| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| EULI2 | Eupatorium linearifolium Walt. | Eupatorium glaucescens | Asteraceae
|
| EULI5 | Eupatorium linearifolium sensu Michx., non Walt. | Eupatorium hyssopifolium var. hyssopifolium | Asteraceae
|
| EULU3 | Eupatorium luciae-brauniae Fern. | Ageratina luciae-brauniae | Asteraceae
|
| EUMA17 | Eupatorium macrophyllum L. | Hebeclinium macrophyllum | Asteraceae
|
| EUMAB3 | Eupatorium maculatum L. ssp. bruneri (Gray) G.W. Douglas | Eupatorium maculatum var. bruneri | Asteraceae
|
| EUMAB2 | Eupatorium maculatum L. var. bruneri (Gray) Breitung | spotted joepyeweed | Asteraceae
|
| EUMAF | Eupatorium maculatum L. var. foliosum (Fern.) Wieg. | spotted joepyeweed | Asteraceae
|
| EUMAM | Eupatorium maculatum L. var. maculatum | spotted joepyeweed | Asteraceae
|
| EUMA6 | Eupatorium maculatum L. | spotted joepyeweed | Asteraceae
|
| EUMI8 | Eupatorium microstemon Cass. | Fleischmannia microstemon | Asteraceae
|
| EUMI7 | Eupatorium mikanioides Chapman | semaphore thoroughwort | Asteraceae
|
| EUMO4 | Eupatorium mohrii Greene | Mohr's thoroughwort | Asteraceae
|
| EUOC5 | Eupatorium occidentale Hook. | Ageratina occidentalis | Asteraceae
|
| EUOD | Eupatorium odoratum L. | Chromolaena odorata | Asteraceae
|
| EUOT | Eupatorium oteroi Monachino | Chromolaena oteroi | Asteraceae
|
| EUPA11 | Eupatorium parryi Gray | Flyriella parryi | Asteraceae
|
| EUPA10 | Eupatorium pauperculum Gray | Ageratina paupercula | Asteraceae
|
| EUPE12 | Eupatorium pectinatum Small | Eupatorium pinnatifidum | Asteraceae
|
| EUPEC | Eupatorium perfoliatum L. var. colpophilum Fern. & Grisc. | common boneset | Asteraceae
|
| EUPEC2 | Eupatorium perfoliatum L. var. cuneatum Engelm. ex Gray | Eupatorium truncatum | Asteraceae
|
| EUPEP | Eupatorium perfoliatum L. var. perfoliatum | common boneset | Asteraceae
|
| EUPET | Eupatorium perfoliatum L. var. truncatum (Muhl. ex Willd.) Gray | Eupatorium truncatum | Asteraceae
|
| EUPE3 | Eupatorium perfoliatum L. | common boneset | Asteraceae
|
| EUPE13 | Eupatorium petaloideum Britt. ex Small | Eupatorium album var. album | Asteraceae
|
| EUPI2 | Eupatorium pilosum Walt. | rough boneset | Asteraceae
|
| EUPI3 | Eupatorium �pinnatifidum Ell. | | Asteraceae
|
| EUPO11 | Eupatorium �polyneuron (F.J. Herm.) Wunderlin | Eupatorium truncatum | Asteraceae
|
| EUPO6 | Eupatorium polyodon Urban | Koanophyllon polyodon | Asteraceae
|
| EUPO7 | Eupatorium portoricense Urban | Critonia portoricensis | Asteraceae
|
| EUPU11 | Eupatorium pubescens Muhl. ex Willd. | Eupatorium rotundifolium var. ovatum | Asteraceae
|
| EUPUA | Eupatorium purpureum L. var. amoenum (Pursh) Gray | Eupatorium purpureum var. purpureum | Asteraceae
|
| EUPUH | Eupatorium purpureum L. var. holzingeri (Rydb.) E. Lamont | Holzinger's eupatorium | Asteraceae
|
| EUPUM | Eupatorium purpureum L. var. maculatum (L.) Darl. | Eupatorium maculatum var. maculatum | Asteraceae
|
| EUPUP | Eupatorium purpureum L. var. purpureum | sweetscented joepyeweed | Asteraceae
|
| EUPU10 | Eupatorium purpureum L. | sweetscented joepyeweed | Asteraceae
|
| EUPY2 | Eupatorium pycnocephalum Less. | Fleischmannia pycnocephala | Asteraceae
|
| EURE3 | Eupatorium recurvans Small | Eupatorium mohrii | Asteraceae
|
| EURE11 | Eupatorium resinifluum Urban | Ageratina resiniflua | Asteraceae
|
| EUREK3 | Eupatorium resinosum Torr. ex DC. var. kentuckiense Fern. | Eupatorium truncatum | Asteraceae
|
| EURE8 | Eupatorium resinosum Torr. ex DC. | Pine Barren thoroughwort | Asteraceae
|
| EURI4 | Eupatorium riparium Regel | Ageratina riparia | Asteraceae
|
| EURO8 | Eupatorium roanense Small | Ageratina altissima var. roanensis | Asteraceae
|
| EURO9 | Eupatorium rothrockii Gray | Ageratina rothrockii | Asteraceae
|
| EUROO2 | Eupatorium rotundifolium L. ssp. ovatum (Bigelow) Montgomery & Fairbrothers p.p. | Eupatorium rotundifolium var. ovatum | Asteraceae
|
| EUROC | Eupatorium rotundifolium L. var. cordigerum Fern. | roundleaf thoroughwort | Asteraceae
|
| EUROO | Eupatorium rotundifolium L. var. ovatum (Bigelow) Torr. | roundleaf thoroughwort | Asteraceae
|
| EUROR | Eupatorium rotundifolium L. var. rotundifolium | roundleaf thoroughwort | Asteraceae
|
| EUROS2 | Eupatorium rotundifolium L. var. saundersii (Porter ex Britt.) Cronq. | Eupatorium pilosum | Asteraceae
|
| EUROS | Eupatorium rotundifolium L. var. scabridum (Ell.) Gray | roundleaf thoroughwort | Asteraceae
|
| EURO4 | Eupatorium rotundifolium L. | roundleaf thoroughwort | Asteraceae
|
| EURUA | Eupatorium rugosum Houtt. var. angustata (Gray) Blake | Ageratina altissima var. angustata | Asteraceae
|
| EURUC | Eupatorium rugosum Houtt. var. chlorolepis Fern. | Ageratina altissima var. altissima | Asteraceae
|
| EURUR | Eupatorium rugosum Houtt. var. roanense (Small) Fern. | Ageratina altissima var. roanensis | Asteraceae
|
| EURUT | Eupatorium rugosum Houtt. var. tomentellum (B.L. Robins.) Blake | Ageratina altissima var. altissima | Asteraceae
|
| EURUV | Eupatorium rugosum Houtt. var. villicaule (Fern.) Blake | Ageratina altissima var. altissima | Asteraceae
|
| EURU6 | Eupatorium rugosum Houtt. | Ageratina altissima var. altissima | Asteraceae
|
| EUSA5 | Eupatorium saltuense Fern., non Agertina altissima (L.) King & H.E. Robins. | Eupatorium altissimum | Asteraceae
|
| EUSC2 | Eupatorium scabridum Ell. | Eupatorium rotundifolium var. scabridum | Asteraceae
|
| EUSEL | Eupatorium semiserratum DC. var. lancifolium Torr. & Gray | Eupatorium lancifolium | Asteraceae
|
| EUSE | Eupatorium semiserratum DC. | smallflower thoroughwort | Asteraceae
|
| EUSEP | Eupatorium serotinum Michx. var. polyneuron F.J. Herm. | Eupatorium truncatum | Asteraceae
|
| EUSE2 | Eupatorium serotinum Michx. | lateflowering thoroughwort | Asteraceae
|
| EUSEB | Eupatorium sessilifolium L. var. brittonianum Porter | upland boneset | Asteraceae
|
| EUSES | Eupatorium sessilifolium L. var. sessilifolium | upland boneset | Asteraceae
|
| EUSEV | Eupatorium sessilifolium L. var. vaseyi (Porter) Fern. & Grisc. | upland boneset | Asteraceae
|
| EUSE3 | Eupatorium sessilifolium L. | upland boneset | Asteraceae
|
| EUSH | Eupatorium shastense Taylor & Stebbins | Ageratina shastensis | Asteraceae
|
| EUSI8 | Eupatorium sinuatum Lam. | Chromolaena sinuata | Asteraceae
|
| EUSM2 | Eupatorium smithii Greene & C. Mohr | Eupatorium pinnatifidum | Asteraceae
|
| EUSO | Eupatorium solidaginifolium Gray | Koanophyllon solidaginifolium | Asteraceae
|
| EUSO2 | Eupatorium sonorae Gray | Fleischmannia sonorae | Asteraceae
|
| EUSO3 | Eupatorium sordidum Less. | Bartlettina sordida | Asteraceae
|
| EUST11 | Eupatorium steelei E. Lamont | Steele's eupatorium | Asteraceae
|
| EUTE9 | Eupatorium texense (Torr. & Gray) Rydb. | Ageratina havanensis | Asteraceae
|
| EUTO6 | Eupatorium torreyanum Short & Peter | Eupatorium hyssopifolium var. hyssopifolium | Asteraceae
|
| EUTO5 | Eupatorium tortifolium Chapman | Eupatorium glaucescens | Asteraceae
|
| EUTR7 | Eupatorium trifoliatum L. | Eupatorium purpureum var. purpureum | Asteraceae
|
| EUTR4 | Eupatorium triplinerve Vahl | yapana | Asteraceae
|
| EUTR5 | Eupatorium �truncatum Muhl. ex Willd. (pro sp.) | | Asteraceae
|
| EUURT | Eupatorium urticifolium Reichard var. tomentellum B.L. Robins. | Ageratina altissima var. altissima | Asteraceae
|
| EUUR4 | Eupatorium urticifolium Reichard | Ageratina altissima var. roanensis | Asteraceae
|
| EUVA2 | Eupatorium vaseyi Porter | Eupatorium sessilifolium var. vaseyi | Asteraceae
|
| EUVE4 | Eupatorium verbenifolium Reichard | Eupatorium rotundifolium var. rotundifolium | Asteraceae
|
| EUVE3 | Eupatorium veronicifolium Kunth | Brickellia veronicifolia var. veronicifolia | Asteraceae
|
| EUVI4 | Eupatorium villosum Sw. | Koanophyllon villosum | Asteraceae
|
| EUWR3 | Eupatorium wrightii Gray | Ageratina wrightii | Asteraceae
|
| EUPAT | Eupatorium L. | thoroughwort | Asteraceae
|
| EUAA | Euphorbia aaron-rossii A.& N. Holmgren | Marble Canyon spurge | Euphorbiaceae
|
| EUAB | Euphorbia abramsiana L.C. Wheeler | Chamaesyce abramsiana | Euphorbiaceae
|
| EUAC | Euphorbia acuta Engelm. | Chamaesyce acuta | Euphorbiaceae
|
| EUADP | Euphorbia adenoptera Bertol. ssp. pergamena (Small) Oudejans | Chamaesyce adenoptera ssp. pergamena | Euphorbiaceae
|
| EUAG | Euphorbia agraria Bieb. | urban spurge | Euphorbiaceae
|
| EUAL4 | Euphorbia albomarginata Torr. & Gray | Chamaesyce albomarginata | Euphorbiaceae
|
| EUAL5 | Euphorbia alta J.B.S. Norton | Euphorbia spathulata | Euphorbiaceae
|
| EUAM2 | Euphorbia ammannioides Kunth | Chamaesyce bombensis | Euphorbiaceae
|
| EUAN2 | Euphorbia angusta Engelm. | Chamaesyce angusta | Euphorbiaceae
|
| EUAN3 | Euphorbia antisyphilitica Zucc. | candelilla | Euphorbiaceae
|
| EUAP2 | Euphorbia apocynifolia Small | Euphorbia pubentissima | Euphorbiaceae
|
| EUAR2 | Euphorbia arizonica Engelm. | Chamaesyce arizonica | Euphorbiaceae
|
| EUAR6 | Euphorbia arkansana Engelm. & Gray | Euphorbia spathulata | Euphorbiaceae
|
| EUARI | Euphorbia arnottiana Endl. var. integrifolia (Hbd.) St. John | Chamaesyce multiformis var. multiformis | Euphorbiaceae
|