| Subject | English | Latin |
| biol. | American adenocaulon | Adenocaulon bicolor Hook. |
| nat.res., textile | American agave | Agave americana |
| obs., nat.res., textile | American agave | Agave americana var. marginata |
| biol. | American agave | Agave americana L. |
| nat.res. | American aloe | Agave americana |
| nat.res. | American aloe | Agave americana Lin. |
| obs., nat.res., textile | American aloe | Agave americana var. marginata |
| biol. | American aloe | Agave americana L. |
| mamm. | American and Asian moles | Scalopus |
| zool. | American and Asian moles | Scalopinae |
| zool. | American and roe deer | Odocoileinae |
| nat.sc., agric. | American angler | Lophius americanus Valenciennes,1837 |
| mamm. | American anteaters | Myrmecophagidae |
| mamm. | American anteaters | Edentata |
| zool. | American antilope | Antilocapra americana |
| entomol. | American ant-loving cricket | Myrmecophilus americana |
| zool. | American ant-loving crickets | Myrmecophila americana |
| biol. | American arbor-vitae | Thuja occidentalis L. |
| nat.res. | american armyworm | Cirphis unipuncta |
| nat.res. | american armyworm | Mythimna unipuncta |
| nat.res. | american armyworm | Leucania unipuncta |
| nat.res. | american armyworm | Heliophila unipuncta |
| nat.res. | american armyworm | Pseudaletia unipuncta |
| nat.res. | american armyworm | Pseudaletia adultera |
| biol. | American armyworm | Mythimna unipuncta (Haworth) |
| biol. | American artichoke | Helianthus tuberosus L. |
| agric. | American ash | Fraxinus americana |
| biol. | American ash | Fraxinus americana L. |
| nat.res. | American aspen | Populus tremuloides |
| biol. | American aspen | Populus tremuloides Michx. |
| biol. | American avocado | Persea americana Mill. |
| biol. | American avocado | Persea Mill. |
| ornit. | American avocet | Recurvirostra americana |
| nat.res. | American Badger | Taxidea taxus |
| mamm. | American badger | Taxidea taxus |
| mamm. | American badgers | Taxidea |
| environ., nat.res. | American bald eagle | Haliaeetus leucocephalus |
| ornit. | American bare-eyed thrush | Turdus nudigenis |
| mamm. | American beaver | Castor canadensis |
| nat.res. | American Beaver | Castor canadensis |
| zool. | American beaver | Castor fiber canadensis |
| agric. | American beech | Fagus grandifolia |
| nat.sc., agric. | american bellbine | Calystegia sylvestris Roem. et Schult. |
| nat.sc., agric. | american bellbine | Calystegia silvatica Griseb. |
| mamm. | American bighorn | Ovis canadensis |
| bot. | American birch | Betula lenta |
| mamm. | american bison | Bos bison |
| mamm. | American bison | Bison bison |
| ornit. | American bittern | Botaurus lentiginosus |
| biol. | American bittersweet | Celastrus scandens L. |
| biol. | American bittersweet | Celastrus scandons L. |
| bot. | American black ash | Fraxinus nigra |
| mamm. | American black bear | Ursus americanus |
| biol. | American black currant | Ribes americanum Mill. |
| zool. | American black duck | Anas rubripes |
| bot. | American black oak | Catalpa longissima |
| nat.sc., agric. | American black walnut | Juglans nigra |
| ornit. | American black-headed oriole | Icterus graduacauda |
| bot. | American bladder nut | Staphylea trifolia |
| life.sc., agric. | American blight aphid | Eriosoma lanigerum |
| ornit. | American blue jau | Cyanocitta cristata |
| zool. | American blue jay | Cyanocitta cristata |
| nat.sc., agric. | American blueberry | Vaccinium corymbosum |
| bot. | American blue-eyed-grass | Sisyrinchium angustifolium auct. |
| bot. | American blue-eyed-grass | Sisyrinchium bermudiana auct. |
| bot. | American blue-eyed-grass | Sisyrinchium montanum Greene |
| nat.res., agric. | American bollworm | Helicoverpa armigera |
| biol. | American bollworm | Heliothis zea (Boddie) |
| bot. | American brooklime | Veronica americana Raf. Schwein |
| mamm. | American brown mice | Scotinomys |
| biol. | American buckwheatvine | Brunnichia cirrhosa Banks. |
| nat.res. | American buffalo | Bison bison |
| biol. | American bugbane | Cimicifuga americana Michx. |
| biol. | American bugleweed | Lycopus americanus L. |
| biol. | American burnweed = | Erechitites hieracifo-ZiaRafin. (fireweed, pilewort) |
| mamm. | American cane rats | Zygodontomys |
| biol. | American cherry | Prunus serotina Ehrb. |
| bot. | American chestnut | Castanea dentata |
| biol. | American chestnut | Castanea dentata Borkh. |
| biol. | American chestnut | Castanea americana Raf. |
| nat.sc., agric. | American chestnut tree | Castanea dentata |
| nat.sc., agric. | American chestnut tree | Castanea americana |
| ornit. | American cliff swallow | Petrochelidon pyrrhonota |
| nat.res. | American cliff swallow | Hirundo pyrrhonota |
| mamm. | American climbing mice | Rhipidomys |
| mamm. | American climbing rats | Tylomys |
| nat.sc., agric. | american cockroach | Periplaneta americana |
| life.sc. | American cockroach | Periplaneta americana L. |
| biol. | American cockroach | Periplaneta americana L. |
| ornit. | American collared sparrow-hawk | Accipiter collaris |
| environ., nat.res. | American columbo | Frasera caroliniensis |
| life.sc. | American comb jelly | Mnemiopsis leidyi |
| zool. | American comb-duck | Sarkidiornis melanotos sylvicola |
| ornit. | American coot | Fulica americana |
| nat.sc. | american coot | Fulica americana |
| biol. | American cotton bollworm | Heliothis zea Boddie |
| biol. | American cotton bollworm | Heliothis obsoleta Hüber. |
| biol. | American cotton bollworm | Heliothis armigera Hüber. |
| biol. | American cotton bollworm | Phalaena zea Boddie |
| biol. | American cotton bollworm | Heliothis zea (Boddie) |
| biol. | American cowclip | Dodecatheon L. |
| bot. | American cranberry | Oxycoccus macrocarpus |
| bot. | American cranberry | Vaccinium macrocarpon |
| nat.res. | American crayfish | Orconectes limosus |
| nat.res. | American crayfish | Cambarus affinis |
| nat.sc., agric. | American crayfishes | Orconectes |
| bot. | American cress | Barbarea verna |
| nat.res. | American crocodile | Crocodylus acutus |
| ornit. | American crow | Corvus brachyrhynchos |
| nat.sc., agric. | American cupped oyster | Crassostrea virginica |
| nat.res. | American dagger | Acronicta americana |
| biol. | American dagger moth | Acronicta americana (Harris) |
| nat.sc., agric. | american dagger nematode | Xiphinema americanum |
| mamm. | American deer | Odocoileus |
| ornit. | American dipper | Cinclus mexicanus |
| mamm. | American disk-winged bats | Thyropteridae |
| nat.res. | American dog tick | Dermacentor variabilis |
| biol. | American dog tick | Dermacentor variabilis Say |
| nat.sc., agric. | American dragon-head | Physostegia virginiana Benth. |
| mamm. | American eastern pipistrelle | Pipistrellus subflavus |
| bot. | American ebony | Brya ebenus |
| zool. | American egret | Casmerodius albus egretta |
| mamm. | American elk | Cervus elaphus |
| bot. | American elm | Ulnus americana |
| life.sc., forestr. | American elm | Ulmus alba |
| life.sc., forestr. | American elm | Ulmus pendula |
| life.sc., forestr. | American elm | Ulmus americana |
| biol. | American elm | Ulmus americana L. |
| mamm. | American epaulet bats | Sturnira |
| mamm. | American epauletted bats | Sturnira |
| biol. | American ephedra | Ephedra americana Humb. |
| biol. | American false daisy | Eclipta pro strata L. |
| mamm. | American false vampire bat | Vampyrum spectrum |
| ornit. | American finfoot | Heliornis fulica |
| ornit. | American finfoot | Heliornis |
| mamm. | American fish-eating bat | Myotis vivesi |
| nat.res. | American fishing spider | Dolmedes triton |
| zool. | American flamingo | Phoenicopterus ruber ruber |
| mamm. | American flying squirrels | Glaucomys |
| bacteriol. | American foul brood | Bacillus larvae |
| health., nat.res., agric. | American foulbrood | Paenibacillus larvae larvae |
| mamm. | American fruit bats | Artibeus |
| mamm. | American fruit-eating bats | Artibeus |
| health., agric. | American Ginseng | Panax quinquefolius |
| environ., nat.res. | American ginseng | Panax quinquefolium |
| environ., nat.res. | American ginseng | Panax quinquefolius |
| biol. | American ginseng | Panax quinque folium L. |
| ornit. | American golden plover | Pluvialis dominica |
| ornit. | American golden plover | Charadrius dominica |
| biol. | American goldenrod | Solidago occidentalis Torr. et A. Gray |
| ornit. | American goldfinch | Spinus tristis |
| zool. | American goldfinch | Carduelis tristis |
| zool. | American gold-plover | Pluvialis dominica |
| nat.sc., agric. | American gooseberry mildew | Sphaerotheca mors-uvae |
| biol. | American gooseberry mildew | Sphaerotheca mors-uvae Schw. Berk. et Curt. |
| zool. | American goshawk | Accipiter gentilis atricapillus |
| biol. | American grape | Vitis labrusca L. |
| nat.res., agric. | american grasshopper | Schistocerca paranensis |
| entomol. | American grasshopper | Schistocerca americana |
| nat.res., agric. | american grasshopper | Schistocerca americana |
| biol. | American grasshopper | Schistocerca americana (Drury) |
| zool. | American harrier | Circus cyaneus hudsonius |
| mamm. | American harvest mice | Reithrodontomys |
| mamm. | American harvest mouse | Reithrodontomys humulis |
| life.sc., fish.farm. | American harvestfish | Peprilus paru |
| obs., life.sc., fish.farm. | American harvestfish | Peprilus alepidotus |
| forestr. | American hemlock | Tsuga canadensis |
| med. | American hookworm | Ancylostoma americanum |
| med. | American hookworm | Necator americanus |
| bot. | American hornbeam | Carpinus carolineana |
| biol. | American hornbeam | Carpinus caroliniana Walt. |
| entomol. | American imported fire ant | Solenopsis saevissima |
| biol. | American ipecac | Gillenia stipulata Trel. |
| biol. | American ivy | Parthenocissus quinque folia L. Planch. |
| biol. | American ivy | Parthenocissus tricupidata Planch. |
| biol. | American ivy | Parthenocissus Planch. |
| ornit. | American jacana | Jacana spinosa |
| ornit. | American jacana | Jacana |
| mamm. | American jumping mice | Zapus |
| biol. | American jute | Abutilon theophrasti Med. |
| biol. | American jute | Abutilon avicennae Gaertn. |
| ornit. | American kestrel | Falco sparverius |
| ornit. | American kestrel | Tinnunculus sparverius |
| nat.sc. | american kestrel | Falco sparverius |
| zool. | American kingbird | Tyrannus tyrannus |
| nat.sc., agric. | American land snails | Pleurodontidae |
| nat.sc., agric. | American land snails | Camaenidae |
| bot. | American larch | Larix americana |
| bot. | American larch | Larix laricina |
| biol. | American lawn ant | Losius nigeralienus americanus Emery |
| biol. | American lawn ant | Lasius alienus (Forstr.) |
| mamm. | American leaf-nosed bats | Macrotus |
| mamm. | American leaf-nosed bats | Phyllostomidae |
| mamm. | American least shrew | Cryptotis parva |
| med. | American leishmaniosis | buba brasiliensis |
| med. | American leishmaniosis | uta |
| biol. | American leopard frog | Rana pipiens |
| life.sc., forestr. | American lime tree | Tilia americana |
| life.sc., forestr. | American linden tree | Tilia americana |
| life.sc., fish.farm. | American lings | Phycis |
| zool. | American lobster | Homarus americanus |
| nat.res., agric. | american locust | Schistocerca paranensis |
| biol. | American lopseed | Phryma leptostachya L. |
| bot. | American lotus | Nelambo lutea Willd. Pers. |
| biol. | American lotus | Nelumbo Willd. Pors. |
| bot. | American lotus | Nelambo pentapetala Walt |
| biol. | American lotus | Nelumbo lutea Pers. |
| biol. | American maidenhair | Adiantum pedatum L. |
| mamm. | American manatee | Trichechus manatus |
| agric. | American mangrove | Rhizophora mangle |
| biol. | American mangrove | Rhizophora mangle L. |
| biol. | American mannagrass | Glyceria grandis |
| nat.res. | American Marten | Martes americana |
| environ., nat.res. | American marten | Martes americana atrata |
| mamm. | American marten | Martes americana |
| biol. | American milletgrass | Milium effusum L. |
| nat.res. | American mink | Neovison vison |
| mamm. | American mink | Mustela vison |
| biol. | American mistletoe | Phoradendron spp. |
| biol. | American mountain ash | Sorbus americana Marsh. |
| biol. | American mountain leek | Allium triflorum |
| zool. | American mountain thrush | Turdus plebejus |
| mamm. | American mouse-eared bat | Myotis lucifugus |
| nat.res., agric. | American Mulberry | Callicarpa |
| agric. | American oil palm | Elaeis melanococca |
| agric. | American oil palm | Elaeis poissonii |
| agric. | American oil palm | Corozo oleifera |
| mamm. | American opossums | Didelphis |
| mamm. | American opossums | Didelphidae |
| ornit. | American oystercatcher | Haematopus palliatus |
| zool. | American painted-snipe | Rostratula semicollaris |
| nat.sc., agric. | American papaw tree | Asimina triloba |
| bot. | American pawpaw | Asimina triloba |
| ornit. | American pectoral sandpiper | Heteropygia melanotos |
| ornit. | American pectoral sandpiper | Calidris melanotos |
| ornit. | American pied oystercatcher | Haematopus palliatus |
| zool. | American pigmy shrew | Microsorex hoyi |
| mamm. | American pika | Ochotona princeps |
| mamm. | American pine vole | Microtus pinetorum |
| nat.res. | American pintail | Anas acuta |
| ornit. | American pipit | Anthus spinoletta |
| zool. | American pipit | Anthus rubescens |
| bot. | American pitch pine | Pinus palustris |
| nat.sc., agric. | American pitch pine | Pinus elliottii |
| bot. | American pitch pine | Pinus australis |
| bot. | American pitch pine | Pinus elliotii |
| bot. | American plane | Platanus occidentalis |
| nat.sc., agric. | American planetree | Platanus occidentalis |
| biol. | American plane-tree | Platanus occidentalis L. |
| biol. | American plum | Prunus americana Marsh. |
| nat.sc., agric. | American pondweed | Potamogeton nodosus Poir. |
| nat.sc., agric. | American pondweed | Potamogeton fluitans Roth. |
| mamm. | American porcupine | Erethizon dorsatum |
| mamm. | American porcupines | Erethizon |
| mamm. | American potto | Potos flavus |
| ornit. | American purple gallinule | Porphyrio martinica |
| ornit. | American purple gallinule | Porphyrula martinica |
| nat.res. | american purple gallinule | Porphyrula martinica |
| ornit. | American pygmy kingfisher | Chloroceryle aenea |
| mamm. | American pygmy mice | Baiomys |
| mamm. | American pygmy squirrels | Microsciurus |
| ornit. | American pygmy-owl | Glaucidium gnoma |
| biol. | American red currant | Ribes triste Pall. |
| biol. | American red elder | Sambucus pubens Michx. |
| nat.res. | American red gum | Liquidambar styraciflua |
| nat.sc., agric. | American red mulberry | Morus rubra |
| forestr. | American red oak | Quercus rubra |
| forestr. | American red oak | Quercus borealis |
| nat.sc., agric. | American red raspberry | Rubus strigosus |
| biol. | American red raspberry | Rubus strigosus Maxim. |
| mamm. | American red squirrel | Tamiasciurus hudsonicus |
| mamm. | American red squirrels | Tamiasciurus |
| ornit. | American redstart | Setophaga |
| ornit. | American redstart | Setophaga ruticilla |
| nat.res. | american redstart | Setophaga ruticilla |
| health., anim.husb. | American red-water fever | nosogenum:Babesia spp.Protozoa |
| health., anim.husb. | American red-water fever | piroplasmosis |
| health., anim.husb. | American red-water fever | Theileria spp.Protozoa |
| biol. | American rice leaf miner | Hydrellia griola (Fallen) |
| biol. | American rice stink bug | Solubea or Mormidea |
| biol. | American rice stink bug | Oebalus pugnax Fabricius |
| biol. | American rice stink bug | Oebalus pugnax (Fabricius) |
| biol. | American rice water weevil | Lissorhoptrus oryzophilus Kusch. |
| hydrobiol. | American robin | Turdus m. migratorius |
| ornit. | American robin | Turdus migratorius |
| zool. | American robin | Turdus migratorius, Turdus migratorius migratorius |
| ornit. | American rock wren | Salpinctes obsoletus |
| entomol. | American rose sawfly | Endelomyia aethiops |
| entomol. | American rose slug sawfly | Endelomyia aethiops |
| ornit. | American rough-winged swallow | Stelgidopteryx ruficollis |
| ornit. | American rough-winged swallow | Stelgidopteryx |
| nat.sc., agric. | American sackfish | Neoepinnula americana |
| nat.sc., agric. | American sandlance | Ammodytes americanus |
| zool. | American scoter | Melanitta nigra americana |
| biol. | American screw worm | Callitrcga americana Cushing et Patton |
| nat.res. | American screwworm | Cochliomyia hominivorax |
| vet.med. | American screwworm fly | Cochliomyia hominivorax |
| life.sc., fish.farm. | American sea scallop | Placopecten magellanicus |
| life.sc., agric. | American seed beetle | Acanthoscelides obtectus Say |
| life.sc., agric. | American serpentine leaf miner | Liriomyza trifolii Burg. |
| zool. | American shrew mole | Neurotrichus gibbsi |
| mamm. | American shrew-mole | Neurotrichus gibbsii |
| mamm. | American shrew-moles | Neurotrichus |
| bot. | American slough-grass | Beckmannia syzigachne Steud. Fernald |
| biol. | American sloughgrass | Beckmannia syzygachne L. Fer. |
| ornit. | American sparrow-hawk | Tinnunculus sparverius |
| ornit. | American sparrows | Emberizidae |
| nat.sc., agric. | American speedwell | Veronica peregrina L. |
| nat.res. | American spikenard | Aralia racemosa |
| biol. | American spilanthes | Spilanthes americana Hieron |
| mamm. | American spiny rats | Echimyidae |
| biol. | American starflower | Trientalis borealis |
| ornit. | American stint | Ereunetes minutillus |
| nat.res. | american stint | Calidris minutilla |
| environ., nat.res. | American strawberry | Gaultheria shallon |
| biol. | American strawberry | Fragaria vesca var. americana |
| biol. | American sugarcane borer | Diatraea saccharalis (Fabricius) |
| nat.res., forestr. | American sweet gum | Liquidambar styraciflua |
| biol. | American sweet gum | Liquidambar styraciflua L. |
| bot. | American sweet gum tree | Liquidambar styraciflua |
| nat.sc., agric. | American sycamore | Platanus occidentalis |
| nat.sc., agric. | American terrapins | Malaclemys |
| nat.sc., agric. | American terrapins | Malaclemys spp. |
| nat.res. | American tingle | Purpura Lapillus |
| nat.res. | American tingle | Thais |
| nat.res. | American tingle | Urosalpinx cinerea |
| nat.res. | American tingle | Murex erinaceus |
| nat.sc., agric. | American tobacco | Nicotiana tabacum |
| ornit. | American tree sparrow | Spizella arborea |
| ornit. | American treecreeper | Certhia americana |
| zool. | American tree-creeper | Certhia americana |
| mamm. | American tropical false vampire bat | Vampyrum spectrum |
| zool. | American tufted duck | Aythya collaris |
| environ., nat.res., agric. | American tulip tree | Liriodendron tulipifera |
| biol. | American twayblade | Liparis forrestii Rolfe |
| biol. | American twayblade | Liparis Rich. |
| biol. | American vetch | Vicia americana |
| ornit. | American vultures | Cathartidae |
| entomol. | American wainscot | Pseudaletia unipuncta |
| bot. | American walnut | Juglans nigra |
| mamm. | American water shrew | Sorex palustris |
| biol. | American waterlily | Nymphaea odorata Ait |
| biol. | American waterplantain | Alisma plantago-aquatica L. |
| environ., nat.res. | American water-willow | Justicia americana |
| biol. | American waterwort | Elatine triandra Schk. |
| mamm. | American western pipistrelle | Pipistrellus hesperus |
| bot. | American white ash | Fraxinus americana |
| life.sc., forestr. | American white elm | Ulmus pendula |
| bot. | American white oak | Quercus alba |
| ornit. | American white pelican | Pelecanus erythrorhynchus |
| zool. | American white pelican | Pelecanus erythrorhynchos |
| biol. | American white-backed rice plant hopper | Sogata brazilensis Muir |
| biol. | American white-backed rice plant hopper | Sogatodes orizicola (Muir) |
| biol. | American white-backed rice planthopper | Sogatodes orizicola (Muir) |
| forestr. | American whitewood | Liriodendron tulipifera |
| ornit. | American wigeon | Mareca americana |
| ornit. | American wigeon | Anas americana |
| bot. | American wild plum | Prunus americana |
| nat.res. | American willowherb | Epilobium adenocaulon |
| bot. | American willowherb | Epilobium watsoni Barbey |
| bot. | American willowherb | Epilobium adenocaulon Hausskn. |
| biol. | American wisteria | Wisteria frutescens Poir |
| biol. | American wood anemone | Anemone quinquefolia L. |
| ornit. | American wood owl | Ciccaba virgata |
| ornit. | American wood stork | Mycteria americana |
| ornit. | American woodcock | Scolopax minor |
| biol. | American wormseed | Chenopodium ambrosioides var. anthelminticum A. Gay |
| nat.sc., agric. | American yellow perch | Perca flavescens |
| gen. | Apple brown rot, Cherry brown rot, Twig canker, American brown rot:stone fruits | Monilinia fructicola |
| gen. | Apple brown rot, Cherry brown rot, Twig canker, American brown rot:stone fruits | Sclerotinia fructicola |
| gen. | Apple brown rot, Cherry brown rot, Twig canker, American brown rot:stone fruits | Monilia fructicola |
| arts., ed., school.sl. | Associate of the American Antiquarian Society | Americanae Antiquarianae Societatis Socius |
| biol. | brown American cockroach | Periplaneta americana L. |
| environ. | caribbean flamingo or American flamingo or cuban flamingo or rosy flamingo or West Indian flamingo or Roseate flamingo | Phoenicopterus ruber ruber |
| environ., nat.res. | Central American agouti | Dasyprocta punctata |
| mamm. | Central American cacomistle | Bassariscus sumichrasti |
| obs., forestr. | Central American cedar | Cedrela mexicana |
| environ., nat.res. | Central American coral snake | Micrurus nigrocintus |
| biol. | central American fruit fly | Anastrepha striata Shiner |
| biol. | Central American fruit-fly | Anastrepha striata Shiner |
| environ., nat.res. | Central American puma | Puma concolor costaricensis |
| nat.res. | Central American red brocket | Mazama temama cerasina |
| nat.res. | Central American red brocket | Mazama temama |
| nat.res. | Central American river turtle | Dermatemys mawii |
| biol. | Central American rubber | Castilloa elastica Cerv. |
| nat.sc., agric. | Central American shrimp | Penaeus vannamei |
| mamm. | Central American spider monkey | Ateles geoffroyi |
| environ., nat.res. | Central American squirrel monkey | Saimiri oerstedii |
| nat.res. | Central American tapir | Tapirus bairdii |
| mamm. | Central American tapir | Tapirus bairdi |
| mamm. | Central American water mice | Rheomys |
| mamm. | Central American wrinkled-faced Bat | Centurio senex |
| mamm. | Central American yellow Bat | Rhogeessa tumida |
| mamm. | Central and South American porcupines | Coendou |
| biol. | common American swallowtail | Papilio polyxenes asterius Stoll |
| biol. | common American swallowtail | Papilio polyxenes aeterius Stoll |
| entomol. | desert South American locust | Schistocerca peregrina |
| zool. | Eastern American mole | Scalopus aquaticus |
| mamm. | eastern South American and Panamanian smoky bats | Furipterus |
| mamm. | European and American tree squirrels | Sciurus |
| arts., ed., school.sl. | Fellow of the American Academy of Arts and Sciences | Academiae Americanae Socius |
| mamm. | large American opossum | Didelphis marsupialis |
| mamm. | large American opossums | Didelphis |
| biol. | large brown American cockroach | Periplaneta americana L. |
| zool. | Latin American Criollo cattle | Bos taurus |
| environ., nat.res. | Middle American red brocket | Mazama americana cerasina |
| zool. | Middle-American saltator | Saltator coerulescens grandis |
| nat.res. | North American badger | Taxidea taxus |
| zool. | North-American badger | Taxidea taxus |
| nat.res. | North American Beaver | Castor canadensis |
| mamm. | North American buffalo | Bison bison |
| mamm. | North American cacomistle | Bassariscus astutus |
| biol. | North American calceolaria | Calceolaria verticillata |
| mamm. | North American common mole | Scalopus aquaticus |
| nat.res. | North American fire ant | Solenopsis saevissima |
| nat.res. | North American fire ant | Solenopsis invicta |
| nat.res. | North American lynx | Lynx canadensis |
| mamm. | North American manatee | Trichechus manatus |
| mamm. | North American meadow jumping mouse | Zapus hudsonius |
| nat.res. | North American meadow katydid | Conocephalus strictus |
| mamm. | North American mountain goat | Oreamnos americanus |
| mamm. | North American mountain goats | Oreamnos |
| mamm. | North American opossum | Didelphis marsupialis |
| nat.res. | North American otter | Lontra canadensis |
| obs., nat.res. | North American otter | Lutra canadensis |
| environ., nat.res. | North American pampathere | Holmesina septentrionalis |
| environ., nat.res. | North American pitcher plants | Sarracenia spp. |
| mamm. | North American porcupine | Erethizon dorsatum |
| mamm. | North American porcupines | Erethizon |
| mamm. | North American racoon | Procyon lotor |
| environ., nat.res. | North American red-eared terrapin | Trachemys scripta elegans |
| mamm. | North American river otter | Lutra canadensis |
| nat.sc. | north american wood ibis | Mycteria americana |
| biol. | Northern American hophornbeam | Ostrya virginiana var. glandulosa K. Kock |
| mamm. | pale South American porcupine | Coendou pallidus |
| mamm. | Palearctic and American tree squirrels | Sciurus |
| biol. | pea American streak virus | Pisum virus virgatum (Roland) |
| biol. | pea American streak virus | Pisum virus (Weiss) |
| biol. | red berry American elder | Sambucus canadensis var. rubra Pallmer et Steyerm f. |
| life.sc., environ. | red-backed squirrel monkey or Central American squirrel monkey | Saimiri oerstedii |
| biol. | rice field American waterlily | Nymphaea odorata var. gigantea Tricker |
| biol. | rust of American artichoke | Puccinia helianthi Schw. |
| agric. | South American acacia | Pithecolobium saman |
| agric. | South American acacia | Pithecellobium dulce |
| mamm. | South American burrowing mice | Oxymycterus |
| mamm. | South American bush rats | Octodon |
| life.sc., environ. | South American false cobra, South American water cobra, beach cobra, surucucu | Hydrodynastes gigas |
| life.sc., environ. | South American false cobra, South American water cobra, beach cobra, surucucu | Cyclagras gigas |
| mamm. | South American field mice | Akodon |
| mamm. | South American foxes | Dusicyon |
| nat.res. | South american fur seal | Arctocephalus australis |
| mamm. | South American fur seal | Arctocephalus australis |
| mamm. | South American grison | Galictis vittatus |
| nat.sc., agric. | South American harpy eagle | Harpia harpyja |
| entomol. | South American locust | Schistocerca paranensis |
| nat.res., agric. | south american locust | Schistocerca paranensis |
| nat.res., agric. | south american locust | Schistocerca americana |
| biol. | South American locust | Schistocerca americana (Drury) |
| bot. | South American locust tree | Hymenaea courbaril |
| mamm. | South American manatee | Trichechus inunguis |
| zool. | South American mouse opossums | Marmosa |
| nat.res. | South American ostrich | Rhea americana |
| nat.res. | South-American otter | Lutra platensis |
| ornit. | South American painted snipe | Nycticryphes semicollaris |
| ornit. | South American painted snipe | Nycticryphes |
| mamm. | South American porcupine | Coendou prehensilis |
| mamm. | South American pygmy squirrel | Sciurillus pusillus |
| mamm. | South American pygmy squirrels | Sciurillus |
| biol. | South American rice stink bug | Mormidea or Solubea |
| biol. | South American rice stink bug | Oebalus poecilus (Dallas) |
| environ., nat.res. | South American river dolphins | Sotalia spp. |
| nat.res. | South American river dolphins | Sotalia |
| nat.res. | South American river turtle | Podocnemis |
| nat.sc., agric. | South American rock mussel | Perna perna |
| mamm. | South American rock rat | Aconaemys fuscus |
| biol. | South American rubber | Hevea mutabile Aubl. |
| nat.res. | South American sea lion | Otaria flavescens |
| nat.res. | South american sea lion | Otaria byronia |
| mamm. | South American sea lion | Otaria byronia |
| mamm. | South American sea lions | Otaria |
| zool. | South-American snipe | Gallinago paraguaiae |
| mamm. | South American spiny mouse | Scolomys melanops |
| mamm. | South American tapir | Tapirus terrestris |
| ornit. | South American teal | Anas flavirostris |
| ornit. | South American tern | Sterna hirundinacea |
| zool. | South-American tern | Sterna hirundinacea |
| nat.sc., agric. | South American tree-porcupines | Coendou spinosus |
| health. | South American trypanosomiasis | nosogenum:Trypanosoma cruxi = Trypanosoma cruzi |
| mamm. | South American vampire bat | Desmodus rotundus |
| mamm. | South American water rat | Scapteromys tumidus |
| mamm. | South American water rat | Nectomys squamipes |
| mamm. | South American water rats | Scapteromys |
| vet.med. | tristeza of South American cattle | Babesia argentina |
| bot. | tropical American corkwood | Ochroma lagopus |
| mamm. | tropical American false vampire bats | Vampyrum |
| bot. | true American plum | Prunus americana |
| biol. | weep American elm | Ulmus americana var. pendula Ait. |
| biol. | West American cherry | Prunus besseyi Bailey Sok. |
| mamm. | western American mole | Scapanus orarius |
| zool. | Western American moles | Scapanus |
