- Aristida capillacea, Aristida elegans
- Asterella lateralis, Asterella elegans;Fimbraria elegans;Fimbriaria elegans Spruce nom illeg, non Spreng 1828
- Attalea maripa, Mauritia martiana;Attalea cryptanthera;Maximiliana maripa;Maximiliana regia;Maximiliana martiana;Maximiliana macropetala;Attalea regia;Palma maripa;Attalea macropetala;Maximiliana elegans
- Banisteriopsis elegans, Banisteriopsis martiniana var elegans
- Bazzania involuta, Herpetium involutum Mont;Mastigobryum involutum Mont Lindenb;Mastigobryum elegans Colenso;Bazzania elegans Colenso Rodway;Bazzania elegans;Bazzania involuta fo elegans;Herpetium involutum;Mastigobryum elegans;Mastigobryum involutum
- Cephaloziella elegans, Cephalozia elegans;Cephalozia myriantha;Cephaloziella myriantha;Cephaloziella rubella var elegans
- Clidemia hirta_elegans, Staphidium elegans;Clidemia elegans;Melastoma elegans
- Cololejeunea elegans, Lejeunea elegans Steph Steph Nov-Dec 1891, non Gottsche 1845;Physocolea elegans
- Combretum rotundifolium, Combretum guianense;Combretum magnificum;Combretum elegans;Combretum aubletii;Combretum punctatum;Combretum laxum
- Commelina erecta, Whitemouth dayflower;Commelina elegans;Whitemouth Dayflower;Erect Dayflower;Narrow-leaved Dayflower;White-mouthed Dayflower
- Cyperus laxus, Cyperus diffusus;Cyperus tolucensis;Cyperus elegans;Cyperus chalaranthus
- Dimerandra elegans, Dimerandra isthmii;Isochilus elegans
- Diplophyllum albicans, Diplophylleia albicans var elegans;Diplophylleia albicans var recurva;Diplophylleia albicans var secunda;Diplophylleia albicans;Diplophyllum albicans var elegans;Diplophyllum albicans var recurvum;Diplophyllum albicans var secundum;Jungermannia albicans;Jungermannia fissidentoidea
- Duguetia calycina, Duguetia cuspidata;Duguetia elegans
- Eleocharis elegans, Elegant spikerush;Scirpus elegans
- Erythroneura elegans, Erythroneura comes elegans
- Heliconia mariae, Heliconia punicea;Heliconia elegans
- Hippeastrum elegans, Hippeastrum solandriflorum;Amaryllis solandriflora;Amaryllis elegans;Amaryllis longiflora
- Hymenophyllum elegans, Sphaerocionium elegans
- Isotachis montana, Isotachis elegans
- Lockhartia imbricata, Lockhartia weigelti;Lockhartia elegans;Epidendrum imbricatum;Lockhartia weigeltii
- Lophozia elegans, Lophozia excisa var elegans;Massularia elegans;Schistochilopsis elegans
- Ludwigia elegans, Jussiaea elegans
- Macrolobium bifolium, Macrolobium stamineum;Macrolobium elegans;Vouapa bifolia;Vouapa staminea;Macrolobium hymenaeoides
| - Neea amplifolia, Neea elegans
- Odontadenia geminata, Angadenia geminata;Echites geminata;Echites elegans
- Pleurothallis moritzii, Stelis moritzii;Pleurothallis elegans;Pleurothallis tepuiensis
- Polyporus varius, Polyporus elegans
- Pouteria elegans, Oxythece elegans;Ichthyophora leptocarpa;Ichthyophora elegans;Planchonella elegans;Sideroxylon elegans;Oxythece leptocarpa
- Promoresia elegans, Limnius elegans
- Pseudotaxiphyllum elegans, Hypnum borrerianum;Hypnum elegans;Isopterygium elegans;Isothecium elegans;Plagiothecium elegans;Plagiothecium elegans var gracilens;Plagiothecium elegans var schimperi;Plagiothecium elegans var terrestre
- Pyrenocollema elegans, Arthopyrenia elegans R Sant in ed;Collemopsidium elegans
- Radula javanica, Radula gottscheana Taylor;Radula amazonica;Radula caldana;Radula convexa;Radula elegans;Radula falcifolia;Radula gottscheana;Radula longifolia;Radula macrostachya;Radula surinamensis;Radula variabilis
- Riccardia elegans, Aneura elegans
- Schizaea elegans, Schizaea flabellum;Acrostichum elegans;Lophidium elegans
- Spachea elegans, Malpighia elegans
- Styphelia tenuifolia, Styphelia tenuiflora Benth;Soleniscia elegans Dc;Styphelia elegans Dc Sond;Styphelia elegans Dc Sond var elegans;Styphelia elegans var brevior Ewart & Jean White
- Telaranea elegans, Lepidozia elegans;Lepidozia tripilosa
- Thylamys elegans, Elegant fat-tailed opossum;Didelphis elegans
- Trichocolea elegans, Leiomitra elegans
- Trichomanes diversifrons, Trichomanes elegans;Feea boryi;Ptilophyllum elegans;Hymenostachys elegans;Hymenostachys diversifrons
- Trichomanes elegans, Trichomanes prieurii;Davalliopsis elegans;Trichomanes leprieurii
- Turnera subulata, Turnera ulmifolia var elegans
- Varicella philippiana, Achatina elegans
- Xanthoria elegans, Caloplaca elegans
- Zinnia violacea, Youth-and-age;Zinnia elegans;Elegant Zinnia;Crassina elegans (Jacq) Kuntze;Zinnia elegans Jacq
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