riparian

  • Erythranthe guttata / seep monkeyflower

    Erythranthe guttata / seep monkeyflower

    • yellow flowers with red spots in clumps of 5 or more
    • flowers large for the plant, but otherwise "normal" size
    • two "lips" - lower lip larger than upper, each with 2 petals
    • found in wetlands of all kinds
  • Galium borealis / northern bedstraw

    Galium borealis / northern bedstraw

    • teeny 4-petaled white flowers in small to large clusters
    • two pairs of opposite leaves in a whorl around the stem
    • linear leaves - like rosemary
    • smooth stems... not hairy or sticky like other bedstraws
  • Geum macrophyllum / largeleaf avens

    Geum macrophyllum / largeleaf avens

    • yellow, 5-petaled flowers; not glossy
    • many long styles in green center
    • fruits look like little marbles covered with red velcro
    • fruits and flowers present at the same time
    • deeply divided, sessile leaves on flowering stems
  • Heracleum maximum / cow parsnip

    Heracleum maximum / cow parsnip

    • very tall - stands above most other herbs and forbs
    • huge leaves with clasping sheaths at the stem junction
    • leaves lobed and like a very large maple
    • huge flat umbels with white flowers
    • grooved, woolly, stout stem
  • Hypericum perforatum / St. John's wort

    Hypericum perforatum / St. John’s wort

    • bright yellow, 5-petaled flowers
    • many stamens sticking out every which way
    • sizable black and/or white glands on leaves and petals
    • waist high and grows in large colonies (invasive)
    • not (yet) seen west of the Tetons
  • Iris missouriensis / western blue flag iris

    Iris missouriensis / western blue flag iris

    • wetland monocot - long leaves, parallel veins
    • large blue flower with yellow "signal" stripe, purple veins
    • 3 petals, 3 sepals make up the flower
    • blooms in spring
    • "like a domestic iris on a diet"
  • Lonicera involucrata / twinberry honeysuckle

    Lonicera involucrata / twinberry honeysuckle

    • flowers - inconspicuous, paired, yellow, bell-shaped with green bracts
    • leaves - opposite, oval, often hairy beneath
    • fruit - a pair of blue-black/purple berries with red, winglike bracts
    • multi-stemmed shrub - to 15 feet tall
  • Maianthemum racemosum / Solomon's plume

    Maianthemum racemosum / Solomon’s plume

    • "feathery" inflorescence - panicle
    • 6 white tepals on teeny flowers
    • long-blooming in late spring, sometimes into summer
    • green berries --> red as they ripen
    • alternate, clasping leaves on erect stems
  • Oenothera villosa / hairy evening primrose

    Oenothera villosa / hairy evening primrose

    • yellow flowers on tall stalks, several flowers in a cluster
    • 4 petals; 8 stamens; large, 4 part stigma
    • hairy - often reddish -  stems; hairy leaves
    • lance-shaped leaves, larger on stem than basal
    • disturbed areas and stream banks
  • Packera pseudaurea / falsegold groundsel

    Packera pseudaurea / falsegold groundsel

    • yellow, flat-topped cluster of daisy-like flowers
    • oval, erect basal leaves with long petioles and round/blunt-toothed edges
    • generally in moist to wet habitats
  • Persicaria amphibia / water smartweed

    Persicaria amphibia / water smartweed

    • shocking pink flower clusters
    • oval, leathery leaves
    • either submerged or on stream or pond banks
  • Phalaris arundinacea / reed canarygrass

    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