non-native

Showing 25–36 of 55 results

  • Lactuca serriola / prickly lettuce

    • numerous dime-sized yellow flowers in an "airy" panicle
    • buds droop or hang in a "shepherd's hook" before opening
    • seed heads are dandelion-like, but more delicate
    • highly divided, prickly leaves
    • mostly in "waste" areas

  • Leucanthemum vulgare / oxeye daisy

    • bright, white "petals", 2-3" across; yellow centers
    • s/he loves me, s/he loves me not
    • glossy green, spoon-shaped leaves in a 2 foot dome
    • may form large colonies
    • potentially wide spread

  • Linaria vulgaris / yellow toadflax

    • fine, threadlike leaves, plants up to 3 feet tall
    • flowers similar to snapdragon, pale yellow with orange lower lip, long spur
    • flowers in tight terminal clusters
    • plants typically in patches
    • "noxious" weed in Idaho

  • Lotus corniculatus / birds-foot trefoil

    • roadsides and other disturbed areas
    • numerous bright yellow, pea-like flowers
    • three, oval and pointed leaflets
    • seed pods are arranged like toes on a bird's foot

  • Malva neglecta / cheeseweed

    • leaves look like grocery store geraniums (Pelargonium)
    • flowers are small, pink-ish and often buried in the foliage
    • fruits are small (ca. 1/2 in) and round

  • Medicago lupulina / black medic

    • prostrate, long creeping stems
    • compound leaves with 3 small, rounded leaflets
    • teeny yellow flowers in very small button-like clusters
    • disturbed areas with compacted soil - roadsides & wastelands

  • Medicago sativa / alfalfa

    • escaped forage plant
    • bright purple flowers in dense clusters
    • pea-like flowers with broad upper petal, 2 small laterals, keel
    • compound leaves with 3 leaflets, the central one extended on a short stalk
    • disturbed sites - roadsides, full sun

  • Melilotus spp / sweetclover

    • yellow or white, floppy, tubular flowers in long-ish clusters (racemes)
    • 3 small, pointy leaflets with petioles
    • rangy, unkempt branching
    • roadsides, waste places and sometimes in fields, grasslands

  • Nasturtium officinale / watercress

    • emergent aquatic in slow-ish flowing steams
    • four petaled white flowers in clusters
    • thick, shiny leaves
    • often in dense colonies

  • Onobrychis viciifolia / sainfoin

    • forage legume, taller than alfalfa
    • pink pea-like flowers with striped banner petal and darker keel
    • spiky inflorescence (a raceme) blooming from bottom up - up to 50 flowers
    • pinnately compound leaves with single terminal leaflet
    • naturalized with sagebrush and mountain shrubs, but also in the central Valley

  • Oxybasis glauca / oak-leaved goosefoot

    • typically prostrate and small, apart from other plants
    • mudflats and other drying wet areas
    • small, blue-green, small-lobed leaves; often w/ reddish stems
    • teeny clusters of teeny yellow flowers
    • leaves feel cool and damp due to glandular hairs on lower surface

  • Phalaris arundinacea / reed canarygrass

    • large, coarse, erect grass
    • long, flat blades with pointy tips...  from base
    • distinct ligule—membranous and long
    • large but compact inflorescences (panicles)
    • often in dense monocultures, e.g. on river banks

Showing 25–36 of 55 results