widespread

Showing 13–24 of 68 results

  • Capsella bursa-pastoris / shepherd’s purse

    • small crucifer with terminal clusters of teeny white flowers
    • rosette of small, maybe toothed, leaves
    • very distinctive, notched, triangular fruits - like shepherd's "purses"
    • found pretty much anywhere that has/had bare soil

  • Cardamine hirsute / hairy bittercress

    • small brassica/crucifer with compound leaves
    • teeny white, 4 petal flowers with 4 stamens in racemic clumps
    • a widespread weed, including gardens and lawns

  • Carduus nutans / musk thistle

    • quite large, very purple flower heads
    • spiny everything... leaves, stems, bracts
    • biennial - large rosette of nasty leaves in first year
    • dandelion-like fruit that flies away like the down of a thistle
    • disturbed lands... pastures, wastelands, roadsides, construction sites

  • Castilleja miniata / scarlet paintbrush

    • bright red, or orange or sometimes yellow bracts that are mistaken for flowers
    • looks like a red feather duster, but only a few inches long
    • generally low, and along streams or roadsides on hills where there is moisture
    • leaves ovoid with prominent veins, no petioles

  • Castilleja spp. / paintbrushes

    • vibrant, red (or yellow) inflorescence (bracts)
    • widespread, but confusing... five or more species in the area

  • Centaurea maculosa / spotted knapweed

    • "vibrant" pink flowers
    • dark tips on the sepals ("bud scales") - the "spotted" in the name
    • biennial - rosette of leaves in first year
    • officially a noxious weed

  • Cerastium arvense / field chickweed

    • Erect or trailing stems, if you can see them amongst the competition
    • Clusters of 1 to many white flowers with 5 deeply cleft petals
    • Petals much longer than the green sepals
    • Opposite, linear, sessile leaves - not very long
    • Cylindrical seed capsules with 10 teeth at top

  • Chamerion angustifolium / fireweed

    • bright pink flowers on tall inflorescence (raceme)
    • flowers mature from bottom to top
    • four petals
    • spiral leaf arrangement - lance-shaped leaves have smooth edges
    • pod-like seed capsule releases seeds to the wind

  • Chenopodium album / lamb’s quarters

    • green, nobbly inflorescence - many nob-like flowers
    • leaves grey-green, more or less triangular
    • leaves may feel cool to the touch
    • widespread weed, especially in disturbed habitats

  • Convulvulus arvensis / field bindweed

    • prostrate and twining vine with white "morning-glory" flowers
    • may be so dense as to choke out other plants
    • roadsides, agricultural fields, waste areas
    • "noxious" in Idaho

  • Cynoglossum officinale / houndstongue

    • reddish-purple flowers in upper leaf axils
    • forms basal rosette with hairy leaves in first year
    • stem leaves lance shaped, hairy, rough
    • fruit - small nutlets with barbs or hooks

  • Dactylis glomerata / orchardgrass

    • perennial bunchgrass
    • branched inflorescence with lowest branch well below the others
    • spikelets wedge-shaped, flattened in tight clusters
    • florets green to red/purple tinged; grey-brown when seeds mature
    • introduced and widespread, but not in wet areas

Showing 13–24 of 68 results