North American covers almost all area of North America except of its southern part and northern continent edges. Sometimes is classified into other sub areas (North Atlantic, South Atlantic, North Pacific and South Pacific). Flora is really rich here, these area has 6 endemic families altogether. Share of endemic species is high – is approaching to the 50%. Northern vegetation is influenced by Subarctic and slightly by Arctic. Southern parts of this area are then species-richer, with higher amount of endemic species. Development is influenced by Asian tropics and partially by the Neotropis area.
- AEONIUM HAWORTHII Webb et Berthel. – Haworth’s Aeonium
- ALISMA PLANTAGO-AQUATICA L. – Common Water-plantain
- ARABIS GLABRA (L.) Bernh. – Tower Mustard
- ARISTOLOCHIA CLEMATITIS L. – Birthwort
- ASCLEPIAS SYRIACA L. – Common Milkweed
- ASPLENIUM RUTA-MURARIA L. – Wall Rue
- ASPLENIUM SEPTENTRIONALE (L.) Hoffm. – Forked Spleenwort
- ASTER ALPINUS L. – Alpine Aster
- BOTRYCHIUM LUNARIA (L.) Schwartz – Common Moonwort
- BUTOMUS UMBELLATUS L. – Flowering Rush
- CALLUNA VULGARIS (L.) Hull. – Heather, Ling
- CALYSTEGIA SEPIUM (L.) R. Br. – Hedge Bindweed, Bellbine
- CARDARIA DRABA (L.) Desv. – Hoary Cress
- CHENOPODIUM CHENOPODIOIDES (L.) Aellen – Low Goosefoot
- CYPERUS ERAGROSTIS Lam. – Drain Flat Sedge, Pale Galingale, Umbrella Sedge
- DIANTHUS DELTOIDES L. – Maiden Pink
- DIGITALIS GRANDIFLORA Miller – Large Yellow Foxglove
- DROSERA ROTUNDIFOLIA L. – Common Sundew
- ECHINOPS SPHAEROCEPHALUS L. – Great Globe-thistle
- ECHIUM VULGARE L. – Viper’s Bugloss
- EPILOBIUM ANGUSTIFOLIUM L. – Rosebay Willowherb
- ERANTHIS HYEMALIS (L.) Salisb. – Winter Aconite
- EROPHILA VERNA (L.) Bess. – Common Whitlow-grass
- FILIPENDULA ULMARIA (L.) Maxim. – Meadowsweet
- GALINSOGA PARVIFLORA Cav. – Gallant Soldier, Potato Weed, Small Flowered Galinsoga
- GLAUX MARITIMA L. – Sea-milkwort
- HYOSCYAMUS NIGER L. – Henbane
- HYPERICUM PERFORATUM L. – Perforate St John´s Wort
- IPOMOEA PES-CAPRAE (L.) R. Br. – Railroad Vine, Bayhops
- LINUM USITATISSIMUM L. – Common Flax
- LIPARIS LOESELII (L.) Rich. – Yellow Widelip Orchid, Fen Orchid
- LUNARIA REDIVIVA L. – Perennial Honesty
- MENYANTHES TRIFOLIATA L. – Bogbean
- MESEMBRYANTHEMUM CRYSTALLINUM L. – Common Iceplant, Crystalline Iceplant
- ONONIS SPINOSA L. – Spiny Restharrow
- PAPAVER RHOEAS L. – Common Poppy
- PHYSALIS ALKEKENGI L. – Cape Gooseberry, Chinese Lantern, Winter Cherry
- PINGUICULA VULGARIS L. – Common Butterwort
- PINUS SYLVESTRIS L. – Scots Pine
- POLYPODIUM VULGARE L. – Common Polypody
- RHODIOLA ROSEA L. – Rose-root
- SANGUISORBA OFFICINALIS L. – Great Burnet
- SAXIFRAGA PANICULATA Miller – Livelong Saxifrage
- SEDUM ACRE L. – Wall Pepper
- SEMPERVIVUM TECTORUM L. – Common Houseleek, Liveforever
- SILENE ACAULIS (L.) Jacq. – Moss Campion
- TRAPA NATANS L. – Water Chestnut
- ULEX EUROPAEUS L. – Common Gorse
- VINCA MINOR L. – Common Periwinkle, Lesser Periwinkle
