| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| EUAR5 | Euphorbia articulata Aubl. | Chamaesyce articulata | Euphorbiaceae
|
| EUAR8 | Euphorbia arundelana Bartlett | Euphorbia ipecacuanhae | Euphorbiaceae
|
| EUAS2 | Euphorbia astyla Engelm. ex Boiss. | Chamaesyce astyla | Euphorbiaceae
|
| EUATK | Euphorbia atrococca Heller var. kilaueana Sherff | Chamaesyce atrococca | Euphorbiaceae
|
| EUATK2 | Euphorbia atrococca Heller var. kokeeana Sherff | Chamaesyce atrococca | Euphorbiaceae
|
| EUATT | Euphorbia atrococca Heller var. typica Sherff | Chamaesyce atrococca | Euphorbiaceae
|
| EUAT2 | Euphorbia atrococca Heller | Chamaesyce atrococca | Euphorbiaceae
|
| EUBA12 | Euphorbia barbellata Engelm. | Euphorbia cyathophora | Euphorbiaceae
|
| EUBE3 | Euphorbia berteriana Balbis ex Spreng. | Chamaesyce berteriana | Euphorbiaceae
|
| EUBI2 | Euphorbia bicolor Engelm. & Gray | snow on the prairie | Euphorbiaceae
|
| EUBI5 | Euphorbia bifida auct. non Hook. & Arn. | Chamaesyce hypericifolia | Euphorbiaceae
|
| EUBI3 | Euphorbia bifurcata Engelm. | forked spurge | Euphorbiaceae
|
| EUBI4 | Euphorbia bilobata Engelm. | blackseed spurge | Euphorbiaceae
|
| EUBL | Euphorbia blodgettii Engelm. ex A.S. Hitchc. | Chamaesyce blodgettii | Euphorbiaceae
|
| EUBO9 | Euphorbia bombensis Jacq. | Chamaesyce bombensis | Euphorbiaceae
|
| EUBRR | Euphorbia brachycera Engelm. var. robusta (Engelm.) Dorn | Euphorbia brachycera | Euphorbiaceae
|
| EUBR | Euphorbia brachycera Engelm. | horned spurge | Euphorbiaceae
|
| EUBR3 | Euphorbia brasiliensis Lam. | Chamaesyce hyssopifolia | Euphorbiaceae
|
| EUBR16 | Euphorbia breoni Nois. | | Euphorbiaceae
|
| EUBU | Euphorbia buxifolia Lam. | Chamaesyce mesembrianthemifolia | Euphorbiaceae
|
| EUCA29 | Euphorbia candelabrum Kotschy | | Euphorbiaceae
|
| EUCA28 | Euphorbia cap-saintemariensis Rauh | Euphorbia decaryi var. capsaintemariensis | Euphorbiaceae
|
| EUCA6 | Euphorbia capitellata Engelm. | Chamaesyce capitellata | Euphorbiaceae
|
| EUCA7 | Euphorbia carunculata Waterfall | Chamaesyce carunculata | Euphorbiaceae
|
| EUCEA | Euphorbia celastroides Boiss. var. amplectens Sherff | Chamaesyce celastroides var. amplectens | Euphorbiaceae
|
| EUCEH | Euphorbia celastroides Boiss. var. halawana Sherff | Chamaesyce celastroides var. amplectens | Euphorbiaceae
|
| EUCEH2 | Euphorbia celastroides Boiss. var. hanapepensis Sherff | Chamaesyce celastroides var. hanapepensis | Euphorbiaceae
|
| EUCEH4 | Euphorbia celastroides Boiss. var. haupuana Sherff | Chamaesyce celastroides var. celastroides | Euphorbiaceae
|
| EUCEH5 | Euphorbia celastroides Boiss. var. humbertii Sherff | Chamaesyce celastroides var. celastroides | Euphorbiaceae
|
| EUCEI | Euphorbia celastroides Boiss. var. ingrata O. Deg. & Sherff | Chamaesyce celastroides var. amplectens | Euphorbiaceae
|
| EUCEK | Euphorbia celastroides Boiss. var. kaenana Sherff | Chamaesyce celastroides var. kaenana | Euphorbiaceae
|
| EUCEK2 | Euphorbia celastroides Boiss. var. kealiana Sherff | Chamaesyce celastroides var. stokesii | Euphorbiaceae
|
| EUCEK3 | Euphorbia celastroides Boiss. var. kohalana Sherff | Chamaesyce celastroides var. amplectens | Euphorbiaceae
|
| EUCEL | Euphorbia celastroides Boiss. var. laehiensis O.& I. Deg. & Sherff | Chamaesyce celastroides var. laehiensis | Euphorbiaceae
|
| EUCEL2 | Euphorbia celastroides Boiss. var. lorifolia (Gray) Sherff | Chamaesyce celastroides var. lorifolia | Euphorbiaceae
|
| EUCEM | Euphorbia celastroides Boiss. var. mauiensis Sherff | Chamaesyce celastroides var. lorifolia | Euphorbiaceae
|
| EUCEM2 | Euphorbia celastroides Boiss. var. moomomiana Sherff | Chamaesyce celastroides var. stokesii | Euphorbiaceae
|
| EUCEN | Euphorbia celastroides Boiss. var. nelsonii St. John | Chamaesyce celastroides var. hanapepensis | Euphorbiaceae
|
| EUCEN2 | Euphorbia celastroides Boiss. var. nematopoda Sherff | Chamaesyce celastroides var. celastroides | Euphorbiaceae
|
| EUCEN3 | Euphorbia celastroides Boiss. var. niuensis Sherff | Chamaesyce celastroides var. kaenana | Euphorbiaceae
|
| EUCEO | Euphorbia celastroides Boiss. var. odonatoides O. Deg. & Sherff | Chamaesyce celastroides var. lorifolia | Euphorbiaceae
|
| EUCEP | Euphorbia celastroides Boiss. var. pseudoniuensis O. Deg. & Sherff | Chamaesyce atrococca | Euphorbiaceae
|
| EUCES | Euphorbia celastroides Boiss. var. saxicola O. Deg. & Sherff | Chamaesyce celastroides var. amplectens | Euphorbiaceae
|
| EUCES2 | Euphorbia celastroides Boiss. var. stokesii (Forbes) Sherff | Chamaesyce celastroides var. stokesii | Euphorbiaceae
|
| EUCET2 | Euphorbia celastroides Boiss. var. tomentella (Boiss.) Oudejans | Chamaesyce celastroides var. tomentella | Euphorbiaceae
|
| EUCET | Euphorbia celastroides Boiss. var. typica Sherff | Chamaesyce celastroides var. celastroides | Euphorbiaceae
|
| EUCEW | Euphorbia celastroides Boiss. var. waikoluensis Sherff | Chamaesyce celastroides var. amplectens | Euphorbiaceae
|
| EUCE | Euphorbia celastroides Boiss. | Chamaesyce celastroides var. celastroides | Euphorbiaceae
|
| EUCHT | Euphorbia chaetocalyx (Boiss.) Tidestrom var. triligulata (L.C. Wheeler) M.C. Johnston | Chamaesyce chaetocalyx var. triligulata | Euphorbiaceae
|
| EUCH10 | Euphorbia chaetocalyx (Boiss.) Tidestrom | Chamaesyce chaetocalyx var. chaetocalyx | Euphorbiaceae
|
| EUCH2 | Euphorbia chamaesula Boiss. | mountain spurge | Euphorbiaceae
|
| EUCH7 | Euphorbia chamaesyce auct. non L. | Chamaesyce prostrata | Euphorbiaceae
|
| EUCH5 | Euphorbia chapmanii Oudejans | Euphorbia nudicaulis | Euphorbiaceae
|
| EUCH6 | Euphorbia chiogenes (Small) Oudejans | Chamaesyce blodgettii | Euphorbiaceae
|
| EUCI2 | Euphorbia cinerascens Engelm. | Chamaesyce cinerascens | Euphorbiaceae
|
| EUCL3 | Euphorbia clusiifolia Hook. & Arn. | Chamaesyce clusiifolia | Euphorbiaceae
|
| EUCOE | Euphorbia commutata Engelm. var. erecta J.B.S. Norton | Euphorbia commutata | Euphorbiaceae
|
| EUCO8 | Euphorbia commutata Engelm. | tinted woodland spurge | Euphorbiaceae
|
| EUCO12 | Euphorbia conferta (Small) B.E. Sm. | Chamaesyce conferta | Euphorbiaceae
|
| EUCO22 | Euphorbia cordata Meyen | Chamaesyce degeneri | Euphorbiaceae
|
| EUCO9 | Euphorbia cordifolia Ell. | Chamaesyce cordifolia | Euphorbiaceae
|
| EUCOA | Euphorbia corollata L. var. angustifolia Ell. | Euphorbia corollata | Euphorbiaceae
|
| EUCOM | Euphorbia corollata L. var. mollis Millsp. | Euphorbia pubentissima | Euphorbiaceae
|
| EUCOP | Euphorbia corollata L. var. paniculata Boiss. | Euphorbia pubentissima | Euphorbiaceae
|
| EUCOZ | Euphorbia corollata L. var. zinniiflora (Small) Ahles | Euphorbia pubentissima | Euphorbiaceae
|
| EUCO10 | Euphorbia corollata L. | flowering spurge | Euphorbiaceae
|
| EUCO24 | Euphorbia cotinifolia L. | Mexican shrubby spurge | Euphorbiaceae
|
| EUCO21 | Euphorbia cowellii (Millsp. ex Britt.) Oudejans | Chamaesyce cowellii | Euphorbiaceae
|
| EUCR2 | Euphorbia crenulata Engelm. | Chinese caps | Euphorbiaceae
|
| EUCU4 | Euphorbia cumulicola (Small) Oudejans | Chamaesyce cumulicola | Euphorbiaceae
|
| EUCU9 | Euphorbia cuphosperma (Engelm.) Boiss. | | Euphorbiaceae
|
| EUCU3 | Euphorbia curtisii Engelm. | Curtis' spurge | Euphorbiaceae
|
| EUCY | Euphorbia cyathophora Murr. | fire on the mountain | Euphorbiaceae
|
| EUCY2 | Euphorbia cyparissias L. | cypress spurge | Euphorbiaceae
|
| EUDA2 | Euphorbia darlingtonii Gray | Euphorbia purpurea | Euphorbiaceae
|
| EUDA5 | Euphorbia davidii Subils | David's spurge | Euphorbiaceae
|
| EUDEC2 | Euphorbia decaryi Guillaumin var. capsaintemariensis (Rauh) Cremers | | Euphorbiaceae
|
| EUDE17 | Euphorbia decaryi Guillaumin | | Euphorbiaceae
|
| EUDEM | Euphorbia degeneri Sherff var. molokaiensis Sherff | Chamaesyce degeneri | Euphorbiaceae
|
| EUDET | Euphorbia degeneri Sherff var. typica Sherff | Chamaesyce degeneri | Euphorbiaceae
|
| EUDE5 | Euphorbia degeneri Sherff | Chamaesyce degeneri | Euphorbiaceae
|
| EUDE8 | Euphorbia delicatula auct. non Boiss. & Millsp. | Euphorbia bifurcata | Euphorbiaceae
|
| EUDES | Euphorbia deltoidea Engelm. ex Chapman var. serpyllum (Small) Oudejans | Chamaesyce deltoidea ssp. serpyllum | Euphorbiaceae
|
| EUDE6 | Euphorbia deltoidea Engelm. ex Chapman | Chamaesyce deltoidea ssp. deltoidea | Euphorbiaceae
|
| EUDE10 | Euphorbia dendroides L. | tree spurge | Euphorbiaceae
|
| EUDEC | Euphorbia dentata Michx. var. cuphosperma (Engelm.) Fern. | Euphorbia cuphosperma | Euphorbiaceae
|
| EUDED | Euphorbia dentata Michx. var. dentata | toothed spurge | Euphorbiaceae
|
| EUDEG | Euphorbia dentata Michx. var. gracillima Millsp. | Euphorbia davidii | Euphorbiaceae
|
| EUDEL2 | Euphorbia dentata Michx. var. lancifolia Farw. | Euphorbia davidii | Euphorbiaceae
|
| EUDEL | Euphorbia dentata Michx. var. lasiocarpa Boiss. | toothed spurge | Euphorbiaceae
|
| EUDEL3 | Euphorbia dentata Michx. var. linearis Engelm. ex Boiss. | Euphorbia dentata var. dentata | Euphorbiaceae
|
| EUDER | Euphorbia dentata Michx. var. rigida Engelm. | Euphorbia dentata var. dentata | Euphorbiaceae
|
| EUDE4 | Euphorbia dentata Michx. | toothed spurge | Euphorbiaceae
|
| EUDE16 | Euphorbia dentata auct. non Michx. | Euphorbia davidii | Euphorbiaceae
|
| EUDE7 | Euphorbia deppeana Boiss. | Chamaesyce deppeana | Euphorbiaceae
|
| EUDI6 | Euphorbia dictyosperma Fisch. & C.A. Mey. | Euphorbia spathulata | Euphorbiaceae
|
| EUDI5 | Euphorbia discoidalis Chapman | summer spurge | Euphorbiaceae
|
| EUEP | Euphorbia epithymoides L. | cushion spurge | Euphorbiaceae
|
| EUER2 | Euphorbia eriantha Benth. | beetle spurge | Euphorbiaceae
|
| EUEST | Euphorbia esula L. ssp. tommasiniana (Bertol.) Nyman | Euphorbia esula var. uralensis | Euphorbiaceae
|
| EUESE | Euphorbia esula L. var. esula | leafy spurge | Euphorbiaceae
|