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Riparian areas

Plant Database
Inflorescence reddish plume like, green leaves
Spike Bentgrass
Agrostis exarata
Grass
Native
a cluster of reddish brown samaras.
Tree of Heaven
Ailanthus altissima
Invasive
A full white alder tree in a neighborhood. Tree is probably 20-30' tall with a full yet narrow canopy.
White Alder
Alnus rhombifolia
Native
a young branch of red alder green leaves are pinnately veined, obtuse to elliptic in shape
Red Alder
Alnus rubra
Native
Tall spire of smaller purple flowers with yellow and white stamen
Indigo Bush
Amorpha fruticosa
Invasive
a patch of mugwort with thin leaved green foliage along upright non-woody stems
Douglas’ Sagewort
Artemisia douglasiana
Native
Field of tall stalks of long skinny leaves
Giant Reed
Arundo donax
Grass
Invasive
loosely arranged compound leaves of lady fern with deeply dissected leaflets
Lady Fern
Athyrium filix-femina
Native
tapering spikes of purple flowers thrust out from lance shaped leaves
Butterfly Bush
Buddleja davidii
Invasive
Cluster of small white and pink flowers
Flowering Rush
Butomus umbellatus
Invasive
the spike of showy white star shaped flowers
Great White Camas
Camassia leichtlinii ssp leichtlinii
Native
a spike of star shaped purple camas flowers
Great Purple Camas
Camassia leichtlinii ssp suksdorfii
Native
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