disturbed

Showing 37–48 of 94 results

  • Elymus trachycaulus / slender wheatgrass

    • cool season bunchgrass; no rhizomes
    • flower spikes very narrow and linear; overlapping spikelets tightly pressed to stem
    • flat, medium-width leaves; somewhat bluish
    • beautifully straw colored in fall
    • common but rarely abundant; many habitats

  • Equisetum arvense / field horsetail

    • segmented brown stems with spore-bearing "cone" at the tip
    • or - segmented green stem with thin green branches radiating from nodes
    • distinctly visible nodes along the stems
    • no leaves or flowers
    • found in many different habitats

  • Erysimum asperum / prairie-rocket wallflower

    • yellow flowers, large for a crucifer
    • flowers in clusters above foliage
    • oval/elliptical leaves, to 4" long... hairy
    • long thin fruit pod (silique) perpendicular to stem, may curve upward

  • Erysimum cheiranthoides / wormseed wallflower

    • yellow, 4-petaled flower, less than 1/3 inch across
    • lance shaped or elliptical, sessile leaves varying little in size or shape
    • leaf margins entire or coarsely toothed
    • ribbed stems
    • ascending or erect siliques with short pedicels
    • disturbed and waste areas

  • Fragaria vesca / woodland strawberry

    • trifoliate, light green markedly toothed leaves
    • clusters of hairy, 5-petaled white flowers on a soft-hairy stem
    • plants spread by stolons
    • fruit (if any) red with bumps where the seeds are
    • spring/early summer bloom
    • widespread

  • Grindelia squarrosa / Curly cup gumweed

    • small-ish yellow flowers
    • button-like buds
    • attractively compact, globe-shaped plant

  • Hackelia micrantha / Jessica sticktight

    • teeny blue flowers with yellow/white centers
    • flowers appear singly or in groups above developing fruit
    • inflorescence mostly on one side of the stem
    • lower leaves long and narrow; upper leaves fewer and sessile
    • fruit a pointy and tenacious nutlet

  • Helenium autumnale / common sneezeweed

    • 2" flower head with nearly spherical central disk; numerous yellow rays
    • found in moist areas in full or partial sun
    • sessile or clasping lance shaped leaves on an angled and winged stem

  • Helianthus annuus / sunflower

    • tall with big, drooping leaves (up to 15x15 inches)
    • large sunflower like flowers - yellow petals, darker disk
    • disturbed edges and waste areas, roadsides, near crops

  • Hesperis matronalis / dame’s rocket

    • biennial, 3+ feet tall in second year
    • 4-petaled flowers, especially purple or lavender
    • large inflorescences with many flowers
    • garden escapee
    • roadsides, waste places

  • Heterotheca villosa / hairy goldenaster

    • yellow composite with 10-20 ray florets, orange-brown disk
    • hairy leaves and stems
    • blooms throughout season, often densely
    • disturbed and challenging habitats

  • Hordeum jubatum / foxtail barley

    • attractive roadside grass
    • long, silky, glistening awns; red, green, purple-ish
    • awns and bracts are sharp and barbed... potentially dangerous to dogs

Showing 37–48 of 94 results