disturbed

Showing 49–60 of 101 results

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
Hyocyamus niger / black henbane
- highly toxic! including contact dermatitis
- 5-lobed, funnel-shaped flowers, brownish yellow with purple veins and center; 1.5" across
- flowers in summer, e.g. warm June, July
- elliptical leaves, pointy tips, toothed or lobed margins, prominent veins
- highly disturbed areas: wastelands, field edges etc.
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
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
Linum lewisii / wild blue flax
- intense blue, 5-petaled flowers
- red-ish or darker blue veins in petals
- buds, flowers and developing fruit present at same time
- narrow, sessile, 1 inch (ish) leaves
- especially on roadsides and in meadows in the Valley
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
Madia glomerata / mountain tarweed
- stems, leaves, flowers - strongly aromatic, like tar
- sticky glandular hairs cover foliage and floral bracts
- flowers in clusters with 1 to 3 yellow ray florets
- disk florets retain visible petals; black stamens
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