Click beetle resting on a brick wall

    Click Beetles

    Approximately 1,000 species in North America
    Photo of climbing false buckwheat vines, leaves, and flowers.

    Climbing False Buckwheat (Crested Buckwheat)

    Fallopia scandens (formerly Polygonum scandens)
    Photo of climbing milkweed flowers and leaves.

    Climbing Milkweed

    Matelea decipiens
    image of a Clouded Sulphur on a wildflower

    Clouded Sulphur

    Colias philodice
    Wood cockroach crawling on tree

    Cockroaches and Termites

    About 100 species of cockroaches and termites in North America north of Mexico
    Photo of columbine flower closeup

    Columbine

    Aquilegia canadensis
    Poisonous Icon

    Poisonous

    Photo of combleaf yellow false foxglove showing flowers and leaves.

    Combleaf Yellow False Foxglove

    Aureolaria pectinata (formerly Gerardia pedicularia)
    Illustration of common alder leaves, flowers, fruits.

    Common Alder

    Alnus serrulata
    Photo of tall thoroughwort plant with flowers

    Common Boneset (Thoroughwort)

    Eupatorium perfoliatum
    Common buckeye butterfly nectaring on a flower, wings spread

    Common Buckeye

    Junonia coenia
    Illustration of common buckthorn leaves and fruits.

    Common Buckthorn

    Rhamnus cathartica
    Poisonous Icon

    Poisonous

    invasive icon

    Invasive

    Photo of common cinquefoil plants with flowers

    Common Cinquefoil

    Potentilla simplex
    Photo of common dayflower flower and buds.

    Common Dayflower

    Commelina communis
    fork and knife icon

    Edible

    Male common eastern bumble bee on a New World aster
    Illustration of common elderberry leaves, flowers, fruits

    Common Elderberry

    Sambucus canadensis
    Photograph of a Common Grackle

    Common Grackle

    Quiscalus quiscula
    Photo of common ground cherry flower

    Common Ground Cherry

    Physalis longifolia
    fork and knife icon

    Edible

    Illustration of hackberry leaves, stem, fruit.

    Common Hackberry

    Celtis occidentalis
    fork and knife icon

    Edible

    Photo of common horse gentian stalk showing opposite, perfoliate leaves.

    Common Horse Gentian

    Triosteum perfoliatum
    Photo of a common house spider, egg sac, and web

    Common House Spider

    Parasteatoda tepidariorum (syn. Achaeranea tepidariorum)
    Photo of common milkweed flower cluster

    Common Milkweed

    Asclepias syriaca
    Illustration of common moonseed leaves, flowers, fruits

    Common Moonseed

    Menispermum canadense
    Poisonous Icon

    Poisonous

    Illustration of common prickly ash leaves, flowers, fruits

    Common Prickly Ash

    Zanthoxylum americanum
    Photo of a female scorpionfly perched on a leaf.
    Photo of common St. John’s-wort flower with spent flowers and fruits

    Common St. John’s-Wort

    Hypericum perforatum
    Photo of common sunflower

    Common Sunflower

    Helianthus annuus
    fork and knife icon

    Edible

    image of a Common True Katydid

    Common True Katydid

    Pterophylla camellifolia
    Photo of common violet

    Common Violet

    Viola sororia
    fork and knife icon

    Edible

    Photo of common water hemlock or spotted cowbane flowers

    Common Water Hemlock

    Cicuta maculata
    Poisonous Icon

    Poisonous

    Photo of a common wood-nymph butterfly

    Common Wood Nymph

    Cercyonis pegala
    Photo of compass plant flowers

    Compass Plant

    Silphium laciniatum
    Convergent lady beetle crawling on a leaf

    Convergent Lady Beetle

    Hippodamia convergens
    large gray and white bird perching on a black branch

    Cooper's Hawk

    Accipiter cooperii
    Photo of copper iris plants with flowers

    Copper Iris

    Iris fulva
    Coral hairstreak butterfly on butterfly weed flowers

    Coral Hairstreak

    Satyrium titus (syn. Harkenclenus titus)
    Illustration of cottonwood leaves and fruits.

    Cottonwood

    Populus deltoides
    coyote walking through grassland

    Coyote

    Canis latrans
    Photo of a sod webworm adult moth on a window with hind end propped up

    Crambid Snout Moths

    More than 860 species in North America north of Mexico
    Illustration of cucumber magnolia leaves, flower, fruits.

    Cucumber Magnolia

    Magnolia acuminata
    Photo of Culver's root plant with flowers

    Culver’s Root

    Veronicastrum virginicum
    Illustration of cupseed leaves, flowers, fruits

    Cupseed

    Calycocarpum lyonii
    Poisonous Icon

    Poisonous

    Photo of a cut-leaf grape fern showing whole plant

    Cut-Leaf Grape Fern

    Botrychium dissectum (syn. Sceptridium dissectum)
    Photo of a Harvestman, viewed from above

    Daddy Longlegs (Harvestmen)

    About 6,500 species have been named so far, worldwide.
    Photo of an adult damselfly on a twig next to water.

    Damselflies

    Species in the suborder Zygoptera
    Photo of a dark fishing spider standing on a rubber tire.

    Dark Fishing Spider

    Dolomedes tenebrosus
    Image of a dark-eyed junco

    Dark-Eyed Junco

    Junco hyemalis
    Illustration of deerberry leaves, flowers, fruits

    Deerberry

    Vaccinium stamineum
    fork and knife icon

    Edible

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