Delaware Wildflowers • Families

Aster family

Achillea filipendulina	Fernleaf Yarrow
Achillea millefolium	Yarrow
Ageratina altissima var. altissima	White Snakeroot
Ageratina aromatica	Lesser Snakeroot
Ambrosia artemisiifolia	Ragweed
Ambrosia trifida	Giant Ragweed
Antennaria neglecta	Pointed Little-leaf Pussytoes
Antennaria parlinii subsp. fallax	Hairy Big-leaf Pussytoes
Antennaria parlinii subsp. parlinii	Glabrous Big-leaf Pussytoes
Anthemis cotula	Mayweed
Arctium lappa	Great Burdock
Arctium minus	Lesser Burdock
Arnoglossum atriplicifolium	Pale Indian-plantain
Artemisia annua	Annual Wormwood
Artemisia ludoviciana	Sagebrush Wormwood
Artemisia vulgaris	Mugwort
Baccharis halimifolia	Groundsel Tree
Bidens bipinnata	Spanish Needles
Bidens cernua	Nodding Tick-seed
Bidens comosa	Three-lobe Tick-seed
Bidens frondosa	Devil's Tick-seed
Bidens laevis	Smooth Tick-seed
Bidens polylepis	Tick-seed Sunflower
Boltonia asteroides var. glastifolia	Aster-like Boltonia
Carduus nutans	Musk Thistle
Centaurea cyanus	Bachelor's Button Knapweed
Centaurea stoebe subsp. micranthos	Spotted Knapweed
Chondrilla juncea	Skeletonweed
Chrysopsis mariana	Maryland Golden Aster
Cichorium intybus	Chicory
Cirsium arvense	Canada Thistle
Cirsium discolor	Field Thistle
Cirsium horridulum var. horridulum	Yellow Thistle
Cirsium muticum	Swamp Thistle
Cirsium pumilum	Pasture Thistle
Cirsium vulgare	Bull Thistle
Conoclinium coelestinum	Blue Boneset
Conyza canadensis	Canada Horseweed
Coreopsis lanceolata	Lance-leaf Coreopsis
Coreopsis rosea	Rose Coreopsis
Coreopsis tinctoria var. tinctoria	Golden Tickseed
Cosmos bipinnatus	Garden Cosmos
Eclipta prostrata	False Daisy
Elephantopus carolinianus	Carolina Elephant-foot
Elephantopus nudatus	Smooth Elephant-foot
Erechtites hieraciifolius	Fireweed
Erigeron annuus	White-top Fleabane
Erigeron philadelphicus	Philadelphia Fleabane
Erigeron pulchellus var. pulchellus	Robin's Fleabane
Erigeron strigosus var. strigosus	Daisy Fleabane
Eupatorium capillifolium	Dog-fennel Thoroughwort
Eupatorium hyssopifolium	Hyssop-leaf Thoroughwort
Eupatorium perfoliatum	Perfoliate Thoroughwort
Eupatorium pilosum	Ragged Thoroughwort
Eupatorium rotundifolium var. rotundifolium	Roundleaf Thoroughwort
Eupatorium serotinum	Late-flowering Thoroughwort
Eurybia divaricata	White Wood Aster
Eurybia schreberi	Schreber's Aster
Euthamia caroliniana	Flat-top Goldenrod
Euthamia graminifolia var. graminifolia	Smooth Grassleaf Flat-top Goldenrod
Euthamia graminifolia var. nuttallii	Hairy Grassleaf Flat-top Goldenrod
Eutrochium dubium	Three-nerved Joe-pye-weed
Eutrochium fistulosum	Hollow-stem Joe-pye-weed
Eutrochium purpureum var. purpureum	Purple-node Joe-pye-weed
Gaillardia pulchella var. pulchella	Fire-wheel Blanket-flower
Galinsoga quadriradiata	Fringed Quickweed
Helenium autumnale	Autumn Sneezeweed
Helenium flexuosum	Purple-head Sneezeweed
Helianthus angustifolius	Swamp Sunflower
Helianthus annuus	Domesticated Sunflower
Helianthus decapetalus	Thinleaf Sunflower
Helianthus divaricatus	Woodland Sunflower
Helianthus giganteus	Tall Sunflower
Helianthus tuberosus	Jerusalem Artichoke
Heliopsis helianthoides var. helianthoides	Ox-eye
Heterotheca subaxillaris	Camphorweed Goldenaster
Hieracium caespitosum	Meadow Hawkweed
Hieracium flagellare	Hawkweed
Hieracium gronovii	Hairy Hawkweed
Hieracium paniculatum	Panicled Hawkweed
Hieracium scabrum	Rough Hawkweed
Hieracium venosum	Rattlesnake Hawkweed
Hypochaeris radicata	Spotted Cat's-ear
Ionactis linariifolia	Flaxleaf Aster
Iva frutescens subsp. oraria	Northern Marsh Elder
Krigia virginica	Virginia Dwarf-dandelion
Lactuca biennis	Tall Blue Lettuce
Lactuca canadensis	Canada Lettuce
Lactuca floridana	Woodland Lettuce
Lactuca serriola	Prickly Lettuce
Leucanthemum vulgare	Oxeye Daisy
Liatris spicata var. spicata	Spicate Blazingstar
Liatris squarrosa var. squarrosa	Northern Blazingstar
Matricaria discoidea	Pineapple-weed
Mikania scandens	Climbing Hempweed
Nabalus altissimus	Tall Rattlesnake-root
Nabalus serpentarius	Lion's-foot Rattlesnake-root
Packera aurea	Golden Ragwort
Pluchea foetida var. foetida	Stinking Camphorweed
Pluchea odorata var. succulenta	Salt Marsh Fleabane
Pseudognaphalium obtusifolium	Fragrant Cudweed
Pyrrhopappus carolinianus	Carolina False-dandelion
Ratibida columnifera	Columnar Prairie Coneflower
Rudbeckia hirta var. pulcherrima	Black-eyed Susan
Rudbeckia laciniata var. laciniata	Green-head Coneflower
Senecio vulgaris	Old-man-in-the-spring
Sericocarpus asteroides	Stiff Aster
Silphium perfoliatum	Cup-plant
Smallanthus uvedalius	Yellow-flowered Leafcup
Solidago altissima var. altissima	Rough Canada Goldenrod
Solidago arguta var. arguta	Cutleaf Goldenrod
Solidago bicolor	White Goldenrod
Solidago caesia var. caesia	Bluestem Goldenrod
Solidago canadensis var. canadensis	Canada Goldenrod
Solidago flexicaulis	Broadleaf Goldenrod
Solidago gigantea	Smooth Goldenrod
Solidago juncea	Early Goldenrod
Solidago mexicana	Small-headed Seaside Goldenrod
Solidago nemoralis var. nemoralis	Gray Goldenrod
Solidago odora	Sweet Goldenrod
Solidago patula var. patula	Roundleaf Goldenrod
Solidago rugosa var. aspera	Thick Rough-leaf Goldenrod
Solidago rugosa var. rugosa	Thin Hairy Rough-leaf Goldenrod
Solidago sempervirens var. sempervirens	Seaside Goldenrod
Sonchus asper	Spiny-leaf Sowthistle
Sonchus oleraceus	Delectable Sowthistle
Symphyotrichum cordifolium	Heart-leaf Aster
Symphyotrichum ericoides var. ericoides	White Heath Aster
Symphyotrichum lanceolatum var. lanceolatum	Narrow-leaf Panicled Aster
Symphyotrichum lanceolatum var. latifolium	Broad-leaf Panicled Aster
Symphyotrichum lateriflorum var. lateriflorum	Starved Aster
Symphyotrichum novae-angliae	New England Aster
Symphyotrichum pilosum var. pilosum	Hairy Heath Aster
Symphyotrichum pilosum var. pringlei	Smooth Heath Aster
Symphyotrichum puniceum var. puniceum	Bristly Aster
Symphyotrichum subulatum	Annual Salt Marsh Aster
Symphyotrichum undulatum	Clasping Heart-leaved Aster
Taraxacum officinale	Dandelion
Tragopogon dubius	Meadow Goat's-beard
Tragopogon pratensis	Meadow Goat's-beard
Tussilago farfara	Colts-foot
Verbesina alternifolia	Wingstem
Vernonia noveboracensis	New York Ironweed
Xanthium strumarium	Rough Cocklebur
Youngia thunbergiana	Thunberg's Asiatic Hawk's-beard

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