Buxus sempervirens

Epilobium tetragonum
Epimedium alpinum
Epimedium colchicum
Epipactis helleborine
Epiphyllum crenatum
Equatorial Guinea
Equisetum arvense
Equisetum fluviatile
Equisetum laevigatum (smooth horsetail)
Equisetum palustre
Equisetum palustre (marsh horsetail)
Equisetum pratense (meadow horsetail)
Equisetum scirpoides (dwarf scouringrush)
Equisetum sylvaticum (woodland horsetail)
Equisetum telmateia
Equisetum variegatum (variegated scouringrush)
Equisetum x litorale
Eragrostis curtipedicellata (gummy lovegrass)
Eragrostis hypnoides (teal lovegrass)
Eragrostis minor (little lovegrass)
Eragrostis pectinacea (tufted lovegrass)
Eragrostis pectinacea var. pectinacea (tufted lovegrass)
Eragrostis refracta (coastal lovegrass)
Eragrostis sessilispica (tumble lovegrass)
Eragrostis trichodes (sand lovegrass)
Eranthis hyemalis
Eranthis hyemalis (winter aconite)
Erechtites hieraciifolia (American burnweed)
Erica carnea

Image of Buxus sempervirens 1
Credit: Photo by Leo Michels. Usage: Public Domain