- Abolboda americana, Abolboda imberbis;Xyris americana
- Acarospora veronensis, Acarospora discreta auct;Acarospora magnussonii;Acarospora applanata;Acarospora obscura;Acarospora tenebrica;Acarospora americana;Acarospora discreta
- Anemone acutiloba, Sharplobe hepatica;Liverleaf;Hepatica nobilis;Hepatica acutiloba;Hepatica americana
- Cassytha filiformis, False Dodder;Love Vine;Dodder Laurel;Yugulu;Cassytha cuscutiformis FMuell ex Meisn;Devils gut;Love-vine;Cassytha americana
- Cimicifuga americana, Mountain bugbane;Actaea americana;Actaea podocarpa
- Cullen americanum, Scurfy Pea;Psoralea americana;American scurfpea;American Scurfpea;Cullen americana (L) Rydb, orth var;Psoralea americana L;Psoralea dentata Dc
- Dolichovespula maculata, Baldfaced hornet;Bald-faced hornet;Bald-faced yellowjacket;Vespa maculata americana;Christ
- Drosera intermedia, Oblong-leaved Sundew;Drosera longifolia auct, non L;Spoonleaf sundew;Drosera americana
- Eleutherine bulbosa, Lagrimas de la virgen;Ixia americana;Sisyrinchium americanum
- Flaviporus americanus, Antrodiella americana
- Fossombronia texana, Fossombronia americana;Fossombronia brasiliensis var lamellifera;Fossombronia cubana;Fossombronia mexicana
- Habrophlebiodes americana, Choroterpes betteni Needham, 1908;Habrophlebia americana;Habrophlebiodes betten;Leptophlebia betteni
- Helonoma americana, Beloglottis americana;Manniella americana
- Heteroplectron americanum, Sericostoma americana;Ganonema nigrum Lloyd, 1915
- Hirtella racemosa, Tachibota guianensis;Salmasia racemosa;Salmasia guianensis;Hirtella violacea;Hirtella americana;Hirtella scandens;Hirtella nemorosa;Hirtella strigulosa;Gasparillo;Camaroncillo;Garrapato
- Hirtella triandra, Pigeonberry;Hirtella americana;Hirtella peruviana;Chrysobalanus triandra;Hirtella racemosa;Hirtella multiflora;Hirtella paniculata;Hirtella jamaicensis;Hirtella castanea;Hirtella bracteata;Garrapato;Camaroncillo;Chicharrn;Camarn
| - Hyptis spicigera, Marubio;Sui xu shan xiang;Hyptis americana
- Imperata brasiliensis, Brazilian satintail;Imperata arundinacea var americana;Brazilian Satintail
- Iziphya americana, Saltusaphis americana
- Lepidostoma americanum, Olemira americana
- Lepraria lobificans, Lepraria aeruginosa auct pp;Crocynia aliciae;Crocynia americana;Lepraria finkii;Lepraria aeruginosa
- Leptocerus americanus, Setodes americana;Setodes grandis Banks, 1907
- Macrosteles americana, Davisonia americana
- Macrosteles americanus, Cicadula americana;Davisonia americana;Cicadula delongi Dorst, 1937;Davisonia delongi
- Melanitta nigra, Black Scoter;Melanitta americana;Blsc
- Peperomia tetraphylla, Four-leaved Peperomia;Piper tetraphyllum GForst;Piper reflexum Lf;Piper reflexa orth var PIForst sensu Forster, PI 1993;Peperomia reflexa Lf ADietr;Peperomia affinis Domin ex FMBailey;Piper aemulum Endl;Peperomia aemula Endl Endl;Peperomia reflexa var aemula Endl CDc;Peperomia reflexa f norfolkensis Miq;Acorn peperomia;Dou ban lu;Peperomia reflexa var americana;Piper tetraphyllum;Piper reflexum;Peperomia cryptotricha;Peperomia tetraphylla var americana;Peperomia reflexa f americana;Peperomia reflexa
- Setophaga americana, Northern Parula;Parula americana
- Triplaris weigeltiana, Triplaris surinamensis var crassifolia;Triplaris vahliana;Triplaris surinamensis var chamissoana;Triplaris surinamensis;Triplaris americana;Triplaris surinamensis var benthamiana
- Ulota curvifolia, Orthotrichum crispum var curvifolium;Orthotrichum curvifolium;Ulota americana
- Vespula acadica, Forest yellowjacket;Vespa rufa var americana;De buysson;Vespula rufa var sladeni;Bequaert
- Waltheria indica, Uhaloa;Waltheria americana
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