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 Goat's Rue, 60 Golden Alexander, 81 Golden Currant, 49 Golden Glow, 128 Goldenrod, 125-127 Golden Saxifrage, 50 Golden Seal, 38 Gold-thread, 39 Good King Henry, 29 Gooseberry, 49 Goosefoot, 28, 29 Goosefoot Family, 28 Gourd Family, 112 Gramineae, 4 Grape, 72 Grape Family, 71 Grape Hyacinth, 14 Grass Family, 4 Grass of Parnassus, 50 Grass, Star, 14 Gratiola, 104 Gray-headed Coneflower, 128 Great Lobelia, 113 Great Solomon's Seal, 11 Great-spurred Violet, 75 Greek Valerian, 92 Green Ash, 88 Green Brier, 11 Green Foxtail, 4 Green Milkweed, 90 Green Sorrel, 25 Green Violet, 75 Grindelia, 128 Ground Cherry, 101 Ground Hemlock, 2 Ground Ivy, 98 Groundsel, 128 Gum Plant, 128 Gymnocladus, 58 Gypsophila, 34 Gypsophyll, 34 Habenaria, 18, 19 Hackberry, 24 Hair Grass, 6 Halenia, 89 Haloragidaceae, 79 Hamamelidaceae, 51 Hamamelis, 51 Hand-leaf Violet, 75 Harbinger of Spring, 81 Hardhack, 53 Harebell, 112 Hare's Ear, 42 Hawksbeard, 117