| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| EUMUL | Euphorbia multiformis Hook. & Arn. var. lorifolia Gray | Chamaesyce celastroides var. lorifolia | Euphorbiaceae
|
| EUMUM | Euphorbia multiformis Hook. & Arn. var. manoana Sherff | Chamaesyce celastroides var. amplectens | Euphorbiaceae
|
| EUMUM2 | Euphorbia multiformis Hook. & Arn. var. microphylla Boiss. | Chamaesyce multiformis var. microphylla | Euphorbiaceae
|
| EUMUM3 | Euphorbia multiformis Hook. & Arn. var. mohihiensis Sherff | Chamaesyce atrococca | Euphorbiaceae
|
| EUMUP | Euphorbia multiformis Hook. & Arn. var. perdita Sherff | Chamaesyce celastroides var. tomentella | Euphorbiaceae
|
| EUMUS | Euphorbia multiformis Hook. & Arn. var. sparsiflora (Heller) Sherff | Chamaesyce sparsiflora | Euphorbiaceae
|
| EUMUT2 | Euphorbia multiformis Hook. & Arn. var. tenuior Gray | Chamaesyce multiformis var. microphylla | Euphorbiaceae
|
| EUMUT | Euphorbia multiformis Hook. & Arn. var. tomentella Boiss. | Chamaesyce celastroides var. tomentella | Euphorbiaceae
|
| EUMUT3 | Euphorbia multiformis Hook. & Arn. var. typica Sherff | Chamaesyce multiformis var. multiformis | Euphorbiaceae
|
| EUMU2 | Euphorbia multiformis Hook. & Arn. | Chamaesyce multiformis var. multiformis | Euphorbiaceae
|
| EUMY2 | Euphorbia myrsinites L. | myrtle spurge | Euphorbiaceae
|
| EUMY4 | Euphorbia myrtifolia Hook. & Arn. | Chamaesyce arnottiana | Euphorbiaceae
|
| EUNE5 | Euphorbia neomexicana Greene | Chamaesyce serpyllifolia ssp. serpyllifolia | Euphorbiaceae
|
| EUNE2 | Euphorbia nephradenia Barneby | Paria spurge | Euphorbiaceae
|
| EUNE4 | Euphorbia neriifolia L. | Indian spurgetree | Euphorbiaceae
|
| EUNU3 | Euphorbia nudicaulis Chapman | Chapman's spurge | Euphorbiaceae
|
| EUNU | Euphorbia nutans Lag. | Chamaesyce nutans | Euphorbiaceae
|
| EUNU2 | Euphorbia nuttallii (Engelm.) Small | Chamaesyce missurica | Euphorbiaceae
|
| EUOA2 | Euphorbia oahuensis Skottsberg | Chamaesyce celastroides var. tomentella | Euphorbiaceae
|
| EUOB4 | Euphorbia oblongata Griseb. | eggleaf spurge | Euphorbiaceae
|
| EUOB3 | Euphorbia obtusata Pursh | Euphorbia spathulata | Euphorbiaceae
|
| EUOCA2 | Euphorbia ocellata Dur. & Hilg. ssp. arenicola (Parish) Oudejans | Chamaesyce ocellata ssp. arenicola | Euphorbiaceae
|
| EUOCA | Euphorbia ocellata Dur. & Hilg. var. arenicola (Parish) Jepson | Chamaesyce ocellata ssp. arenicola | Euphorbiaceae
|
| EUOCK | Euphorbia ocellata Dur. & Hilg. var. kirbyi J.T. Howell | Chamaesyce ocellata ssp. arenicola | Euphorbiaceae
|
| EUOCR | Euphorbia ocellata Dur. & Hilg. var. rattanii (S. Wats.) L.C. Wheeler | Chamaesyce ocellata ssp. rattanii | Euphorbiaceae
|
| EUOC3 | Euphorbia ocellata Dur. & Hilg. | Chamaesyce ocellata ssp. ocellata | Euphorbiaceae
|
| EUOD2 | Euphorbia odontadenia Boiss. | Euphorbia brachycera | Euphorbiaceae
|
| EUOE2 | Euphorbia oerstediana (Klotzsch & Garcke) Boiss. | West Indian spurge | Euphorbiaceae
|
| EUOLG | Euphorbia olowaluana Sherff var. gracilis (Rock) Sherff | Chamaesyce olowaluana | Euphorbiaceae
|
| EUOLL2 | Euphorbia olowaluana Sherff var. lepidofolia O. Deg. & Sherff | Chamaesyce olowaluana | Euphorbiaceae
|
| EUOLT | Euphorbia olowaluana Sherff var. typica Sherff | Chamaesyce olowaluana | Euphorbiaceae
|
| EUOL | Euphorbia olowaluana Sherff | Chamaesyce olowaluana | Euphorbiaceae
|
| EUOP | Euphorbia ophthalmica Pers. | Chamaesyce ophthalmica | Euphorbiaceae
|
| EUPAP | Euphorbia palmeri Engelm. ex S. Wats. var. palmeri | woodland spurge | Euphorbiaceae
|
| EUPAS | Euphorbia palmeri Engelm. ex S. Wats. var. subpubens (Engelm. ex S. Wats.) L.C. Wheeler | woodland spurge | Euphorbiaceae
|
| EUPA4 | Euphorbia palmeri Engelm. ex S. Wats. | woodland spurge | Euphorbiaceae
|
| EUPA25 | Euphorbia palustris L. | | Euphorbiaceae
|
| EUPA8 | Euphorbia paniculata Ell., non Desf. | Euphorbia pubentissima | Euphorbiaceae
|
| EUPA13 | Euphorbia paralias L. | sea spurge | Euphorbiaceae
|
| EUPA5 | Euphorbia parishii Greene | Chamaesyce parishii | Euphorbiaceae
|
| EUPA6 | Euphorbia parryi Engelm. | Chamaesyce parryi | Euphorbiaceae
|
| EUPA7 | Euphorbia pauciflora Nutt. ex Seem., non Dufour | Chamaesyce deppeana | Euphorbiaceae
|
| EUPE4 | Euphorbia pediculifera Engelm. | Chamaesyce pediculifera | Euphorbiaceae
|
| EUPE5 | Euphorbia peplidion Engelm. | low spurge | Euphorbiaceae
|
| EUPE6 | Euphorbia peplus L. | petty spurge | Euphorbiaceae
|
| EUPE7 | Euphorbia perennans (Shinners) Warnock & M.C. Johnston | Chamaesyce perennans | Euphorbiaceae
|
| EUPE11 | Euphorbia pergamena Small | Chamaesyce adenoptera ssp. pergamena | Euphorbiaceae
|
| EUPE14 | Euphorbia petaloidea Engelm. | Chamaesyce missurica | Euphorbiaceae
|
| EUPE8 | Euphorbia petiolaris Sims | manchineel berry | Euphorbiaceae
|
| EUPI7 | Euphorbia pilulifera auct. non L. | Chamaesyce hirta | Euphorbiaceae
|
| EUPI5 | Euphorbia pinetorum (Small) G.L. Webster | pineland spurge | Euphorbiaceae
|
| EUPL | Euphorbia platyphyllos L. | broadleaf spurge | Euphorbiaceae
|
| EUPL2 | Euphorbia platysperma Engelm. ex S. Wats. | Chamaesyce platysperma | Euphorbiaceae
|
| EUPL4 | Euphorbia plummerae S. Wats. | Euphorbia macropus | Euphorbiaceae
|
| EUPO9 | Euphorbia podperae Croizat | Euphorbia agraria | Euphorbiaceae
|
| EUPOH | Euphorbia polycarpa Benth. var. hirtella Boiss. | Chamaesyce polycarpa | Euphorbiaceae
|
| EUPOS | Euphorbia polycarpa Benth. var. simulans L.C. Wheeler | Chamaesyce simulans | Euphorbiaceae
|
| EUPO3 | Euphorbia polycarpa Benth. | Chamaesyce polycarpa | Euphorbiaceae
|
| EUPO4 | Euphorbia polygonifolia L. | Chamaesyce polygonifolia | Euphorbiaceae
|
| EUPO5 | Euphorbia polyphylla Engelm. ex Chapman | Lesser Florida spurge | Euphorbiaceae
|
| EUPOK | Euphorbia porteriana (Small) Oudejans var. keyensis (Small) Oudejans | Chamaesyce keyensis | Euphorbiaceae
|
| EUPOS2 | Euphorbia porteriana (Small) Oudejans var. scoparia (Small) Oudejans | Chamaesyce porteriana var. scoparia | Euphorbiaceae
|
| EUPO8 | Euphorbia porteriana (Small) Oudejans | Chamaesyce porteriana var. porteriana | Euphorbiaceae
|
| EUPOA | Euphorbia portoricensis Urban var. albescens Urban | Chamaesyce turpinii | Euphorbiaceae
|
| EUPO10 | Euphorbia portoricensis Urban | Chamaesyce turpinii | Euphorbiaceae
|
| EUPR6 | Euphorbia preslii Guss. | Chamaesyce nutans | Euphorbiaceae
|
| EUPR3 | Euphorbia prostrata Ait. | Chamaesyce prostrata | Euphorbiaceae
|
| EUPR5 | Euphorbia prunifolia Jacq. | Euphorbia heterophylla | Euphorbiaceae
|
| EUPS2 | Euphorbia pseudovirgata (Schur) So� | Euphorbia esula var. esula | Euphorbiaceae
|
| EUPU7 | Euphorbia pubentissima Michx. | false flowering spurge | Euphorbiaceae
|
| EUPU9 | Euphorbia pulcherrima Willd. ex Klotzsch | poinsettia | Euphorbiaceae
|
| EUPU4 | Euphorbia purpurea (Raf.) Fern. | Darlington's glade spurge | Euphorbiaceae
|
| EUPY | Euphorbia pycnanthema Engelm. | Chamaesyce capitellata | Euphorbiaceae
|
| EURA2 | Euphorbia radians Benth. | sun spurge | Euphorbiaceae
|
| EUREH | Euphorbia remyi Gray ex Boiss. var. hanaleiensis Sherff | Chamaesyce remyi var. hanaleiensis | Euphorbiaceae
|
| EUREK | Euphorbia remyi Gray ex Boiss. var. kahiliana Sherff | Chamaesyce remyi var. remyi | Euphorbiaceae
|
| EUREK2 | Euphorbia remyi Gray ex Boiss. var. kauaiensis O. Deg. & Sherff | Chamaesyce remyi var. kauaiensis | Euphorbiaceae
|
| EUREL | Euphorbia remyi Gray ex Boiss. var. leptopoda Sherff | Chamaesyce halemanui | Euphorbiaceae
|
| EUREL2 | Euphorbia remyi Gray ex Boiss. var. lydgatei Sherff | Chamaesyce remyi var. remyi | Euphorbiaceae
|
| EUREM | Euphorbia remyi Gray ex Boiss. var. molesta Sherff | Chamaesyce halemanui | Euphorbiaceae
|
| EUREO | Euphorbia remyi Gray ex Boiss. var. olokelensis Skottsberg & Sherff | Chamaesyce remyi var. remyi | Euphorbiaceae
|
| EUREP | Euphorbia remyi Gray ex Boiss. var. pteropoda Sherff | Chamaesyce remyi var. remyi | Euphorbiaceae
|
| EUREW | Euphorbia remyi Gray ex Boiss. var. wahiawana Sherff | Chamaesyce remyi var. remyi | Euphorbiaceae
|
| EUREW2 | Euphorbia remyi Gray ex Boiss. var. waimeana Sherff | Chamaesyce remyi var. remyi | Euphorbiaceae
|
| EUREW3 | Euphorbia remyi Gray ex Boiss. var. wilkesii Sherff | Chamaesyce halemanui | Euphorbiaceae
|
| EURE6 | Euphorbia remyi Gray ex Boiss. | Chamaesyce remyi var. remyi | Euphorbiaceae
|
| EURE12 | Euphorbia resinifera Berg | resin spurge | Euphorbiaceae
|
| EURE4 | Euphorbia revoluta Engelm. | Chamaesyce revoluta | Euphorbiaceae
|
| EURI2 | Euphorbia rivularis Heller | Chamaesyce celastroides var. hanapepensis | Euphorbiaceae
|
| EURO5 | Euphorbia robusta (Engelm.) Small ex. Britt. & Br. | Euphorbia brachycera | Euphorbiaceae
|
| EUROG | Euphorbia rockii Forbes var. grandifolia (Hbd.) Oudejans | Chamaesyce herbstii | Euphorbiaceae
|
| EURO6 | Euphorbia rockii Forbes | Chamaesyce rockii | Euphorbiaceae
|
| EURO7 | Euphorbia roemeriana Scheele | Roemer's spurge | Euphorbiaceae
|
| EUSE8 | Euphorbia segetalis L. | grainfield spurge | Euphorbiaceae
|
| EUSE4 | Euphorbia serpens Kunth | Chamaesyce serpens | Euphorbiaceae
|
| EUSEH | Euphorbia serpyllifolia Pers. ssp. hirtella (Engelm. ex S. Wats.) Oudejans | Chamaesyce serpyllifolia ssp. hirtella | Euphorbiaceae
|
| EUSEH2 | Euphorbia serpyllifolia Pers. var. hirtella (Engelm. ex S. Wats.) L.C. Wheeler | Chamaesyce serpyllifolia ssp. hirtella | Euphorbiaceae
|
| EUSE5 | Euphorbia serpyllifolia Pers. | Chamaesyce serpyllifolia ssp. serpyllifolia | Euphorbiaceae
|
| EUSE12 | Euphorbia serrata L. | serrate spurge | Euphorbiaceae
|
| EUSE6 | Euphorbia serrula Engelm. | Chamaesyce serrula | Euphorbiaceae
|
| EUSE7 | Euphorbia setiloba Engelm. ex Torr. | Chamaesyce setiloba | Euphorbiaceae
|