| Botanical Name |
Authority |
| Echinacea laevigata |
ESA-T |
| Echinacea tennesseensis |
ESA-T |
| Echinocereus arizonicus ssp. arizonicus |
ESA-E |
| Echinocactus horizonthalonius v. nicholii |
ESA-E |
| Echinocereus chisosensis v. chisosensis |
ESA-T |
| Echinocereus davisii (also as viridiflorus var. davisii) |
ESA-E |
| Echinocereus fendleri var. kuenzleri |
ESA-T |
| Echinocereus ferreirianus ssp. lindsayi |
CITES |
| Echinocereus reichenbachii v.albertii |
ESA-E |
| Echinocereus (= Wilcoxii) schmollii (incl W. nerispina) |
CITES |
| Echinocereus triglochidiatus v. arizonicus |
ESA-T |
| Echinocereus viridiflorus v. davisii |
ESA-E |
| Echinochloa spp. |
NAPPRA |
| Echinomastus (= Sclerocactus) mariposensis |
CITES |
| Echinomastus (= Sclerocactus) spp. |
CITES |
| Echinomastus acunensis (= Sclerocactus erectocentrus) |
CITES, ESA-E |
| Echinomastus krausei (= Sclerocactus erectocentrus) |
CITES, ESA-E |
| Echinopsis pachanoi |
CITES |
| Echinospardium horridum |
NARGS |
| Echoniocactus (= Pediocactus) sileri |
CITES |
| Ehrharta calycina |
FSA-A |
| Eichornia azurea |
NW |
| Elaphoglossum serpens |
ESA-E |
| Elatine ambigua |
NAPPRA |
| Electrostachys spp. |
NAPPRA |
| Elephanthera spp. |
Parasitic |
| Eleocharis kuroguwai |
NAPPRA |
| Eleusine spp. |
NAPPRA |
| xElymotriticum |
NAPPRA |
| Elymus spp. |
NAPPRA |
| Elymus canadensis |
FSA-A |
| Elymus elymoides |
FSA-A |
| Elymus lanceolatus ssp. lanceolatus |
FSA-A |
| Elymus trachycaulus |
FSA-A |
| Elytranthe spp. |
Parasitic |
| xElytricale |
NAPPRA |
| xElytritilops |
NAPPRA |
| Elytrigia (= Agropyron) repens |
NW |
| Elytrigia intermedia |
FSA-A |
| Elytrostachys spp. |
NAPPRA |
| Emelianthe spp. |
Parasitic |
| Emex australis |
NW |
| Emex spinosa (Rumex spinosa) |
NW |
| Empleurum spp. |
NAPPRA |
| Enceliopsis nudicaulis v. corrugata |
ESA-T |
| Encephalartos spp. |
CITES |
| Encephelartos spp. |
CITES |
| Encephalocarpus (= Pelecyphora) spp. |
CITES |
| Englerina spp. |
Parasitic |
| Engomegom spp. |
Parasitic |
| Epifagus spp. |
Parasitic |
| Eragrostis curvula |
FSA-A |
| Eragrostis fosbergii |
ESA-E |
| Eragrostis trichodes |
FSA-A |
| Eremalche parryi ssp. kernensis |
ESA-E |
| Eremetilla spp. |
Parasitic |
| Eremocaulon spp. |
NAPPRA |
| Eremocitrus |
NAPPRA |
| Eremogone ursina |
ESA-T |
| Eremolepis spp. |
Parasitic |
| Erianthemum spp. |
Parasitic |
| Eriastrum densifolium ssp. sanctorum |
ESA-E |
| Erica arborea |
NAPPRA |
| Erigeron decumbens v. decumbens |
ESA-E |
| Erigeron parishii |
ESA-T |
| Erigeron rhizomatus |
ESA-T |
| Eriodictyon altissimum |
ESA-E |
| Eriodictyon capitatum |
ESA-E |
| Eriogonum apricum (incl. v. prostratum) |
ESA-E |
| Eriogonum codium |
ESA-T |
| Eriogonum gypsophilum |
ESA-T |
| Eriogonum kennedyi v. austromontanum |
ESA-T |
| Eriogonum longifolium v. gnaphalifolium |
ESA-T |
| Eriogonum ovalifolium v. vineum |
ESA-E |
| Eriogonum ovalifolium v. williamsiae |
ESA-E |
| Eriogonum pelinophilum |
ESA-E |
| Eriogonum tiehmii |
ESA-E |
| Eriophyllum latilobum |
ESA-E |
| Eriostemon spp. |
NAPPRA |
| Erodium cicutarium |
FSA-A |
| Ertela spp. |
NAPPRA |
| Eryngium aristulatum v. parishii |
ESA-E |
| Eryngium constancei |
ESA-E |
| Eryngium cuneifolium |
ESA-E |
| Eryngium sparganophyllum |
ESA-E |
| Erysimum capitatum v. angustatum |
ESA-E |
| Erysimum menziesii |
ESA-E |
| Erysimum teretifolium |
ESA-E |
| Erythranthe (Mimulus) michiganensis |
ESA-E |
| Erythrochiton spp. |
NAPPRA |
| Erythronium propullans |
ESA-E |
| Erythroplum spp. |
Parasitic |
| Erythroxylum coca |
CBP-controlled |
| Escobaria minima |
CITES, ESA-E |
| Escobaria neilleae (= E. minima) |
CITES, ESA-E |
| Escobaria robbinsiorum |
ESA-T |
| Escobaria sneedii (incl. v. leei) |
CITES |
| Escobedia spp. |
Parasitic |
| Esenbeckia spp. |
NAPPRA |
| Esterhazya spp. |
Parasitic |
| Eubrachion spp. |
Parasitic |
| Euchaetis spp. |
NAPPRA |
| Euchlaena spp. |
NAPPRA |
| Euclea dinvinorum |
NAPPRA |
| Eugenia bryanii |
ESA-E |
| Eugenia haematocarpa |
ESA-E |
| Eugenia koolauensis |
ESA-E |
| Eugenia woodburyana |
ESA-T |
| Euodia spp. |
NAPPRA |
| Euphorbia ambovombensis |
CITES |
| Euphorbia capsaintemariensis (= decaryi c.) |
CITES |
| Euphorbia celastroides var. kaenana |
ESA-E |
| Euphorbia cremersii (incl: f. viridifolia; v. rakotozafyi) |
CITES |
| Euphorbia cylindrifolia (incl. ssp. tuberifer) |
CITES |
| Euphorbia decaryi (incl: all var.) |
CITES |
| Euphorbia (= Chamesyce) deltoidea |
ESA-T |
| Euphorbia (= Chamesyce) deppeana |
ESA-E |
| Euphorbia eleanoriae |
ESA-E |
| Euphorbia francoisii |
CITES |
| Euphorbia garberi |
ESA-T |
| Euphorbia haeleeleana |
ESA-E |
| Euphorbia halemanui |
ESA-E |
| Euphorbia herbstii |
ESA-E |
| Euphorbia hooveri |
ESA-T |
| Euphorbia kuwaleana |
ESA-E |
| Euphorbia moratii (incl: v. antsingiensis bemarahensis multiflora) |
CITES |
| Euphorbia parvicyathophora |
CITES |
| Euphorbia quartziticola |
CITES |
| Euphorbia rockii |
ESA-E |
| Euphorbia telephioides |
ESA-T |
| Euphorbia terracina |
NW |
| Euphorbia tulearensis |
CITES |
| Euphoria remyi var. kauaiensis; var. remyi |
ESA-E |
| Euphoria skottsbergii var. skottsbergii |
ESA-E |
| Euphrasia spp. |
Parasitic |
| Eutrema penlandii |
ESA-T |
| Euxylophora spp |
NAPPRA |
| Evodiella spp. |
NAPPRA |
| Exocarpos luteolus |
Parasitic, ESA-E |
| Exocarpos spp. |
Parasitic, ESA-E |
| Exorhopala spp. |
Parasitic |
