PlantQuest Species List for Skagit County, Washington

Scientific Name
(* = Introduced)		 Family Common Name Habitat Bloom Period
Acer pseudoplatanus * Sapindaceae sycamore maple disturbed areas Apr, May
Agoseris glauca var. dasycephala Asteraceae pale goat-chicory; pale agoseris
Agrostis idahoensis Poaceae Idaho bentgrass eastern forest; subalpine or alpine; freshwater Jun, Jul, Aug
Alisma plantago-aquatica * Alismataceae European water plantain freshwater Jun, Jul, Aug, Sep
Arnica rydbergii Asteraceae Rydberg's arnica; subalpine arnica; subalpine leopardbane subalpine or alpine Jun, Jul, Aug, Sep
Betula occidentalis Betulaceae red birch; river birch; water birch eastern forest; subalpine or alpine; freshwater Mar, Apr, May, Jun, Nov-Feb
Boechera divaricarpa Brassicaceae spreading-pod rockcress eastern forest; subalpine or alpine Jun, Jul, Aug
Boykinia occidentalis Saxifragaceae coastal brookfoam western forest Jun, Jul, Aug
Cardamine pensylvanica Brassicaceae Pennsylvania bittercress; quaker bittercress western forest; eastern forest; freshwater Apr, May, Jun, Jul
Carex feta Cyperaceae green-sheath sedge freshwater May, Jun, Jul
Carex nardina Cyperaceae spikenard sedge subalpine or alpine Jun, Jul, Aug
Carex pauciflora Cyperaceae few-flowered sedge freshwater Jun, Jul
Cerastium fontanum ssp. vulgare * Caryophyllaceae common chickweed; mouse-ear chickweed Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
Clematis vitalba * Ranunculaceae evergreen clematis; old-man's beard; traveler's-joy western forest; disturbed areas Jun, Jul, Aug, Sep
Dendrolycopodium dendroideum Lycopodiaceae prickly tree clubmoss; tree ground-pine western forest [no flowers]
Draba praealta Brassicaceae tall whitlow-grass subalpine or alpine Jun, Jul, Aug
Erigeron compositus Asteraceae cutleaf daisy; dwarf mountain fleabane; fernleaf fleabane; trifid mountain fleabane subalpine or alpine; shrub-steppe May, Jun, Jul, Aug
Erythranthe tilingii Phrymaceae veronica-leaved monkey-flower subalpine or alpine; freshwater Jul, Aug, Sep
Erythronium montanum Liliaceae avalanche-lily; white avalanche-lily western forest; eastern forest; subalpine or alpine Jun, Jul, Aug
Ficaria verna * Ranunculaceae lesser celandine western forest; disturbed areas Apr, May
Galium odoratum * Rubiaceae sweet-scented bedstraw western forest; disturbed areas May, Jun, Jul
Glyceria borealis Poaceae small floating mannagrass freshwater May, Jun, Jul, Aug, Sep, Oct
Hieracium lachenalii * Asteraceae common hawkweed; English hawkweed; European hawkweed western forest; freshwater; disturbed areas Jun, Jul, Aug
Hieracium scouleri Asteraceae hound-tongue hawkweed; Scouler's hawkweed western forest; eastern forest; prairie or bald Jun, Jul, Aug
Isoetes tenella Isoetaceae bristle-like quillwort; spiny spored quillwort freshwater [no flowers]
Juncus bulbosus * Juncaceae bulbous rush; spreading rush freshwater Jul, Aug, Sep
Juncus filiformis Juncaceae thread rush freshwater Jun, Jul, Aug
Lobelia dortmanna Campanulaceae water lobelia freshwater Jun, Jul, Aug
Ludwigia palustris Onagraceae marsh primrose-willow; water purslane freshwater Jul, Aug, Sep
Lupinus lepidus var. lobbii Fabaceae subalpine or alpine Jun, Jul, Aug
Lupinus rivularis Fabaceae stream bank lupine; river bank lupine prairie or bald; freshwater Apr, May, Jun, Jul, Aug, Sep
Myriophyllum hippuroides Haloragaceae western milfoil; western water milfoil freshwater May, Jun, Jul, Aug, Sep, Oct
Myriopteris gracillima Pteridaceae lace lip fern eastern forest; subalpine or alpine; prairie or bald; shrub-steppe [no flowers]
Persicaria hydropiper * Polygonaceae smartweed; mild water-pepper freshwater Jul, Aug, Sep
Phragmites australis Poaceae common reed freshwater; disturbed areas Jul, Aug, Sep
Phragmites australis ssp. australis * Poaceae common reed
Pinus albicaulis Pinaceae white-bark pine subalpine or alpine [no flowers]
Poa cusickii ssp. epilis Poaceae skyline bluegrass subalpine or alpine Jun, Jul, Aug
Poa trivialis * Poaceae rough-stalk bluegrass eastern forest; prairie or bald; disturbed areas May, Jun, Jul
Polystichum lemmonii Dryopteridaceae Lemmon's holly fern; Shasta fern western forest; eastern forest [no flowers]
Potamogeton alpinus Potamogetonaceae northern pondweed; reddish pondweed freshwater Jun, Jul, Aug
Rosa rugosa * Rosaceae rugosa rose saltwater shores; disturbed areas Jun, Jul, Aug, Sep
Rubus pensilvanicus * Rosaceae Pennsylvania blackberry western forest; disturbed areas May, Jun, Jul
Schedonorus pratensis * Poaceae meadow fescue; meadow rye grass prairie or bald; disturbed areas May, Jun, Jul
Schoenoplectus americanus Cyperaceae American three-square bulrush; Olney's three-square bulrush freshwater; saltwater shores Jun, Jul, Aug
Stellaria graminea * Caryophyllaceae grass-leaf starwort disturbed areas May, Jun, Jul
Veronica filiformis * Plantaginaceae thread-stalk speedwell disturbed areas Apr, May, Jun

Generated on 2025-03-15.   Data from Consortium of PNW Herbaria and Burke Herbarium Image Collection.

More information on the PlantQuest Image Project can be found at https://burkeherbarium.org/imagecollection/plantquest.php.