobium parviflorum
Hoary Willowherb
Epilobium tetragonum
Square-stalked Willowherb
Epipactis atrorubens
Dark-red Helleborine
Epipactis dunensis
Dune Helleborine
Epipactis gigantea
Stream Orchid
Epipactis helleborine
Broad-leaved Helleborine
Epipactis leptochila
Narrow-lipped Helleborine
Epipactis palustris
Marsh Helleborine
Epipactis phyllanthes
Green-flowered Helleborine
Epipactis purpurata
Violet Helleborine
Epipactis sp
Epiphyllum
Orchid Cactus
Epipremnum aureum
Devils Ivy
Epipremnum pinnatum
Taro Vine
Episcia cupreata
Flame Violet
Equisetum arvense
Field Horsetail
Equisetum fluviatile
Water Horsetail
Equisetum hyemale
Rough Horsetail
Equisetum palustre
Marsh Horsetail
Equisetum ramosissimum
Branched Horsetail
Equisetum sylvaticum
Wood Horsetail
Equisetum telmateia
Great Horsetail
Equisetum variegatum
Variegated Horsetail
Eranthis hyemalis
Winter Aconite
Erechtites valerianifolius
Tropical Burnweed
Erica arborea
Tree Heath
Erica carnea
Winter Heath
Erica cinerea
Bell Heather
Erica mackayana
Mackay's Heath
Erica terminalis
Corsican Heath
Erica tetralix
Cross-leaved Heath
Erica x stuartii
Erigeron acris
Blue Fleabane
Erigeron canadensis
Canadian Fleabane
Erigeron karvinskia
Erigeron karvinskianus
Mexican Fleabane
Erigeron sumatrensis
Guernsey Fleabane
Erinus alpinus
Fairy Foxglove
Eriocaulon aquaticum
Pipewort
Eriophorum angustifolium
Common Cottongrass
Eriophorum gracile
Slender Cottongrass
Eriophorum latifolium
Broad-leaved Cottongrass
Eriophorum vaginatum
Hare's-tail Cottongrass