| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| ERVA | Eragrostis variabilis (Gaud.) Steud. | kawelu | Poaceae
|
| ERVI17 | Eragrostis virescens J. Presl | Eragrostis mexicana ssp. virescens | Poaceae
|
| ERVI16 | Eragrostis virginica (Zucc. ex Roemer) Steud. | Eragrostis scaligera | Poaceae
|
| ERWE3 | Eragrostis weigeltiana (Reichenb. ex Trin.) Bush | Neeragrostis reptans | Poaceae
|
| ERWHC | Eragrostis whitneyi Fosberg var. caumii Fosberg | Eragrostis paupera | Poaceae
|
| ERWH | Eragrostis whitneyi Fosberg | Eragrostis paupera | Poaceae
|
| ERAGR | Eragrostis von Wolf | lovegrass | Poaceae
|
| ERNE11 | Eranthemum nervosum (Vahl) R. Br. | Eranthemum pulchellum | Acanthaceae
|
| ERPU18 | Eranthemum pulchellum Andr. | blue-sage | Acanthaceae
|
| ERANT3 | Eranthemum L. | eranthemum | Acanthaceae
|
| ERHY4 | Eranthis hyemalis (L.) Salisb. | winter aconite | Ranunculaceae
|
| ERANT2 | Eranthis Salisb. | eranthis | Ranunculaceae
|
| ERAR2 | Erechtites arguta (A. Rich.) DC. | Erechtites glomerata | Asteraceae
|
| ERGL8 | Erechtites glomerata (Desf. ex Poir.) DC. | cutleaf burnweed | Asteraceae
|
| ERHI9 | Erechtites hieracifolia (L.) Raf. ex DC. | burnweed | Asteraceae
|
| ERHIC | Erechtites hieraciifolia (L.) Raf. ex DC. var. cacalioides (Fisch. ex Spreng.) Less. ex Griseb. | American burnweed | Asteraceae
|
| ERHIH | Erechtites hieraciifolia (L.) Raf. ex DC. var. hieraciifolia | American burnweed | Asteraceae
|
| ERHII | Erechtites hieraciifolia (L.) Raf. ex DC. var. intermedia Fern. | Erechtites hieraciifolia var. hieraciifolia | Asteraceae
|
| ERHIM | Erechtites hieraciifolia (L.) Raf. ex DC. var. megalocarpa (Fern.) Cronq. | American burnweed | Asteraceae
|
| ERHIP | Erechtites hieraciifolia (L.) Raf. ex DC. var. praealta (Raf.) Fern. | Erechtites hieraciifolia var. hieraciifolia | Asteraceae
|
| ERHI2 | Erechtites hieraciifolia (L.) Raf. ex DC. | American burnweed | Asteraceae
|
| ERME12 | Erechtites megalocarpa Fern. | Erechtites hieraciifolia var. megalocarpa | Asteraceae
|
| ERMI6 | Erechtites minima (Poir.) DC. | coastal burnweed | Asteraceae
|
| ERPR17 | Erechtites prenanthoides (A. Rich.) DC. | Erechtites minima | Asteraceae
|
| ERVA6 | Erechtites valerianifolia (Spreng.) DC. | tropical burnweed | Asteraceae
|
| ERECH | Erechtites Raf. | burnweed | Asteraceae
|
| EREX3 | Eremalche exilis (Gray) Greene | white mallow | Malvaceae
|
| ERKE4 | Eremalche kernensis C.B. Wolf | Eremalche parryi ssp. kernensis | Malvaceae
|
| ERPAK | Eremalche parryi (Greene) Greene ssp. kernensis (C.B. Wolf) Bates | Kern mallow | Malvaceae
|
| ERPAP9 | Eremalche parryi (Greene) Greene ssp. parryi | Parry's mallow | Malvaceae
|
| ERPA14 | Eremalche parryi (Greene) Greene | Parry's mallow | Malvaceae
|
| ERRO8 | Eremalche rotundifolia (Gray) Greene | desert fivespot | Malvaceae
|
| EREMA | Eremalche Greene | mallow | Malvaceae
|
| ERSE3 | Eremocarpus setigerus (Hook.) Benth. | Croton setigerus | Euphorbiaceae
|
| ERAN13 | Eremocarya angustifolia Torr. | Cryptantha angustifolia | Boraginaceae
|
| ERMIL6 | Eremocarya micrantha (Torr.) Greene var. lepida (Gray) J.F. Macbr. | Cryptantha micrantha var. lepida | Boraginaceae
|
| ERMI11 | Eremocarya micrantha (Torr.) Greene | Cryptantha micrantha var. micrantha | Boraginaceae
|
| ERCI10 | Eremochloa ciliaris (L.) Merr. | fringed centipede grass | Poaceae
|
| EROP | Eremochloa ophiuroides (Munro) Hack. | centipede grass | Poaceae
|
| EREMO2 | Eremochloa B�se | centipede grass | Poaceae
|
| ERGL9 | Eremocitrus glauca (Lindley) Swingle | Australian desert lime | Rutaceae
|
| EREMO8 | Eremocitrus Swingle | eremocitrus | Rutaceae
|
| ERAL | Eremocrinum albomarginatum (M.E. Jones) M.E. Jones | lonely lily | Liliaceae
|
| EREMO3 | Eremocrinum M.E. Jones | eremocrinum | Liliaceae
|
| ERAC6 | Eremogone aculeata (S. Wats.) S. Ikonnikov | Arenaria aculeata | Caryophyllaceae
|
| ERAM10 | Eremogone americana (Maguire) S. Ikonnikov | Arenaria capillaris ssp. americana | Caryophyllaceae
|
| ERCA22 | Eremogone capillaris (Poir.) Fenzl | Arenaria capillaris ssp. capillaris | Caryophyllaceae
|
| ERCO24 | Eremogone congesta (Nutt.) S. Ikonnikov | Arenaria congesta var. congesta | Caryophyllaceae
|
| EREA3 | Eremogone eastwoodiae (Rydb.) S. Ikonnikov | Arenaria eastwoodiae var. eastwoodiae | Caryophyllaceae
|
| ERFE3 | Eremogone fendleri (Gray) S. Ikonnikov | Arenaria fendleri var. fendleri | Caryophyllaceae
|
| ERHOD | Eremogone hookeri (Nutt.) W.A. Weber ssp. desertorum (Maguire) W.A. Weber | Arenaria hookeri ssp. desertorum | Caryophyllaceae
|
| ERHOP | Eremogone hookeri (Nutt.) W.A. Weber ssp. pinetorum (A. Nels.) W.A. Weber | Arenaria hookeri ssp. pinetorum | Caryophyllaceae
|
| ERHO13 | Eremogone hookeri (Nutt.) W.A. Weber | Arenaria hookeri ssp. hookeri | Caryophyllaceae
|
| ERKIU | Eremogone kingii (S. Wats.) S. Ikonnikov ssp. uintahensis (A. Nels.) W.A. Weber | Arenaria kingii ssp. uintahensis | Caryophyllaceae
|
| ERKI2 | Eremogone kingii (S. Wats.) S. Ikonnikov | Arenaria kingii ssp. kingii | Caryophyllaceae
|
| ERMA13 | Eremogone macradenia (S. Wats.) S. Ikonnikov | Arenaria macradenia ssp. macradenia var. macradenia | Caryophyllaceae
|
| ERPA21 | Eremogone parishiorum (B.L. Robins.) S. Ikonnikov | Arenaria macradenia ssp. macradenia var. macradenia | Caryophyllaceae
|
| ERPU17 | Eremogone pumicola (Coville & Leib.) S. Ikonnikov | Arenaria pumicola | Caryophyllaceae
|
| ERST8 | Eremogone stenomeres (Eastw.) S. Ikonnikov | Arenaria stenomeres | Caryophyllaceae
|
| ERUR5 | Eremogone ursina (B.L. Robins.) S. Ikonnikov | Arenaria ursina | Caryophyllaceae
|
| ERWR2 | Eremolepis wrightii Griseb. | Antidaphne wrightii | Eremolepidaceae
|
| ERMY3 | Eremonotus myriocarpus (Carrington) Lindb. & Kaal. ex Pearson | | Gymnomitriaceae
|
| EREMO9 | Eremonotus Lindb. & Kaal. ex Pearson | | Gymnomitriaceae
|
| ERSU17 | Eremophila subfloccosa Benth. | fuchsia bush | Myoporaceae
|
| EREMO10 | Eremophila R. Br. | eremophila | Myoporaceae
|
| ERBO3 | Eremopyrum bonaepartis (Spreng.) Nevski | tapertip false wheatgrass | Poaceae
|
| EROR7 | Eremopyrum orientale (L.) Jaubert & Spach | oriental false wheatgrass | Poaceae
|
| ERTR13 | Eremopyrum triticeum (Gaertn.) Nevski | annual wheatgrass | Poaceae
|
| EREMO5 | Eremopyrum (Ledeb.) Jaubert & Spach | false wheatgrass | Poaceae
|
| ERMA14 | Eremospatha macrocarpa (G. Mann & H. A. Wendl.) G. Mann & H. A. Wendl. | rattan palm | Arecaceae
|
| EREMO7 | Eremospatha (G. Mann & H. A. Wendl.) G. Mann & H. A. Wendl. | palm | Arecaceae
|
| ERALH | Erianthus alopecuroides (L.) Ell. var. hirsutis Nash | Saccharum alopecuroidum | Poaceae
|
| ERAL2 | Erianthus alopecuroides (L.) Ell. | Saccharum alopecuroidum | Poaceae
|
| ERBR2 | Erianthus brevibarbis Michx. | Saccharum brevibarbe var. brevibarbe | Poaceae
|
| ERCOE2 | Erianthus coarctatus Fern. var. elliottianus Fern. | Saccharum coarctatum | Poaceae
|
| ERCO35 | Erianthus coarctatus Fern. | Saccharum coarctatum | Poaceae
|
| ERCO2 | Erianthus contortus Ell. | Saccharum brevibarbe var. contortum | Poaceae
|
| ERDI11 | Erianthus divaricatus (L.) A.S. Hitchc. | Saccharum alopecuroidum | Poaceae
|
| ERGIC3 | Erianthus giganteus (Walt.) Beauv. var. compactus (Nash) Fern. | Saccharum giganteum | Poaceae
|
| ERGI | Erianthus giganteus (Walt.) Beauv. | Saccharum giganteum | Poaceae
|
| ERLA16 | Erianthus laxus Nash | Saccharum giganteum | Poaceae
|
| ERRAP2 | Erianthus ravennae (L.) Beauv. var. purpurascens (Anderss.) Hack. | Saccharum ravennae | Poaceae
|
| ERRA | Erianthus ravennae (L.) Beauv. | Saccharum ravennae | Poaceae
|
| ERSA15 | Erianthus saccharoides Michx. | Saccharum giganteum | Poaceae
|
| ERST2 | Erianthus strictus Ell. | Saccharum baldwinii | Poaceae
|
| ERTR17 | Erianthus tracyi Nash | Saccharum alopecuroidum | Poaceae
|
| ERAB | Eriastrum abramsii (Elmer) Mason | Abrams' woollystar | Polemoniaceae
|
| ERBR3 | Eriastrum brandegeeae Mason | Brandegee's woollystar | Polemoniaceae
|
| ERDEA | Eriastrum densifolium (Benth.) Mason ssp. austromontanum (Craig) Mason | Eriastrum densifolium | Polemoniaceae
|
| ERDEE | Eriastrum densifolium (Benth.) Mason ssp. elongatum (Benth.) Mason | Eriastrum densifolium | Polemoniaceae
|
| ERDEM2 | Eriastrum densifolium (Benth.) Mason ssp. mohavense (Craig) Mason | Eriastrum densifolium | Polemoniaceae
|
| ERDES | Eriastrum densifolium (Benth.) Mason ssp. sanctorum (Milliken) Mason | Eriastrum densifolium | Polemoniaceae
|
| ERDE2 | Eriastrum densifolium (Benth.) Mason | giant woollystar | Polemoniaceae
|
| ERDIH | Eriastrum diffusum (Gray) Mason ssp. harwoodii (Craig) Mason | Eriastrum sparsiflorum ssp. harwoodii | Polemoniaceae
|
| ERDIJ | Eriastrum diffusum (Gray) Mason ssp. jonesii Mason | Eriastrum diffusum | Polemoniaceae
|
| ERDI2 | Eriastrum diffusum (Gray) Mason | miniature woollystar | Polemoniaceae
|
| ERERE | Eriastrum eremicum (Jepson) Mason ssp. eremicum | desert woollystar | Polemoniaceae
|
| ERERY | Eriastrum eremicum (Jepson) Mason ssp. yageri (M.E. Jones) Mason | Yager's woollystar | Polemoniaceae
|
| ERER2 | Eriastrum eremicum (Jepson) Mason | desert woollystar | Polemoniaceae
|
| ERFI | Eriastrum filifolium (Nutt.) Woot. & Standl. | lavender woollystar | Polemoniaceae
|
| ERHO2 | Eriastrum hooveri (Jepson) Mason | Hoover's woollystar | Polemoniaceae
|