- Erythroseris somalensis — likely to require a low level of donation
- Erythroseris somaliensis — likely to require a low level of donation
- Eschenbachia blinii — likely to require a low level of donation
- Eschenbachia leucantha — likely to require a low level of donation
- Eschenbachia maxima — likely to require a low level of donation
- Eschenbachia muliensis — likely to require a low level of donation
- Eschenbachia perennis — likely to require a low level of donation
- Eschenbachia rufa — likely to require a low level of donation
- Espejoa mexicana — likely to require a low level of donation
- Espeletia acuminata — likely to require a low level of donation
- Espeletia algodonosa — likely to require a low level of donation
- Espeletia almorzana — likely to require a low level of donation
- Espeletia annemariana — likely to require a low level of donation
- Espeletia arbelaezii — likely to require a low level of donation
- Espeletia argentea — likely to require a low level of donation
- Espeletia ariana — likely to require a low level of donation
- Espeletia aristeguietana — likely to require a low level of donation
- Espeletia aurantia — likely to require a low level of donation
- Espeletia azucarina — likely to require a low level of donation
- Espeletia barclayana — likely to require a low level of donation
- Espeletia batata — likely to require a low level of donation
- Espeletia bogotensis — likely to require a low level of donation
- Espeletia boyacensis — likely to require a low level of donation
- Espeletia brachyaxiantha — likely to require a low level of donation
- Espeletia brassicoidea — likely to require a low level of donation
- Espeletia cabrerensis — likely to require a low level of donation
- Espeletia cachaluensis — likely to require a low level of donation
- Espeletia canescens — likely to require a low level of donation
- Espeletia cayetana — likely to require a low level of donation
- Espeletia chocontana — likely to require a low level of donation
- Espeletia chontalensis — likely to require a low level of donation
- Espeletia cleefii — likely to require a low level of donation
- Espeletia congestiflora — likely to require a low level of donation
- Espeletia conglomerata — likely to require a low level of donation
- Espeletia cuniculorum — likely to require a low level of donation
- Espeletia curialensis — likely to require a low level of donation
- Espeletia discoidea — likely to require a low level of donation
- Espeletia dugandii — likely to require a low level of donation
- Espeletia episcopalis — likely to require a low level of donation
- Espeletia estanislana — likely to require a low level of donation
- Espeletia formosa — likely to require a low level of donation
- Espeletia frontinoensis — likely to require a low level of donation
- Espeletia funckii — likely to require a low level of donation
- Espeletia garcibarrigae — likely to require a low level of donation
- Espeletia grandiflora — likely to require a low level of donation
- Espeletia guascensis — likely to require a low level of donation
- Espeletia hartwegiana — likely to require a low level of donation
- Espeletia haughtii — likely to require a low level of donation
- Espeletia idroboi — likely to require a low level of donation
- Espeletia incana — likely to require a low level of donation
- Espeletia jajoensis — likely to require a low level of donation
- Espeletia jaramilloi — likely to require a low level of donation
- Espeletia killipii — likely to require a low level of donation
- Espeletia lindenii — likely to require a low level of donation
- Espeletia lopezii — likely to require a low level of donation
- Espeletia marnixiana — likely to require a low level of donation
- Espeletia marthae — likely to require a low level of donation
- Espeletia mirabilis — likely to require a low level of donation
- Espeletia miradorensis — likely to require a low level of donation
- Espeletia murilloi — likely to require a low level of donation
- Espeletia mutabilis — likely to require a low level of donation
- Espeletia nana — likely to require a low level of donation
- Espeletia nemekenei — likely to require a low level of donation
- Espeletia occidentalis — likely to require a low level of donation
- Espeletia oswaldiana — likely to require a low level of donation
- Espeletia pachoana — likely to require a low level of donation
- Espeletia paipana — likely to require a low level of donation
- Espeletia perijaensis — likely to require a low level of donation
- Espeletia pescana — likely to require a low level of donation
- Espeletia pisbana — likely to require a low level of donation
- Espeletia praefontina — likely to require a low level of donation
- Espeletia praefrontina — likely to require a low level of donation
- Espeletia praesidentis — likely to require a low level of donation
- Espeletia pulcherrima — likely to require a low level of donation
- Espeletia pycnophylla — likely to require a low level of donation
- Espeletia raquirensis — likely to require a low level of donation
- Espeletia rauirensis — likely to require a low level of donation
- Espeletia roberti — likely to require a low level of donation
- Espeletia rositae — likely to require a low level of donation
- Espeletia rufescens — likely to require a low level of donation
- Espeletia santaderensis — likely to require a low level of donation
- Espeletia schultesiana — likely to require a low level of donation
- Espeletia schultzii — likely to require a low level of donation
- Espeletia semiglobulata — likely to require a low level of donation
- Espeletia smithiana — likely to require a low level of donation
- Espeletia soroca — likely to require a low level of donation
- Espeletia spicata — likely to require a low level of donation
- Espeletia standleyana — likely to require a low level of donation
- Espeletia steyermarkii — likely to require a low level of donation
- Espeletia summapacis — likely to require a low level of donation
- Espeletia tapirophila — likely to require a low level of donation
- Espeletia tenorae — likely to require a low level of donation
- Espeletia thyrisiformis — likely to require a low level of donation
- Espeletia tibamoensis — likely to require a low level of donation
- Espeletia tillettii — likely to require a low level of donation
- Espeletia tunjana — likely to require a low level of donation
- Espeletia ulotricha — likely to require a low level of donation
- Espeletia uribei — likely to require a low level of donation
- Espeletia verdeana — likely to require a low level of donation
- Espeletia weddelii — likely to require a low level of donation
- Espeletia weddellii — likely to require a low level of donation
- Espeletiopsis almorzana — likely to require a low level of donation
- Espeletiopsis angustifolia — likely to require a low level of donation
- Espeletiopsis argentea — likely to require a low level of donation
- Espeletiopsis betancurii — likely to require a low level of donation
- Espeletiopsis caldasii — likely to require a low level of donation
- Espeletiopsis colombiana — likely to require a low level of donation
- Espeletiopsis corymbosa — likely to require a low level of donation
- Espeletiopsis cristalinensis — likely to require a low level of donation
- Espeletiopsis diazii — likely to require a low level of donation
- Espeletiopsis funckii — likely to require a low level of donation
- Espeletiopsis garciae — likely to require a low level of donation
- Espeletiopsis guacharaca — likely to require a low level of donation
- Espeletiopsis insignis — likely to require a low level of donation
- Espeletiopsis jimenez-quesadae — likely to require a low level of donation
- Espeletiopsis meridensis — likely to require a low level of donation
- Espeletiopsis muiska — likely to require a low level of donation
- Espeletiopsis pannosa — likely to require a low level of donation
- Espeletiopsis petiolata — likely to require a low level of donation
- Espeletiopsis pleiochasia — likely to require a low level of donation
- Espeletiopsis pozoensis — likely to require a low level of donation
- Espeletiopsis purpurascens — likely to require a low level of donation
- Espeletiopsis rabanalensis — likely to require a low level of donation
- Espeletiopsis sanchezii — likely to require a low level of donation
- Espeletiopsis santanderensis — likely to require a low level of donation
- Espeletiopsis sclerophylla — likely to require a low level of donation
- Espeletiopsis trianae — likely to require a low level of donation
- Ethulia acuminata — likely to require a low level of donation
- Ethulia bicostata — likely to require a low level of donation
- Ethulia burundiensis — likely to require a low level of donation
- Ethulia conyzoides — likely to require a low level of donation
- Ethulia faulknerae — likely to require a low level of donation
- Ethulia glomerata — likely to require a low level of donation
- Ethulia goniloydes — likely to require a low level of donation
- Ethulia gracilis — likely to require a low level of donation
- Ethulia greenwayi — likely to require a low level of donation
- Ethulia luzonica — likely to require a low level of donation
- Ethulia megacephala — likely to require a low level of donation
- Ethulia ngorongoroensis — likely to require a low level of donation
- Ethulia paucifructa — likely to require a low level of donation
- Ethulia rhizomata — likely to require a low level of donation
- Ethulia rubudjiensis — likely to require a low level of donation
- Ethulia ruhudjiensis — likely to require a low level of donation
- Ethulia scheffleri — likely to require a low level of donation
- Ethulia tomentosa — likely to require a low level of donation
- Ethulia triflora — likely to require a low level of donation
- Ethulia vernonioides — likely to require a low level of donation
- Eucephalus breweri — likely to require a low level of donation
- Eucephalus engelmannii — likely to require a low level of donation
- Eucephalus glabratus — likely to require a low level of donation
- Eucephalus glaucescens — likely to require a low level of donation
- Eucephalus gormanii — likely to require a low level of donation
- Eucephalus ledophyllus — likely to require a low level of donation
- Eucephalus nemoralis — likely to require a low level of donation
- Eucephalus tomentellus — likely to require a low level of donation
- Eucephalus vialis — likely to require a low level of donation
- Eucephalus wasatchensis — likely to require a low level of donation
- Euchiton argentifolius — likely to require only a small donation
- Euchiton audax — likely to require only a small donation
- Euchiton brassii — likely to require only a small donation
- Euchiton breviscapus — likely to require only a small donation
- Euchiton collinus — likely to require only a small donation
- Euchiton decipiens — likely to require only a small donation
- Euchiton delicatus — likely to require only a small donation
- Euchiton ensifer — likely to require only a small donation
- Euchiton involucratus — likely to require only a small donation
- Euchiton japonicus — likely to require only a small donation
- Euchiton lateralis — likely to require only a small donation
- Euchiton limosus — likely to require only a small donation
- Euchiton litticola — likely to require only a small donation
- Euchiton paludosus — likely to require only a small donation
- Euchiton polylepis — likely to require only a small donation
- Euchiton ruahinicus — likely to require only a small donation
- Euchiton sphaericus — likely to require only a small donation
- Euchiton traversii — likely to require only a small donation
- Euchiton umbricola — likely to require only a small donation
- Eumorphia corymbosa — likely to require only a small donation
- Eumorphia davyi — likely to require only a small donation
- Eumorphia dregeana — likely to require only a small donation
- Eumorphia prostrata — likely to require only a small donation
- Eumorphia sericea — likely to require only a small donation
- Eumorphia swaziensis — likely to require only a small donation
- Eunoxis amabilis — likely to require a low level of donation
- Eupatoriastrum albicaule — likely to require a low level of donation
- Eupatoriastrum angulifolium — likely to require a low level of donation
- Eupatoriastrum chlorostylum — likely to require a low level of donation
- Eupatoriastrum corvi — likely to require a low level of donation
- Eupatoriastrum johnbeamanii — likely to require a low level of donation
- Eupatoriastrum nelsonii — likely to require a low level of donation
- Eupatoriastrum pochutlanum — likely to require a low level of donation
- Eupatoriastrum triangulare — likely to require a low level of donation
- Eupatorina sophiaefolia — likely to require a low level of donation
- Eupatorina sophiifolia — likely to require a low level of donation
- Eupatoriopsis hoffmanniana — likely to require a low level of donation
- Eupatorium adenachenium — likely to require a low level of donation
- Eupatorium adenanthum — likely to require a low level of donation
- Eupatorium adenolepsis — likely to require a low level of donation
- Eupatorium adspersum — likely to require a low level of donation
- Eupatorium affine — likely to require a low level of donation
- Eupatorium album — likely to require only a small donation
- Eupatorium alternifolium — likely to require a low level of donation
- Eupatorium altissimum — likely to require only a small donation
- Eupatorium amabile — likely to require a low level of donation
- Eupatorium amambayense — likely to require a low level of donation
- Eupatorium amblyolepsis — likely to require a low level of donation
- Eupatorium amorii — likely to require a low level of donation
- Eupatorium angustissimum — likely to require a low level of donation
- Eupatorium anomalum — likely to require a low level of donation
- Eupatorium arakianum — likely to require a low level of donation
- Eupatorium arboreum — likely to require a low level of donation
- Eupatorium areniscophilum — likely to require a low level of donation
- Eupatorium argutum — likely to require a low level of donation
- Eupatorium artemisifolium — likely to require a low level of donation
- Eupatorium artesisifolium — likely to require a low level of donation
- Eupatorium articulatum — likely to require a low level of donation
- Eupatorium ascendens — likely to require a low level of donation
- Eupatorium asper — likely to require a low level of donation
- Eupatorium asperanzae — likely to require a low level of donation
- Eupatorium asperrimum — likely to require a low level of donation
- Eupatorium atrorubens — likely to require a low level of donation
- Eupatorium azangaroense — likely to require a low level of donation
- Eupatorium baccharoides — likely to require a low level of donation
- Eupatorium bathyphlibium — likely to require a low level of donation
- Eupatorium bellataefolium — likely to require a low level of donation
- Eupatorium benguetense — likely to require a low level of donation
- Eupatorium betonicaefome — likely to require a low level of donation
- Eupatorium bicolorum — likely to require a low level of donation
- Eupatorium bigelovii — likely to require a low level of donation
- Eupatorium bigelowii — likely to require a low level of donation
- Eupatorium blepharolepis — likely to require a low level of donation
- Eupatorium bohlmannianum — likely to require a low level of donation
- Eupatorium bonplandianum — likely to require a low level of donation
- Eupatorium brideleifolium — likely to require a low level of donation
- Eupatorium brittonianum — likely to require a low level of donation
- Eupatorium buchii — likely to require a low level of donation
- Eupatorium bullatissimum — likely to require a low level of donation
- Eupatorium bullulatum — likely to require a low level of donation
- Eupatorium callacatensis — likely to require a low level of donation
- Eupatorium calycinum — likely to require a low level of donation
- Eupatorium camarhense — likely to require a low level of donation
- Eupatorium camiguinense — likely to require a low level of donation
- Eupatorium candicans — likely to require a low level of donation
- Eupatorium cannabinum — likely to require a low level of donation
- Eupatorium cannabium — likely to require a low level of donation
- Eupatorium capillare — likely to require a low level of donation
- Eupatorium capillifolium — likely to require a low level of donation
- Eupatorium caracasanum — likely to require a low level of donation
- Eupatorium carolinianum — likely to require a low level of donation
- Eupatorium ceanothifolium — likely to require a low level of donation
- Eupatorium celestini — likely to require a low level of donation
- Eupatorium celtidifolium — likely to require a low level of donation
- Eupatorium cerasifolium — likely to require a low level of donation
- Eupatorium chilea — likely to require a low level of donation
- Eupatorium chinense — likely to require only a small donation
- Eupatorium chlorocephalum — likely to require a low level of donation
- Eupatorium chlorolepis — likely to require a low level of donation
- Eupatorium cilioliferum — likely to require a low level of donation
- Eupatorium cinereum — likely to require a low level of donation
- Eupatorium clibadioides — likely to require a low level of donation
- Eupatorium coelecaule — likely to require a low level of donation
- Eupatorium compositifolium — likely to require a low level of donation
- Eupatorium condensatum — likely to require a low level of donation
- Eupatorium confluens — likely to require a low level of donation
- Eupatorium conochinanthium — likely to require a low level of donation
- Eupatorium consaguineum — likely to require a low level of donation
- Eupatorium conyzoides — likely to require a low level of donation
- Eupatorium cordatum — likely to require a low level of donation
- Eupatorium cordifolium — likely to require a low level of donation
- Eupatorium cordigerum — likely to require a low level of donation
- Eupatorium coriaceum — likely to require a low level of donation
- Eupatorium correlliorum — likely to require a low level of donation
- Eupatorium crassirameum — likely to require a low level of donation
- Eupatorium crenifolium — likely to require a low level of donation
- Eupatorium crenulatum — likely to require a low level of donation
- Eupatorium cryptanthum — likely to require a low level of donation
- Eupatorium cuatrecasii — likely to require a low level of donation
- Eupatorium cuibanum — likely to require a low level of donation
- Eupatorium cuneatum — likely to require a low level of donation
- Eupatorium cuspidatum — likely to require a low level of donation
- Eupatorium cuzoense — likely to require a low level of donation
- Eupatorium dasycladium — likely to require a low level of donation
- Eupatorium decussatum — likely to require a low level of donation
- Eupatorium desquamens — likely to require a low level of donation
- Eupatorium dichotomum — likely to require a low level of donation
- Eupatorium dodonaeifolium — likely to require a low level of donation
- Eupatorium doichangense — likely to require a low level of donation
- Eupatorium dolichopus — likely to require a low level of donation
- Eupatorium dumosum — likely to require a low level of donation
- Eupatorium ehrenbergii — likely to require a low level of donation
- Eupatorium engelmannianum — likely to require a low level of donation
- Eupatorium erectum — likely to require a low level of donation
- Eupatorium exerto-venosum — likely to require a low level of donation
- Eupatorium fastigatum — likely to require a low level of donation
- Eupatorium fastigiatum — likely to require a low level of donation
- Eupatorium fernaldii — likely to require a low level of donation
- Eupatorium ferreyrae — likely to require a low level of donation
- Eupatorium filicaule — likely to require a low level of donation
- Eupatorium finlaysonianum — likely to require a low level of donation
- Eupatorium firmum — likely to require a low level of donation
- Eupatorium fissifolium — likely to require a low level of donation
- Eupatorium flexicaule — likely to require a low level of donation
- Eupatorium flexuosum — likely to require a low level of donation
- Eupatorium foliatum — likely to require a low level of donation
- Eupatorium formosanum — likely to require a low level of donation
- Eupatorium fortunei — likely to require only a small donation
- Eupatorium fotunei — likely to require a low level of donation
- Eupatorium fraseri — likely to require a low level of donation
- Eupatorium freyreisii — likely to require a low level of donation
- Eupatorium fruticosum — likely to require a low level of donation
- Eupatorium fulvum — likely to require a low level of donation
- Eupatorium galeopsifolium — likely to require a low level of donation
- Eupatorium galiopsifolium — likely to require a low level of donation
- Eupatorium gibertii — likely to require a low level of donation
- Eupatorium glabellum — likely to require a low level of donation
- Eupatorium glabratum — likely to require a low level of donation
- Eupatorium glandulifolium — likely to require a low level of donation
- Eupatorium glandulitectum — likely to require a low level of donation
- Eupatorium glaucescens — likely to require a low level of donation
- Eupatorium glaucum — likely to require a low level of donation
- Eupatorium glechonophyllum — likely to require a low level of donation
- Eupatorium glehni — likely to require a low level of donation
- Eupatorium glehnii — likely to require a low level of donation
- Eupatorium gnaphalioides — likely to require a low level of donation
- Eupatorium godfreyanum — likely to require a low level of donation
- Eupatorium goniocladum — likely to require a low level of donation
- Eupatorium gracilicaule — likely to require a low level of donation
- Eupatorium grande — likely to require a low level of donation
- Eupatorium grandifolium — likely to require a low level of donation
- Eupatorium grashoffii — likely to require a low level of donation
- Eupatorium grossedentatum — likely to require a low level of donation
- Eupatorium gryposepalum — likely to require a low level of donation
- Eupatorium gynoxymorphum — likely to require a low level of donation
- Eupatorium gypsophila — likely to require a low level of donation
- Eupatorium hagelundii — likely to require a low level of donation
- Eupatorium hardwarense — likely to require a low level of donation
- Eupatorium hebes — likely to require a low level of donation
- Eupatorium hemisphericum — likely to require a low level of donation
- Eupatorium hirsutum — likely to require a low level of donation
- Eupatorium hirtum — likely to require a low level of donation
- Eupatorium hispidum — likely to require a low level of donation
- Eupatorium hualienense — likely to require a low level of donation
- Eupatorium huehuetenango — likely to require a low level of donation
- Eupatorium hyarohylaeum — likely to require a low level of donation
- Eupatorium hyplonomum — likely to require a low level of donation
- Eupatorium hyssopifolium — likely to require only a small donation
- Eupatorium ibaguense — likely to require a low level of donation
- Eupatorium ibaquense — likely to require a low level of donation
- Eupatorium ilicifolium — likely to require a low level of donation
- Eupatorium inaequidens — likely to require a low level of donation
- Eupatorium integrifolium — likely to require a low level of donation
- Eupatorium iodopappum — likely to require a low level of donation
- Eupatorium itacolumiense — likely to require a low level of donation
- Eupatorium ixiocladon — likely to require a low level of donation
- Eupatorium jacquemontii — likely to require a low level of donation
- Eupatorium japonicum — likely to require only a small donation
- Eupatorium juticalpense — likely to require a low level of donation
- Eupatorium karstenii — likely to require a low level of donation
- Eupatorium karvinskianum — likely to require a low level of donation
- Eupatorium keckii — likely to require a low level of donation
- Eupatorium kingii — likely to require a low level of donation
- Eupatorium kunthianum — likely to require a low level of donation
- Eupatorium laciniatum — likely to require a low level of donation
- Eupatorium laevigatum — likely to require a low level of donation
- Eupatorium lallavei — likely to require a low level of donation
- Eupatorium lanceolatum — likely to require a low level of donation
- Eupatorium lancifolium — likely to require a low level of donation
- Eupatorium larcheanum — likely to require a low level of donation
- Eupatorium lasseauxii — likely to require a low level of donation
- Eupatorium leonardii — likely to require a low level of donation
- Eupatorium leptophyllum — likely to require a low level of donation
- Eupatorium leucodon — likely to require a low level of donation
- Eupatorium leucolepis — likely to require a low level of donation
- Eupatorium leudophyllum — likely to require a low level of donation
- Eupatorium liemannii — likely to require a low level of donation
- Eupatorium ligustrinum — likely to require a low level of donation
- Eupatorium lindleyanum — likely to require only a small donation
- Eupatorium lineatum — likely to require a low level of donation
- Eupatorium loquense — likely to require a low level of donation
- Eupatorium luchuense — likely to require a low level of donation
- Eupatorium luteum — likely to require a low level of donation
- Eupatorium macrochaetum — likely to require a low level of donation
- Eupatorium macropodum — likely to require a low level of donation
- Eupatorium maestum — likely to require a low level of donation
- Eupatorium makinoi — likely to require a low level of donation
- Eupatorium maracayense — likely to require a low level of donation
- Eupatorium maracayuense — likely to require a low level of donation
- Eupatorium maritimum — likely to require a low level of donation
- Eupatorium marquezianum — likely to require a low level of donation
- Eupatorium matudin — likely to require a low level of donation
- Eupatorium medullosum — likely to require a low level of donation
- Eupatorium megapotamicum — likely to require a low level of donation
- Eupatorium melanolepis — likely to require a low level of donation
- Eupatorium melissaefolium — likely to require a low level of donation
- Eupatorium melissifolium — likely to require a low level of donation
- Eupatorium mendozii — likely to require a low level of donation
- Eupatorium menthaefolium — likely to require a low level of donation
- Eupatorium menthifolium — likely to require a low level of donation
- Eupatorium microcephalum — likely to require a low level of donation
- Eupatorium microdon — likely to require a low level of donation
- Eupatorium microphyllum — likely to require a low level of donation
- Eupatorium mikanioides — likely to require a low level of donation
- Eupatorium minarum — likely to require a low level of donation
- Eupatorium minasgeraense — likely to require a low level of donation
- Eupatorium miradorense — likely to require a low level of donation
- Eupatorium mohrii — likely to require only a small donation
- Eupatorium molle — likely to require a low level of donation
- Eupatorium moralense — likely to require a low level of donation
- Eupatorium morelosense — likely to require a low level of donation
- Eupatorium moritzianum — likely to require a low level of donation
- Eupatorium muelleri — likely to require a low level of donation
- Eupatorium multicrenulatum — likely to require a low level of donation
- Eupatorium multiflorum — likely to require a low level of donation
- Eupatorium multiplinerve — likely to require a low level of donation
- Eupatorium myriocephalum — likely to require a low level of donation
- Eupatorium myriophyllum — likely to require a low level of donation
- Eupatorium nanchuanense — likely to require a low level of donation
- Eupatorium neeanum — likely to require a low level of donation
- Eupatorium nelsonii — likely to require a low level of donation
- Eupatorium nepetaefolium — likely to require a low level of donation
- Eupatorium nepetifolium — likely to require a low level of donation
- Eupatorium nigrum — likely to require a low level of donation
- Eupatorium niveum — likely to require a low level of donation
- Eupatorium nix — likely to require a low level of donation
- Eupatorium nodiflorum — likely to require a low level of donation
- Eupatorium novae-angliae — likely to require a low level of donation
- Eupatorium novaeangliae — likely to require a low level of donation
- Eupatorium nubecularum — likely to require a low level of donation
- Eupatorium nubivegans — likely to require a low level of donation
- Eupatorium nudosum — likely to require a low level of donation
- Eupatorium obtusimssium — likely to require a low level of donation
- Eupatorium obtusissium — likely to require a low level of donation
- Eupatorium obtusissmum — likely to require a low level of donation
- Eupatorium odoratissimum — likely to require a low level of donation
- Eupatorium omeiense — likely to require a low level of donation
- Eupatorium ophiticola — likely to require a low level of donation
- Eupatorium oppositifolium — likely to require a low level of donation
- Eupatorium oreganum — likely to require a low level of donation
- Eupatorium oreophilium — likely to require a low level of donation
- Eupatorium organense — likely to require a low level of donation
- Eupatorium origanoides — likely to require a low level of donation
- Eupatorium orizabae — likely to require a low level of donation
- Eupatorium oterae — likely to require a low level of donation
- Eupatorium oxylepis — likely to require a low level of donation
- Eupatorium pabstii — likely to require a low level of donation
- Eupatorium pacaanum — likely to require a low level of donation
- Eupatorium pacificum — likely to require a low level of donation
- Eupatorium paludicola — likely to require a low level of donation
- Eupatorium paniculatum — likely to require a low level of donation
- Eupatorium paradanense — likely to require a low level of donation
- Eupatorium paraguariense — likely to require a low level of donation
- Eupatorium paraguariinse — likely to require a low level of donation
- Eupatorium parietariaefolium — likely to require a low level of donation
- Eupatorium parietariifolium — likely to require a low level of donation
- Eupatorium pauciflorum — likely to require a low level of donation
- Eupatorium pectinatum — likely to require a low level of donation
- Eupatorium pentaflorum — likely to require a low level of donation
- Eupatorium pentallorum — likely to require a low level of donation
- Eupatorium perfoliatum — likely to require a low level of donation
- Eupatorium persicifolium — likely to require a low level of donation
- Eupatorium petaloideum — likely to require a low level of donation
- Eupatorium petiolare — likely to require a low level of donation
- Eupatorium petiolata — likely to require a low level of donation
- Eupatorium phlongifolium — likely to require a low level of donation
- Eupatorium pilluaense — likely to require a low level of donation
- Eupatorium pilosum — likely to require a low level of donation
- Eupatorium pinnatifidum — likely to require a low level of donation
- Eupatorium pinnatipartitum — likely to require a low level of donation
- Eupatorium pinnatipatitum — likely to require a low level of donation
- Eupatorium pintobambense — likely to require a low level of donation
- Eupatorium piptopappum — likely to require a low level of donation
- Eupatorium plebeia — likely to require a low level of donation
- Eupatorium plectranthifolium — likely to require a low level of donation
- Eupatorium plumerii — likely to require a low level of donation
- Eupatorium polyanthum — likely to require a low level of donation
- Eupatorium polycladum — likely to require a low level of donation
- Eupatorium polystichum — likely to require a low level of donation
- Eupatorium polytryum — likely to require a low level of donation
- Eupatorium popayaense — likely to require a low level of donation
- Eupatorium populifolium — likely to require a low level of donation
- Eupatorium pratensis — likely to require a low level of donation
- Eupatorium prinoides — likely to require a low level of donation
- Eupatorium probun — likely to require a low level of donation
- Eupatorium prunifolium — likely to require a low level of donation
- Eupatorium pseudoarboreum — likely to require a low level of donation
- Eupatorium ptaritepuiense — likely to require a low level of donation
- Eupatorium pubescens — likely to require a low level of donation
- Eupatorium pumilum — likely to require a low level of donation
- Eupatorium punduanum — likely to require a low level of donation
- Eupatorium punetulatum — likely to require a low level of donation
- Eupatorium purpurascens — likely to require a low level of donation
- Eupatorium quadriflorum — likely to require a low level of donation
- Eupatorium reevesii — likely to require a low level of donation
- Eupatorium resinosum — likely to require a low level of donation
- Eupatorium reticulatum — likely to require a low level of donation
- Eupatorium rhodotrichum — likely to require a low level of donation
- Eupatorium rhomboideum — likely to require a low level of donation
- Eupatorium riparium — likely to require a low level of donation
- Eupatorium rosengurttii — likely to require a low level of donation
- Eupatorium rosmarinifolium — likely to require a low level of donation
- Eupatorium rotundifolium — likely to require a low level of donation