Echinocactus grandis Rose Isotype
Echinopepon pringlei Rose Isotype
Ehretia cordifolia Robinson Isotype
Ehretia mexicana Watson Isotype
Eleocharis aciculariformis Greenman Isotype
Elymus aristatus Merrill Isotype
Elymus innovatus Beal Holotype
Emmenanthe foliosa Jones Isotype
Encelia adenophora Greenman Isolectotype
Encelia glutinosa Robinson & Greenman Isotype
Encelia hypargyrea Robinson & Greenman Isotype
Encelia pringlei Fernald Isotype
Encelia rhombifolia Robinson & Greenman Isotype
Encelia squarrosa Greenman Unknown
Endiandra macrophylla Merr. Isotype
Epicampes anomala Scribner Holotype
Epicampes distichophylla var. mutica Scribner Syntype
Epicampes ligulata Scribner Isotype
Epilobium adscendens Suksdorf Isotype
Epilobium adscendens var. canescens Suksdorf Isotype
Epilobium glareosum G. N. Jones Isotype
Epilobium minutum var. glabrum Suksdorf Isotype
Epithema dolichopodum O.M. Hilliar & B.L. Burtt Isotype
Eragrostis erosa Scribn. Holotype
Eragrostis pallida Vasey Isotype
Eragrostis plumbea Scribner Lectotype
Eragrostis plumbea Scribner Syntype
Eragrostis pringlei Mattei & Tropea Holotype
Eragrostis pusilla Scribn. Holotype
Eragrostis tracyi Hitchcock Isotype
Eremocrinum albomarginatum M. E. Jones Unknown
Erianthus tracyi Nash Isotype
Erigeron astranthioides De Jong & Nesom Isotype
Erigeron basalticus Hoover Isotype
Erigeron caespitosus var. laccoliticus Jones Isotype
Erigeron caespitosus var. nauseous Jones Isotype
Erigeron chrysopsidis var. brevifolius Piper Isotype
Erigeron commixtus Greene Isotype
Erigeron flagellaris forma breviligulatus W. A. Weber Isotype
Erigeron heleniastrum Greene Isotype
Erigeron heteromorphus Robinson Isotype
Erigeron pallens Cronquist Holotype
Erigeron pulcherrimus A. Heller Isotype
Erigeron tracyi Greene Isotype
Erigeron vagus Payson Isotype
Eriocarpum megacephalum Nash Isotype
Eriocoma hemsleyana O. Kuntze Isotype
Eriogonum abertianum var. ruberrimum Gard. Isotype
Eriogonum alatum var. mogollense Stokes ex Jones Isolectotype
Eriogonum anemophylum var. cusickii Gard. Isotype
Eriogonum angulosum var. rectipes Gand. Isotype
Eriogonum apachense Rev. Isotype
Eriogonum argophyllum Reveal Isotype
Eriogonum aureum Jones Isotype
Eriogonum beatleyae var. helvinum Reveal Isotype
Eriogonum bicolor Jones Isotype
Eriogonum capistratum var. muhlickii Reveal Isotype
Eriogonum capitatum Heller Isotype
Eriogonum cernuum ssp. glaucescens S. Stokes Isotype
Eriogonum chrysops Rydb. Isotype
Eriogonum commixtum Greene ex Tidestr. Isotype
Eriogonum compositum var. pilicaule St. John & Warren Isotype
Eriogonum concinnum Reveal Isotype
Eriogonum correllii Reveal Isotype
Eriogonum corymbosum var. davidsei Reveal Isotype
Eriogonum corymbosum var. erectum Reveal & Brotherson Isotype
Eriogonum corymbosum var. velutinum Reveal Isotype
Eriogonum croceum Small ex Rydb. Isotype
Eriogonum cronquistii Reveal Isotype
Eriogonum cusickii Gand. Isotype
Eriogonum cusickii M. E. Jones Isotype
Eriogonum duchesnense Reveal Isotype
Eriogonum elatum var. limonifolium Gard. Isotype
Eriogonum elongatum var. areorivum Reveal Isotype
Eriogonum ephedroides Reveal Isotype
Eriogonum eremicum Reveal Isotype
Eriogonum fasciculatum var. emphereium Reveal Isotype
Eriogonum fasciculatum var. maritimum Parish Isotype
Eriogonum flavissimum Gand. Isotype
Eriogonum floridanum Small Isotype
Eriogonum glaberrimum Gand. Isotype
Eriogonum halimioides Gand. Isotype
Eriogonum heermannii var. clokeyi Reveal Isotype
Eriogonum heracleoides var. leucophaeum Reveal Isotype
Eriogonum heracleoides var. multiceps Gand. Isotype
Eriogonum holmgrenii Reveal Isotype
Eriogonum howellianum Reveal Isotype
Eriogonum humivagans Reveal Isotype
Eriogonum hylophilum Reveal & Brotherson Isotype
Eriogonum intermontanum Reveal Isotype
Eriogonum jonesii Watson Isotype
Eriogonum lancifolium Reveal & Brotherson Isotype
Eriogonum mecrothecum var. lapidicola Reveal Isotype
Eriogonum meledonum Reveal Isotype
Eriogonum myrianthum Gand. Isolectotype
Eriogonum niveum var. candelabrum Gand. Isotype
Eriogonum nodosum Small Isotype
Eriogonum nudicaule ssp. ochroflorum S. Stokes Isotype
Eriogonum nutans var. glabratum Reveal Isotype
Eriogonum ochrocephalum var. sceptrum Reveal Isotype
Eriogonum pannosum Woot. & Standl. Isotype
Eriogonum pharnaceoides var. cervinum Reveal Isotype
Eriogonum piperi var. ochrocephalum Gand. Isotype
Eriogonum polypodum Small Isotype
Eriogonum preclarum Reveal Isotype
Eriogonum pulvinatum Small Isotype
Eriogonum racemosum var. sagittatum Gard. Isotype
Eriogonum reliquum Stokes Isotype
Eriogonum roseiflorum Gand. Isotype
Eriogonum rotundifolium var. angustius Goodm. Isotype
Eriogonum rubidum Gand. Isotype
Eriogonum rubiflorum Jones Isotype
Eriogonum salicornioides Gand. Isotype
Eriogonum saurinum Reveal Isotype
Eriogonum scabrellum Reveal Isotype
Eriogonum scopulorum Reveal Isotype
Eriogonum sericoleucum Green ex Tidestr. Isotype
Eriogonum shockleyi var. parkardae Reveal Isotype
Eriogonum smallianum Heller Isotype
Eriogonum smithii Reveal Isotype
Eriogonum spathulare Gand Isotype
Eriogonum texanum Coult. & Fish. Isotype
Eriogonum thompsonae var. albiflorum Reveal Isotype
Eriogonum thompsonae var. atwoodii Reveal Isotype
Eriogonum thurberi var. parishii Gand. Isotype
Eriogonum thymoides var. pallens Gand. Isotype
Eriogonum umbellatum ssp. stellatum var. subaridum Stokes Isotype
Eriogonum umbellatum var. chlorothamnus Reveal Isotype
Eriogonum umbellatum var. chrysanthum Gand. Isotype
Eriogonum umbellatum var. clichrocephalum Gand. Isotype
Eriogonum umbellatum var. desereticum Reveal Isotype
Eriogonum umbellatum var. devestivum Reveal Isotype
Eriogonum umbellatum var. humistratum Reveal Isotype
Eriogonum umbellatum var. vernum Reveal Isotype
Eriogonum variabile Heller Isotype
Eriogonum verrucosum Reveal Isotype
Eriogonum vimineum var. oregonense Gard. Isotype
Eriogonum vineum Small Isolectoype
Eriogonum viridescens Heller Isotype
Eriogonum viridulum Reveal Isotype
Eriogonum wasatchense M. E. Jones Isolectotype
Eriosema multiflora Robinson Isotype
Eryngium commutatum Wolff Isotype
Eryngium involucratum Coulter & Rose Isotype
Eryngium longispinum Coult. & Rose Isotype
Eryngium mexicanum Watson Isotype
Eryngium painteri var. typicum Wolff Isotype
Eryngium piluarioides Hemsley & Rose Isotype
Eryngium pringlei Hemsley & Rose Isotype
Eryngium watsonii Coult. & Rose Isotype
Eryngium wolffii Mathias Isotype
Erysimum ammophilum A. A. Heller Isolectotype
Erythraea micrantha Greenman Isotype
Erythraea retusa B. L. Robinson & Greenman Isotype
Erythroxylum compactum Rose Unknown
Erythroxylum pringlei Rose Isotype
Eschscholzia apiculata Greene Isotype
Eschscholzia arvensis Greene Isotype
Eschscholzia dumetorum Greene Isotype
Eschscholzia formosa Greene Isosyntype
Eschscholzia helleriana Greene Isotype
Eucnide pringlei Rose Isotype
Eupatorium acutidentatum B.L. Robinson Isotype
Eupatorium ageratifolium var. acuminatum Coulter Isotype
Eupatorium anblyolepis B.L. Robinson Isotype
Eupatorium anchisteum Grashoff & Beaman Isotype
Eupatorium anomalum Nash Isotype
Eupatorium chrysostyloides B.L. Robinson Isotype
Eupatorium collodes Robinson & Greenman Isotype
Eupatorium crassirameum Robinson Isotype
Eupatorium dryophilum B.L. Robinson Syntype
Eupatorium durangense B.L. Robinson Isotype
Eupatorium eriocarpum B.L. Robsinson & Greenman Isotype
Eupatorium longifolium B.L. Robinson Isotype
Eupatorium lozanoanum B.L. Robinson Isotype
Eupatorium oreithales Greenman Isotype
Eupatorium oresbium B.L. Robinson Isotype
Eupatorium ovandense Grashoff & Beaman Holotype
Eupatorium pachypodum B. L. Robinson Isotype
Eupatorium photinum B.L. Robinson Isotype
Eupatorium pringlei B.L. Robinson & Greenman Isotype
Eupatorium rupicola B.L. Robinson & Greenman Isotype
Eupatorium smithii B.L. Robinson Isotype
Euphorbia apocynifolia Small Isotype
Euphorbia atrococca Heller Isotype
Euphorbia calcicola Fernald Isotype
Euphorbia campestris var. subpuberula Greenman Isotype
Euphorbia celastroides var. hanapepensis Sherff Isotype
Euphorbia chalicophila Weatherby Isotype
Euphorbia chamaecaula Weatherby Isotype
Euphorbia helleri Millsp. Isotype
Euphorbia hexagonoides Watson Isotype
Euphorbia jaliscensis Robinson & Greenman Isotype
Euphorbia longecornuta Watson Isotype
Euphorbia longeramosa Watson Isotype
Euphorbia luciismithii Robinson & Greenman Isosyntype
Euphorbia macropoides Robinson & Greenman Isotype
Euphorbia misella Watson Isotype
Euphorbia muscicola Fernald Isotype
Euphorbia oaxacana Robinson & Greenman Isotype
Euphorbia ramosa Seaton var. villosior Greenman Isotype
Euphorbia rivularis Heller Isotype
Euphorbia rubida Greenman Isotype
Euphorbia sparsiflora Heller Isotype
Euphorbia subcoerula Robinson & Greenman Isotype
Euphorbia subpeltata Watson Isotype
Euphorbia tricolor Greenman Isotype
Euphorbia var. villicaulis Fernald Isotype
Euphorbia violacea Greenman Isotype
Euphorbia xylopoda Greenman Isotype
Euphrasia williamsii Robinson Isotype
Eutetras pringlei Greenman Isotype
Everardia glaucifolia Gilly Holotype
Everardia gracilis Gilly Holotype
Everardia revoluta Gilly Holotype
Everardia steyermarkii Gilly Holotype
Everardia surinamensis Gilly Isotype
Evolvulus prostratus Robinson Isosyntype
Exochogyne amazonica var. esmeraldensis Gilly Isotype
Exochogyne steyermarkii Gilly Isotype