Empetraceae, 68

Empetrum, 68

Enchanter's Nightshade, 78

English Plantain, 107

Epifagus, 106

Epigaea, 85

Epilobium, 79

Epipactis, 17

Eragrostis, 7

Erechtites, 122

Ericaceae, 84

Erigenia, 81

Erigeron, 130-132

Eriocaulaceae, 9

Eriocaulon, 9

Eriophorum, 8

Erodium, 64

Eryngium, 80

Erysimum, 43

Erythronium, 12

Eupatorium, 121, 122

Euphorbia, 67, 68

Euphrasia, 102

Evening Primrose, 78

Evening Primrose Family, 78

Everlasting, 120

Everlasting, Pearly, 120

Evonymus, 69

Eyebright, 102

Fagaceae, 22

Fagopyrum, 27

Fagus, 22

Fall Dandelion, 115

False Asphodel, 14

False Boneset, 122

False Buckwheat, 28

False Dragon Head, 99

False Flax, 42

False Foxglove, 102

False Gromwell, 93

False Heather, 74

False Loosestrife, 78

False Mermaid, 68

False Mermaid Family, 68

False Mitrewort, 51

False Nettle, 24

False Pimpernel, 104

False Solomon's Seal, 14

Fatsia, 80

Fennel, 81

Fennel, Dog, 130

Fescue Grass, 7

Festuca, 7

Feverfew, 130

Feverwort, 109

Field Cress, 46

Field Garlic, 13

Figwort, 103

Figwort Family, 101

Filipendula, 57

Fire Pink, 33

Fireweed, 79, 122

Five-finger, 55

Flax, 63

Flax, False, 42

Flax Family, 63

Fleabane, 131, 132

Floating Foxtail, 4

Floating Heart, 88

Floerkea, 68

Flowering Dogwood, 83

Flowering Raspberry, 54

Flowering Wintergreen, 65

Flower-of-an-hour, 72

Foeniculum, 81

Fog Fruit, 99

Forget-me-not, 94

Forked Chickweed, 31

Four-o'Clock Family, 31

Foxglove, False, 102

Fox Grape, 72

Foxtail, 4

Foxtail, Floating, 4

Fragaria, 56

Frasera, 88

Fraxinus, 88

Fringed Gentian, 89

Fringed Orchis, 19

Frog's Bit Family, 3

Frost Grape, 72

Frostweed, 74

Fumaria, 42

Fumariaceae, 41

Fumitory, 42

Fumitory, Climbing, 41

Fumitory Family, 41

Galeopsis, 99

Gale, Sweet, 21

Galinsoga, 130

Galium, 108, 109

Garden Cress, 45, 46

Garden Phlox, 92

Garlic, Field, 13

Gaultheria, 86

Gaura, 79

Gaylussacia, 86

Genista, 58

Gentian, 89

Gentiana, 89

Gentianaceae, 88

Gentian Family, 88

Gentian, Spurred, 89

Geraniaceae, 64

Geranium, 64, 65

Geranium Family, 64

Gerardia, 102, 103

Geum, 56, 57

Giant Hyssop, 97

Giant Ragweed, 114

Gillenia, 57

Ginseng, 80

Gleditsia, 58

Globe-flower, 36

Globe Thistle, 117

Glyceria, 7

Gnaphalium, 120, 121