| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| ERFL7 | Erythrina flabelliformis Kearney | coralbean | Fabaceae
|
| ERFU2 | Erythrina fusca Lour. | bucayo | Fabaceae
|
| ERGL7 | Erythrina glauca Willd. | Erythrina fusca | Fabaceae
|
| ERHE4 | Erythrina herbacea L. | redcardinal | Fabaceae
|
| ERHO11 | Erythrina horrida Eggers | Erythrina eggersii | Fabaceae
|
| ERIN13 | Erythrina indica Lam. | Erythrina variegata | Fabaceae
|
| ERLI7 | Erythrina lithosperma Miq. | Erythrina subumbrans | Fabaceae
|
| ERPO5 | Erythrina poeppigiana (Walp.) O.F. Cook | mountain immortelle | Fabaceae
|
| ERSAL | Erythrina sandwicensis O. Deg. var. luteosperma St. John | Erythrina sandwicensis | Fabaceae
|
| ERSA11 | Erythrina sandwicensis O. Deg. | wili wili | Fabaceae
|
| ERSU15 | Erythrina subumbrans (Hassk.) Merr. | erythrina | Fabaceae
|
| ERTA2 | Erythrina tahitensis auct. p.p. non Nadeaud | Erythrina sandwicensis | Fabaceae
|
| ERVAO | Erythrina variegata L. var. orientalis L. | tiger's claw | Fabaceae
|
| ERVA7 | Erythrina variegata L. | tiger's claw | Fabaceae
|
| ERYTH | Erythrina L. | erythrina | Fabaceae
|
| ERRE11 | Erythrobarbula recurvirostris (Hedw.) Steere | Bryoerythrophyllum recurvirostre | Pottiaceae
|
| ERSP19 | Erythrochlamys spectabilis Guerke | | Lamiaceae
|
| ERYTH7 | Erythrochlamys Guerke | erythrochlamys | Lamiaceae
|
| ERCA31 | Erythrocoma campanulata Greene | Geum triflorum var. campanulatum | Rosaceae
|
| ERCA29 | Erythrocoma canescens Greene | Geum triflorum var. canescens | Rosaceae
|
| ERCI11 | Erythrocoma ciliata Pursh | Geum triflorum var. ciliatum | Rosaceae
|
| ERTR19 | Erythrocoma triflora (Pursh) Greene | Geum triflorum var. triflorum | Rosaceae
|
| ERHI6 | Erythrodes hirtella (Sw.) Fawcett & Rendle | Cuban false helmetorchid | Orchidaceae
|
| ERPL4 | Erythrodes plantaginea (L.) Fawcett & Rendle | Caribbean false helmetorchid | Orchidaceae
|
| ERQU2 | Erythrodes querceticola (Lindl.) Ames | Platythelys querceticola | Orchidaceae
|
| ERYTH2 | Erythrodes Blume | false helmetorchid | Orchidaceae
|
| ERALC | Erythronium albidum Nutt. var. coloratum Sterns | Erythronium mesochoreum | Liliaceae
|
| ERALM | Erythronium albidum Nutt. var. mesochoreum (Knerr) Rickett | Erythronium mesochoreum | Liliaceae
|
| ERAL9 | Erythronium albidum Nutt. | white fawnlily | Liliaceae
|
| ERAMA2 | Erythronium americanum Ker-Gawl. ssp. americanum | dogtooth violet | Liliaceae
|
| ERAMH | Erythronium americanum Ker-Gawl. ssp. harperi (W. Wolf) Parks & Hardin | dogtooth violet | Liliaceae
|
| ERAMR | Erythronium americanum Ker-Gawl. var. rubrum Farw. | Erythronium americanum ssp. harperi | Liliaceae
|
| ERAM5 | Erythronium americanum Ker-Gawl. | dogtooth violet | Liliaceae
|
| ERCA15 | Erythronium californicum Purdy | California fawnlily | Liliaceae
|
| ERCIC4 | Erythronium citrinum S. Wats. var. citrinum | cream fawnlily | Liliaceae
|
| ERCIR | Erythronium citrinum S. Wats. var. roderickii Shevock & Allen | Roderick's fawnlily | Liliaceae
|
| ERCI7 | Erythronium citrinum S. Wats. | cream fawnlily | Liliaceae
|
| EREL13 | Erythronium elegans Hammond & Chambers | Coast Range fawnlily | Liliaceae
|
| ERGIL | Erythronium giganteum Lindl. ssp. leucandrum Applegate | Erythronium oregonum ssp. leucandrum | Liliaceae
|
| ERGI6 | Erythronium giganteum auct. non Lindl. | Erythronium oregonum ssp. oregonum | Liliaceae
|
| ERGRC3 | Erythronium grandiflorum Pursh ssp. candidum Piper | yellow avalanche-lily | Liliaceae
|
| ERGRC4 | Erythronium grandiflorum Pursh ssp. chrysandrum Applegate | yellow avalanche-lily | Liliaceae
|
| ERGRG3 | Erythronium grandiflorum Pursh ssp. grandiflorum | yellow avalanche-lily | Liliaceae
|
| ERGRN2 | Erythronium grandiflorum Pursh ssp. nudipetalum Applegate | yellow avalanche-lily | Liliaceae
|
| ERGRP3 | Erythronium grandiflorum Pursh ssp. pusaterii Munz & J.T. Howell | Erythronium pusaterii | Liliaceae
|
| ERGRC | Erythronium grandiflorum Pursh var. candidum (Piper) Abrams | Erythronium grandiflorum ssp. candidum | Liliaceae
|
| ERGRC6 | Erythronium grandiflorum Pursh var. chrysandrum (Applegate) Scoggan | Erythronium grandiflorum ssp. chrysandrum | Liliaceae
|
| ERGRI2 | Erythronium grandiflorum Pursh var. idahoense (St. John & G.N. Jones) R.J. Davis | Erythronium grandiflorum ssp. candidum | Liliaceae
|
| ERGRN | Erythronium grandiflorum Pursh var. nudipetalum (Applegate) C.L. Hitchc. | Erythronium grandiflorum ssp. nudipetalum | Liliaceae
|
| ERGRP2 | Erythronium grandiflorum Pursh var. pallidum St. John | Erythronium grandiflorum ssp. grandiflorum | Liliaceae
|
| ERGR9 | Erythronium grandiflorum Pursh | yellow avalanche-lily | Liliaceae
|
| ERHE6 | Erythronium helenae Applegate | Pacific fawnlily | Liliaceae
|
| ERHE7 | Erythronium hendersonii S. Wats. | Henderson's fawnlily | Liliaceae
|
| ERHO10 | Erythronium howellii S. Wats. | Howell's fawnlily | Liliaceae
|
| ERID | Erythronium idahoense St. John & G.N. Jones | Erythronium grandiflorum ssp. candidum | Liliaceae
|
| ERKL | Erythronium klamathense Applegate | Klamath fawnlily | Liliaceae
|
| ERME15 | Erythronium mesochoreum Knerr | midland fawnlily | Liliaceae
|
| ERMO8 | Erythronium montanum S. Wats. | white avalanche-lily | Liliaceae
|
| ERMU7 | Erythronium multiscapoideum (Kellogg) A. Nels. & Kennedy | Sierra fawnlily | Liliaceae
|
| ERORL | Erythronium oregonum Applegate ssp. leucandrum (Applegate) Applegate | giant white fawnlily | Liliaceae
|
| ERORO | Erythronium oregonum Applegate ssp. oregonum | giant white fawnlily | Liliaceae
|
| EROR4 | Erythronium oregonum Applegate | giant white fawnlily | Liliaceae
|
| ERPA22 | Erythronium parviflorum (S. Wats.) Goodding | Erythronium grandiflorum ssp. chrysandrum | Liliaceae
|
| ERPL8 | Erythronium pluriflorum Shevock, Bartel & Allen | manyflower fawnlily | Liliaceae
|
| ERPR6 | Erythronium propullans Gray | Minnesota fawnlily | Liliaceae
|
| ERPU7 | Erythronium purpurascens S. Wats. | purple fawnlily | Liliaceae
|
| ERPU11 | Erythronium pusaterii (Munz & J.T. Howell) Shevock, Bartel & Allen | Kaweah Lakes fawnlily | Liliaceae
|
| ERRE5 | Erythronium revolutum Sm. | mahogany fawnlily | Liliaceae
|
| ERRO5 | Erythronium rostratum W. Wolf | yellow troutlily | Liliaceae
|
| ERTU | Erythronium tuolumnense Applegate | Tuolumne fawnlily | Liliaceae
|
| ERUMM4 | Erythronium umbilicatum Parks & Hardin ssp. monostolum Parks & Hardin | dimpled troutlily | Liliaceae
|
| ERUMU | Erythronium umbilicatum Parks & Hardin ssp. umbilicatum | dimpled troutlily | Liliaceae
|
| ERUM2 | Erythronium umbilicatum Parks & Hardin | dimpled troutlily | Liliaceae
|
| ERYTH3 | Erythronium L. | fawnlily | Liliaceae
|
| ERGU | Erythrophleum guineense G. Don | Erythrophleum suaveolens | Fabaceae
|
| ERSU14 | Erythrophleum suaveolens (Guillemin & Perrottet) Brenan | sasswood | Fabaceae
|
| ERYTH6 | Erythrophleum Afzel. ex R. Br. | sasswood | Fabaceae
|
| ERAR17 | Erythroxylum areolatum L. | swamp-redwood | Erythroxylaceae
|
| ERBR11 | Erythroxylum brevipes DC. | brisselet | Erythroxylaceae
|
| ERCOC11 | Erythroxylum coca Lam. var. coca | coca | Erythroxylaceae
|
| ERCOI | Erythroxylum coca Lam. var. ipadu Plowman | Amazonian coca | Erythroxylaceae
|
| ERCO41 | Erythroxylum coca Lam. | coca | Erythroxylaceae
|
| ERNON | Erythroxylum novogranatense (Morris) Hieron. var. novogranatense | Colombian coca | Erythroxylaceae
|
| ERNOT | Erythroxylum novogranatense (Morris) Hieron. var. truxillense (Rusby) Plowman | Trujillo coca | Erythroxylaceae
|
| ERNO5 | Erythroxylum novogranatense (Morris) Hieron. | Colombian coca | Erythroxylaceae
|
| ERRO3 | Erythroxylum rotundifolium Lunan | ratwood | Erythroxylaceae
|
| ERRU4 | Erythroxylum rufum Cav. | rufous false cocaine | Erythroxylaceae
|
| ERUR4 | Erythroxylum urbanii O.E. Schulz | Urban's false cocaine | Erythroxylaceae
|
| ERYTH5 | Erythroxylum P. Br. | coca | Erythroxylaceae
|
| ESMA80 | Escallonia macrantha Hook. & Arn. | Escallonia rubra var. macrantha | Grossulariaceae
|
| ESRUM | Escallonia rubra (Ruiz & Pav�n) Pers. var. macrantha (Hook. & Arn.) Reiche | redclaws | Grossulariaceae
|
| ESRU4 | Escallonia rubra (Ruiz & Pav�n) Pers. | redclaws | Grossulariaceae
|
| ESCAL | Escallonia Mutis ex L. f. | redclaws | Grossulariaceae
|
| ESCO2 | Eschenbachia coulteri (Gray) Rydb. | Laennecia coulteri | Asteraceae
|
| ESLY | Eschenbachia lyrata (Kunth) Britt. & Millsp. | Blumea viscosa | Asteraceae
|
| ESTE | Eschenbachia tenuisecta (Gray) Woot. & Standl. | Laennecia sophiifolia | Asteraceae
|
| ESCAK | Eschscholzia caespitosa Benth. ssp. kernensis Munz | Eschscholzia lemmonii ssp. kernensis | Papaveraceae
|
| ESCAH | Eschscholzia caespitosa Benth. var. hypecoides (Benth.) Gray | Eschscholzia hypecoides | Papaveraceae
|
| ESCA | Eschscholzia caespitosa Benth. | tufted poppy | Papaveraceae
|
| ESCAC | Eschscholzia californica Cham. ssp. californica | California poppy | Papaveraceae
|
| ESCAM | Eschscholzia californica Cham. ssp. mexicana (Greene) C. Clark | California poppy | Papaveraceae
|