Amelanchier, 55 American Columbo, 88 American Ipecac, 57 Ammophila, 4 Amorpha, 58 Amphicarpa, 59 Anacardiaceae, 68 Anagallis, 87 Anaphalis, 120 Andromeda, 86 Andropogon, 5 Androsace, 87 Anemone, 38, 39 Anemone, Rue, 39 Anemone, Wood, 38 Anemonella, 39 Angelica, 82 Anonaceae, 40 Antennaria, 120 Anthemis, 130 Antirrhinum, 103 Anychia, 31 Apios, 58 Aplectrum, 16 Apocynaceae, 90 Apocynum, 90 Appalachian Cherry, 54 Apple, 54 Apple of Peru, 101 Aquifoliaceae, 69 Aquilegia, 36 Arabis, 46, 47 Araceae, 8 Aralia, 80 Araliaceae, 80 Arbutus, Trailing, 85 Arceuthobium, 25 Arctium, 117 Arctostaphylos, 85 Arenaria, 32 Arethusa, 16 Arisaema, 8 Aristolochia, 25 Aristolochiaceae, 25 Arnica, 123 Arrow Arum, 9 Arrow Grass, 3 Arrow Grass Family, 3 Arrow-head, 3 Arrow Wood, 111 Artemisia, 119 Artichoke, Jerusalem, 129 Arum Family, 8 Asarum, 25 Asclepias, 90, 91 Asclepiadaceae, 90 Ash, 88 Ash, Mountain, 52 Ash, Prickly, 65 Asimina, 40 Asparagus, 10 Aspen, 19 Aster, 132-134 Atriplex, 29 Avena, 6 Avens, 56, 57 Baby's Breath, 34 Balm of Gilead, 19 Balsam, 1 Balsam Poplar, 19 Balsaminaceae, 71 Baneberry, 39 Baptisia, 61 Barbarea, 44 Barberry, 40 Barberry Family, 40 Barnyard Grass, 5 Barren Strawberry, 55 Bartonia, 88 Basil, 97 Basil-thyme, 97 Basswood, 72 Bayberry, 21 Beach Grass, 4 Beach Pea, 59 Beaked Hazel, 22 Bearberry, 85 Beard Grass, 5 Beard-tongue, 104 Bedstraw, 108, 109 Beech, 22 Beech Drops, 84, 106 Beech Family, 22 Beggar Lice, 94 Beggar Ticks, 124 Bellflower, 112 Bellflower Family, 112 Bellwort, 12 Benzoin, 41 Berberidaceae, 40 Berberis, 40 Bergamot Mint, 98 Berula, 81 Betula, 21, 22 Betulaceae, 21 Bidens, 123, 124 Bilberry, 86, 87 Bindweed, 91, 92 Bindweed, Black, 28 Birch, 21, 22 Birch Family, 21 Bird-foot Violet, 75 Birthwort Family, 25 Bishop's Cap, 51 Bistort, 28 Bitter Cress, 45, 47 Bitter Dock, 26 Bitter Nut, 21 Bittersweet, 100 Bitter-sweet, 69 Black Alder, 69 Black Ash, 88 Blackberry, 53 Black Bindweed, 28 Black Cherry, 54 Black Currant, 49, 50 Black-eyed Susan, 128 Black Haw, 111 Black Jack Oak, 22 Black Locust, 58 Black Maple, 70 Black Medick, 60 Black Mustard, 44 Black Oak, 23 Black Raspberry, 53 Black Snakeroot, 82 Black Spruce, 1 Black Swallow-wort, 90 Black Walnut, 21 Black Willow, 20 Bladder Campion, 34 Bladder Nut, 69 Bladder Nut Family, 69 Bladderwort, 106 Bladderwort Family, 105 Blazing Star, 13, 121 Blephilia, 96 Blite, 29 Bloodroot, 41 Bloody Dock, 26 Blue Ash, 88 Bluebell, 93, 94 Blueberry, 86 Blue Cohosh, 40 Blue-eyed Grass, 15 Blue-eyed Mary, 104 Blue Flag, 15 Blue Grass, 7 Blue Hearts, 104 Blue-joint, 5 Bluets, 108 Blue Violet, 76 Blueweed, 94 Boehmeria, 24 Bog Rosemary, 86 Boltonia, 131 Boneset, False, 122 Borage, 93 Borage Family, 93 Boraginaceae, 93 Borago, 93 Bowman's Root, 57 Box Elder, 70 Brasenia, 35 Brassica, 43, 44 Brauneria, 131 Braya, 47