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Plant Database
Stem with ball cluster of unopened flowers
Biddy-Biddy
Acaena novae-zelandiae
Invasive
Inflorescence reddish plume like, green leaves
Spike Bentgrass
Agrostis exarata
Grass
Native
a cluster of reddish brown samaras.
Tree of Heaven
Ailanthus altissima
Invasive
curled flower with white hairs and orange petals
Menzies’ Fiddleneck
Amsinckia menziesii var. intermedia
Native
a cluster of small white many-petaled disk and ray flowers with yellow centers
Pearly Everlasting
Anaphalis margaritacea
Native
field of oats
Common Oats
Avena sativa
Grass
close up leaf edges
False Brome
Brachypodium sylvaticum
Grass
Invasive
close up of California brome inflorescence seed heads ranging from tan to red
California Brome
Bromus carinatus
Grass
Native
a patch of Columbia brome in a forest understory with spikelets stalked
Columbia Brome
Bromus vulgaris
Grass
Native
tapering spikes of purple flowers thrust out from lance shaped leaves
Butterfly Bush
Buddleja davidii
Invasive
Italian Thistle Carduus pycnocephalus Stalk with long spiky leaves and green spiky unopened flower pod
Italian Thistle
Carduus pycnocephalus
Invasive
an attractive evergreen shrub; low growing with clusters of white flowers at tips.
Snowbrush
Ceanothus velutinus
Native
Slender stalks with flower buds opening up to whispy purple thin petalled flowers. Bracts have dark tips.
Spotted Knapweed
Centaurea stoebe
Invasive
Mound of green grass blades with spires of tall poofy seed stalks
Pampas or Jubata Grass
Cortaderia spp.
Grass
Invasive
Close up of small yellow flowers
Scotch Broom
Cytisus scoparius
Invasive
White furred legume family seed pods
Portuguese Broom
Cytisus striatus
Invasive
Small plant with alternate stems of purple showy flowers
Paterson’s Curse
Echium plantagineum
Invasive
Stemps with small white bell shaped flowers
Spanish Heath
Erica lusitanica
Invasive
Side view of typical carrot family flower umbels with yellow flowers.
Fennel
Foeniculum vulgare
Invasive
Tall green shrub with small green leaves
French Broom
Genista monspessulana
Invasive
Shiny Geranium
Geranium lucidum
Invasive
small five-petaled pink flower above fern like foliage
Herb Robert
Geranium robertianum
Invasive
Giant Hogweed Heracleum mantegazzianum Huge palm like leaf with jagged edges
Giant Hogweed
Heracleum mantegazzianum
Invasive
Close up of several yellow 5 petaled flowers
St. Johnswort
Hypericum perforatum
Invasive
Single flower with white petals and yellow center
Oxeye Daisy
Leucanthemum vulgare
Invasive
Small yellow flower
Large-Flower Primrose Willow
Ludwigia grandiflora ssp. grandiflora
Invasive
Juvenile Ludwigia leaves are spatulate in shape and star-shaped in arrangement.
Six-Petal Water Primrose
Ludwigia grandiflora ssp. hexapetala
Invasive
Floating Primrose-willow Ludwigia peploides Large floating mat of long slender green leaves and small yellow flowers
Floating Primrose-Willow
Ludwigia peploides
Invasive
bright yellow flower with a magenta center
Showy Tarweed
Madia elegans
Native
close up photo of a yellow flower
Slender Tarweed
Madia gracilis
Native
Evergreen Bugloss Pentaglottis sempervirens Small blue 5 pedalled flower on tear dropped shaped hairy leaves
Evergreen Bugloss
Pentaglottis sempervirens
Invasive
Large green shrub
Mile-a-Minute
Persicaria perfoliata
Invasive
Intersection of stem and long slender leaves
Common Reed
Phragmites australis ssp. australis
Grass
Invasive
Pokeweed Phytolacca americana Several small blue/purple berries on red stalk
Pokeweed
Phytolacca americana
Invasive
a stand of tall thin closely packed trees
Quaking Aspen
Populus tremuloides
Native
Small yellow flowers with 5 heart shaped petals
Sulfur Cinquefoil
Potentilla recta
Invasive
clusters of small white flowers will become small fruits
Chokecherry
Prunus virginiana
Native
Stalk with spire of open and unopened purple flowers
Kudzu
Pueraria lobata
Invasive
Pacific Rhododendron Rhododendron macrophyllum Stem with large glossy leaves and a cluster of small pinkish flowers
Pacific Rhododendron
Rhododendron macrophyllum
Native
Red flowering currant Ribes sanguineum Stem with green palmate leaves and cluster of pink bell shaped flowers
Red-Flowering Currant
Ribes sanguineum
Native
Spiky Branch with stems with 5 palmate leaflets
Himalayan Blackberry
Rubus bifrons
Invasive
Stem with spikes, many green comound leaflets with red and blue berries
Cut-leaf Blackberry
Rubus laciniatus
Invasive
a ripe black raspberry and a red unripe raspberry. Opposite leaves are deeply veined and toothed.
Blackcap Raspberry
Rubus leucodermis
Native
Salmonberry Rubus spectabilis Bright purple 5 petalled flower
Salmonberry
Rubus spectabilis
Native
Several small pink flowers on spiky branch with spiky leaves
European Blackberry
Rubus vestitus
Invasive
A shrubby multi-stemmed willow bush.
Scouler’s Willow
Salix scouleriana
Native
Blue Elderberry Sambucus caerulea Medium Tree with long green opposite leaves
Red Elderberry
Sambucus racemosa
Native
Milk Thistle Silybum marianum Purple tuft on top of spiky small leaved stalk
Milk Thistle
Silybum marianum
Invasive
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