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Acalypha gracilens

Shortsalk Copperleaf, Slender Copperleaf, Slender Threeseed Mercury, Three-seeded Mercury
Form Form Close up of flower Close up of flower Close up of leaves Close up of leaves Form Form Drawing from 1913 Drawing from 1913

Acalypha poiretii

Chenille Plant, Poiret's copperleaf
Form Form Capsules forming Capsules forming Stem with hairs Stem with hairs Leaves in Feb. in Puerto Rico Leaves in Feb. in Puerto Rico
2 Cultivars/Varieties

Acalypha rhomboidea

Common Three-Seed Mercury, Copperleaf, Rhomboid Mercury, Virginia Three-Seed Mercury
Form Form Leaves Leaves Flowers Flowers Stem Stem Leaves in dappled sunlight Leaves in dappled sunlight Leaf close up Leaf close up

Acalypha virginica

Virginia Copperleaf, Virginia Threeseed Mercury
Form Form Form Form Leaves Leaves Stem and flowers Stem and flowers Fruit Fruit Leaves Leaves

Aegopodium podagraria

Bishop's goutweed, Bishops' Weed, Bishopweed, Gout Weed, Ground Elder, Herb Gerard, Snow on the mountain
Aegopodium podograria Aegopodium podograria Aegopodium podogaria Variegatum Aegopodium podogaria Variegatum Varigated Varigated Varigated Varigated Flower Flower Leaf Leaf
1 Cultivar/Variety

Agrostemma githago

Cockle, Corn Cockle
form form flowers flowers purple flower purple flower Close up of flower Close up of flower pink flower pink flower purple flower purple flower
1 Cultivar/Variety

Allium canadense

Meadow Garlic, Wild Garlic, Wild Onion
Flowers Flowers Flowers Flowers Allium canadense Allium canadense Bud Bud Blooms and bulbheads Blooms and bulbheads Blooms and bulbheads Blooms and bulbheads

Allium vineale

Crow Garlic, Field Garlic, Onion Grass, Stag's Garlic, Wild Garlic, Wild Onion
Purplish flowers (Guilford County, NC)-Late Spring Purplish flowers (Guilford County, NC)-Late Spring Bulbils (Guilford County, NC)-Late Spring Bulbils (Guilford County, NC)-Late Spring Inflorescence (Guilford County, NC)-Late Spring Inflorescence (Guilford County, NC)-Late Spring Bulbils (Guilford County, NC)-Late Spring Bulbils (Guilford County, NC)-Late Spring Bulbils (Guilford County, NC)-Late Spring Bulbils (Guilford County, NC)-Late Spring Allium vineale Allium vineale

Alternanthera philoxeroides

Alligatorweed, Alligator Weed, Pig Weed
Form in water Form in water Flower head Flower head Leaves and stem Leaves and stem Flower detail Flower detail Leaf close-up Leaf close-up Stem Stem

Amaranthus blitum

Livid Amaranth, Pigweed, Purple Amaranth
Amaranthus blitum L. Amaranthus blitum L. Amaranthus blitum L. Amaranthus blitum L. Amaranthus blitum habit Amaranthus blitum habit Amaranthus lividus flower Amaranthus lividus flower Amaranthus lividus form Amaranthus lividus form Amaranthus lividus form Amaranthus lividus form

Amaranthus palmeri

Carelessweed, Dioecious amaranth, Palmer's pigweed
Amaranthus palmeri Amaranthus palmeri Amaranthus palmeri Amaranthus palmeri Amaranthus palmeri Amaranthus palmeri Amaranthus palmeri Amaranthus palmeri Amaranthus palmeri Amaranthus palmeri Amaranthus palmeri Amaranthus palmeri

Amaranthus retroflexus

Careless Weed, Common Amaranth, Common Tumbleweed, Pigweed, Pigweed Amaranth, Red Root Amaranth, Red-Root Amaranth, Redroot Amaranth, Red Root Pigweed, Red-Root Pigweed, Redroot Pigweed, Rough Pigweed, Wild Beet Amaranth
Amaranthus retroflexus Amaranthus retroflexus Amaranthus rettoflexus Amaranthus rettoflexus Amaranthus retroflexus Amaranthus retroflexus Aramanthus retroflexus Aramanthus retroflexus Aramanthus retroflexus Aramanthus retroflexus Aramanthus retroflexus Aramanthus retroflexus

Ambrosia artemisiifolia

American Wormwood, Bitterweed, Blackweed, Carrot Weed, Common Ragweed, Hay Fever Weed, Ragweed
Form Form Leaves Leaves Stems and leaves Stems and leaves Flower buds Flower buds Close up of male flower Close up of male flower Male flowers and stems Male flowers and stems

Aphanes arvensis

Field Parsley Piert, Parsley Piert, Parsley-piert
Form Form Leaves Leaves Leaves and flowers Leaves and flowers Close up of flower Close up of flower Aphanes arvensis Aphanes arvensis Aphanes arvensis Aphanes arvensis

Arctium lappa

Bardane, Beggar's Buttons, Burrdock, Edible Burdock, Gobo, Great Burdock, Greater Burdock, Lappa, Snake's Rhubarb, Thorny Burr
Close up of globe-like inflorescence. Close up of globe-like inflorescence. Flat topped flower cluster. Flat topped flower cluster. Flowers Flowers Flowers Flowers Form Form Spent flowers that dry out and form burrs. Spent flowers that dry out and form burrs.

Arctium minus

Bardane, Common Burdock, Lesser Burdock
flower and leaves flower and leaves flower and leaves flower and leaves leaves leaves Arctium minus Arctium minus Arctium minus Arctium minus Arctium minus Arctium minus

Artemisia vulgaris

Felon Herb, Mugwort, Riverside Wormwood, Wild Wormwood
Flowers Flowers Flowers Flowers Form Form Leaves Leaves Stem, flower Stem, flower underside of leaf underside of leaf

Arthraxon hispidus

Creek Grass, Hairy Jointgrass, Joint-head Grass, Small Carpetgrass, Small Carp Grass
Form Form Leaf and stem Leaf and stem Clasping base Clasping base Hairs on leaf margin Hairs on leaf margin Flower spikes Flower spikes Seedhead in Oct. Seedhead in Oct.

Baccharis halimifolia

Consumptionweed, Consumption-Weed, Coyote Bush, Eastern Baccharis, groundsel, High-tide Bush, Saltbush, Salt Marsh Elder, Sea Myrtle, Silverling
Form with feathery achenes (Greensboro, NC)-Mid Fall Form with feathery achenes (Greensboro, NC)-Mid Fall Color illustration of the technical details of this species. Color illustration of the technical details of this species. Flowers and achenes (Greensboro, NC)-Mid Fall Flowers and achenes (Greensboro, NC)-Mid Fall Baccharis halimifolia Baccharis halimifolia Baccharis halimifolia Baccharis halimifolia Baccharis halimifolia Baccharis halimifolia
2 Cultivars/Varieties

Berberis bealei

Leatherleaf Mahonia
Mahonia bealei Mahonia bealei Mahonia bealei Mahonia bealei Mahonia bealei Mahonia bealei Mahonia bealei Mahonia bealei Mahonia bealei Mahonia bealei Form Form

Boehmeria cylindrica

Bog Hemp, False Nettle, Smallspike False Nettle

Bowlesia incana

Hairy Bowlesia, Hoary Bowlesia
Bowlesia incana Bowlesia incana Bowlesia incana Bowlesia incana Bowlesia incana Bowlesia incana Bowlesia incana Bowlesia incana Bowlesia incana Bowlesia incana Bowlesia incana Bowlesia incana

Brassica nigra

Black Mustard, Brown Mustard, Mostaza, Red Mustard, True Mustard
Brassica nigra Brassica nigra Brassica nigra Brassica nigra Brassica nigra Brassica nigra Brassica nigra Brassica nigra Brassica nigra Brassica nigra Brassica nigra Brassica nigra

Broussonetia papyrifera

Paper Mullberry, Tapa Cloth Tree
Broussonetia papyrifera Broussonetia papyrifera Broussonetia papyrifera Broussonetia papyrifera Fruit and Leaves On Tree Fruit and Leaves On Tree Fruit and Leaf Fruit and Leaf Leaves Leaves

Calystegia sepium

Appalachia False Bindweed, Bearbind, Bellbind, Bingham's False Bindweed, Bracted Bindweed, Bugle Vine, Devil's Guts, Great Bindweed, Heavenly Trumpets, Hedgebell, Hedge Bindweed, Hedge False Bindweed, Large Bindweed, Old Man's Nightcap, Rutland Beauty, Wild Morning Glory
Pink Flowers Pink Flowers Note the bracts do not overlap Note the bracts do not overlap Form Form Leaves Leaves Leaves Leaves Seeds Seeds

Calystegia silvatica

Giant Bindweed, Short-stalked False Bindweed
Climbing habit Climbing habit Flower detail Flower detail Side view of flower shows overlapping bracts Side view of flower shows overlapping bracts Flower buds Flower buds Growing wild Growing wild Leaf detail Leaf detail
4 Cultivars/Varieties

Capsella bursa-pastoris

Shepherd's Purse
Capsella bursa-pastoris Capsella bursa-pastoris Capsella bursa-pastoris Capsella bursa-pastoris Capsella bursa-pastoris Capsella bursa-pastoris Capsella bursa-pastoris Capsella bursa-pastoris Capsella bursa-pastoris Capsella bursa-pastoris Capsella bursa-pastoris Capsella bursa-pastoris

Cardamine

Bittercress
Cardamine pratensis flowers Cardamine pratensis flowers Cardamine spp. Cardamine spp. Cardamine spp. Cardamine spp. Cardamine corymbosa form and flowers Cardamine corymbosa form and flowers Cardamine spp. Cardamine spp. Cardamine spp. Cardamine spp.

Cardamine corymbosa

New Zealand Bittercress
Cardamine corymbosa form and flowers Cardamine corymbosa form and flowers Cardamine corymbosa Cardamine corymbosa Cardamine corymbosa Cardamine corymbosa Cardamine corymbosa Cardamine corymbosa

Cardamine hirsuta

Bittercress, Flick Weed, Hairy Bittercress, Hoary Bittercress, Lamb's Cress, Land Cress, Shot Weed, Springcress
Cardamine hirsuta Cardamine hirsuta Cardamine hirsuta Cardamine hirsuta Cardamine hirsuta Cardamine hirsuta Cardamine hirsuta Cardamine hirsuta Cardamine hirsuta Cardamine hirsuta Plant Plant

Causonis japonica

Bushkiller, Japanese Cayratia Herb, Sorrel Vine, Yabu Garashi
Compound leaves Compound leaves Flowers Flowers Flower detail Flower detail Leaves showing petiole of leaflets Leaves showing petiole of leaflets Fruits Fruits Underside of leaf, stem with long tendril Underside of leaf, stem with long tendril

Cenchrus longispinus

Burgrass, Field Sandbur, Gentle Annie, Hedgehog grass, Innocent-weed, Long-Spined Sandbur, Longspine Sandbur, Mat Sandbur, Sandbur, Sandspur
Cenchrus longispinus Cenchrus longispinus Cenchrus longispinus Cenchrus longispinus Cenchrus longispinus Cenchrus longispinus Cenchrus longispinus Cenchrus longispinus Cenchrus longispinus Cenchrus longispinus Cenchrus longispinus Cenchrus longispinus

Centaurea maculosa

Spotted Knapweed
Centaurea maculosa Centaurea maculosa Centaurea maculosa Centaurea maculosa Centaurea maculosa Centaurea maculosa Centaurea maculosa Centaurea maculosa

Centaurea solstitialis

Barnaby's Thistle, Yellow Knapweed, Yellow Star Thistle
Flower Flower

Cerastium glomeratum

Clammy Chickweed, Sticky Chickweed, Sticky Mouse-ear Chickweed
Form Form Flowers Flowers Whole plant Whole plant Stems and leaves Stems and leaves Fruit Fruit

Cerastium holosteoides

Mouseear Chickweed
Cerastium fontanum ssp. vulgare Cerastium fontanum ssp. vulgare Cerastium fontanum ssp. vulgare Cerastium fontanum ssp. vulgare Cerastium fontanum ssp. vulgare Cerastium fontanum ssp. vulgare

Chelidonium majus

Celandine, Greater Celandine, Rock-Poppy, St. John's Wort
leaves and yellow flower leaves and yellow flower leaves and yellow flowers leaves and yellow flowers leaves and yellow flowers leaves and yellow flowers leaves leaves leaves and yellow flowers leaves and yellow flowers close up of yellow flowers close up of yellow flowers

Chenopodium album

Baconweed, Bacon Weed, Fat Hen, Frost-blite, Goosefoot, Lambsquarters, Pigweed, White Goosefoot
Chenopodium album Chenopodium album Chenopodium album Chenopodium album Chenopodium album Chenopodium album Chenopodium album Chenopodium album Chenopodium album Chenopodium album flower flower

Cichorium intybus

Blue Sailors, Chicory, Coffeeweed, Common Chicory, Cornflower, Italian Dandelion, Succory
Cichorium intybus Cichorium intybus Cichorium intybus Cichorium intybus Cichorium intybus Cichorium intybus Cichorium intybus Cichorium intybus Cichorium intybus Cichorium intybus Cichorium intybus Cichorium intybus
1 Cultivar/Variety

Cirsium

Cirsium, Plume Thistle
Cirsium canovirens Cirsium canovirens Cirsium brevistylum Cirsium brevistylum Cirsium arvense Cirsium arvense Cirsium Cirsium Cirsium undulatum Cirsium undulatum Cirsium occidentale candidissimum Cirsium occidentale candidissimum

Cirsium arvense

Canada thistle, Creeping Thistle, Field Thistle, Swamp Thistle, Thistle
Carduus muticus Carduus muticus Carduus muticus Carduus muticus

Cirsium horridulum

Bristle Thistle, Bull Thistle, Horrid Thistle, Purple Thistle, Spiny Thistle, Yellow Thistle
Cirsium horridulum Cirsium horridulum Cirsium horridulum Cirsium horridulum Cream Colored Flower Cream Colored Flower Gold Colored Flower Gold Colored Flower cirsium horridulum cirsium horridulum bud with spines bud with spines
1 Cultivar/Variety

Cirsium horridulum var. horridulum

Common Yellow Thistle
Thistle flower head Thistle flower head Thistle flower head Thistle flower head

Cirsium muticum

Dunce-nettle, Horsetops, Marsh Thistle, Swamp Thistle
Cirsium muticum Cirsium muticum Cirsium muticum Cirsium muticum Circium muticum Circium muticum Cirsium muticum Cirsium muticum Cirsium muticum Cirsium muticum

Cirsium pumilum

Fragrant Thistle, Pasture Thistle
Cirsium pumilum Cirsium pumilum Form Form Flower bud Flower bud Leaves Leaves Underside of leaf Underside of leaf Stem Stem
1 Cultivar/Variety

Cirsium vulgare

Bull Thistle, Common Thistle
Cirsium vulgare Cirsium vulgare Cirsium vulgare Cirsium vulgare Cirsium vulgare Cirsium vulgare Cirsium vulgare Cirsium vulgare Cirsium vulgare Cirsium vulgare

Clematis terniflora

Japanese Clematis, Japanese virgin's-bower, Sweet Autumn Clematis, Sweet Autumn Virginsbower, Yam-Leaved Clematis
form in landscape on arbor in late summer form in landscape on arbor in late summer leaves, flowers, and more leaves, flowers, and more parts of the plant (in late summer) parts of the plant (in late summer) one flower (4 petals) one flower (4 petals) leaves and leaf arrangement leaves and leaf arrangement flowers flowers

Conium maculatum

Deadly Hemlock, Poison Fool's Parsley, Poison Hemlock, Poison Parsley, Spotted Hemlock
White flower clusters. White flower clusters. White flowers with one purple one in the center. White flowers with one purple one in the center. Leaves Leaves Lacy leaves resemble parsley. Lacy leaves resemble parsley. Umbrella like clusters of tiny white flowers. Umbrella like clusters of tiny white flowers. Immature fruits are green and ribbed. Immature fruits are green and ribbed.