| Substance | Abbreviation | Systematics | Provings |
| Ebenus cretica Cretan Ebony |
Ebenu-c | Leguminosae/ Fabaceae/ Papilionaceae |
|
| EBV Epstein Barr Virus, Mononucleosis infectiosa Morbus Pfeiffer |
EBV | Herpesviridae Nosoda |
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| Ecballium elaterium/ Elaterium Squirting Cucumber |
Elat | Cucurbitaceae |
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| Eccremocarpus scaber |
Eccr-s | Bignoniaceae |
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| Echeveria minima |
Echev-m | Crassulaceae |
|
| Echiichthys draco/ Trachinus draco Stingfish |
Trach | Trachinidae |
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| Echinacea angustifolia Narrow-leaved Cone-flower |
Echi | Asteraceae/ Compositae |
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| Echinacea purpurea Purple Cone-flower |
Echi-p | Asteraceae/ Compositae |
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| Echinocactus grusonii Golden Barrel Cactus |
Echino-g | Cactaceae |










