Asters in the Cascade Mountains of Oregon and Washington

Many Genera: Canadanthus, Eurybia, Eucephalus, Symphyotrichum

Few-flowered Aster, Great Northern Aster, Tall Northern Aster, Giant Mountain Aster: Canadanthus modeutus (Synonyms: Aster major, Aster modestus, Aster modestus var. major, Aster sayianus, Aster unalaschensis, Aster unalaschensis var. major, Weberaster modestus) -

Brewer's Aster: Eucephalus breweri (Synonyms: Aster breweri, Chrysopsis breweri) -

Engelmann's Aster: Eucephalus engelmannii (Synonym: Aster engelmannii) -

Klickitat Aster: Eucephalus glaucescens (Synonyms: Aster engelmannii var. glaucescens, Aster glaucescens) -

Gorman's Aster: Eucephalus gormanii (Synonym: Aster gormanii) -

Cascade Aster: Eucephalus ledophyllus (Synonyms: Aster ledophyllus, Aster ledophyllus var. covillei, Aster ledophyllus var. ledophyllus, Eucephalus ledophyllus var. covillei, Eucephalus ledophyllus var. ledophyllus) -

Hairy Rayless Aster: Eucephalus tomentellus (Synonyms: Aster brickellioides var. brickellioides, Aster eastwoodiae, Eucephalus brickellioides, Aster brickellioides, Aster tomentellus) -

Wayside Aster: Eucephalus vialis (Synonym: Aster vialis) -

Thick-stemmed Aster, Entire-leaved Aster: Eurybia integrifolia (Synonym: Aster integrifolius) -

Arctic Aster: Siberian Aster: Eurybia merita (Synonyms: Aster meritus, Aster sibiricus, Aster sibiricus var. meritus)

Rough-leaved Aster: Eurybia radulina (Synonym: Aster radulinus) -

Alpine Aster: Oreostemma alpigenum var. alpigenum (Synonyms: Aster alpigenus, Aster alpigenus ssp. alpigenus, Aster alpigenus var. alpigenus, Haplopappus alpigenus -

Anderson's Aster: Oreostemma alpigenum var. andersonii (Synonyms: Aster alpigenus ssp. andersonii, Aster alpigenus var. andersonii ) -

Hayden's Aster: Oreostemma alpigenum var. haydenii (Synonyms: Aster alpigenus ssp. haydenii, Aster alpigenus var. haydenii )

Long-leaved Aster: Symphyotrichum ascendens (Synonyms: Aster ascendens, Aster adscendens, Aster chilensis ssp. adscendens, Aster chilensis ssp. ascendens, Aster chilensis) -

Northern Bog Aster, Rush Aster: Symphyotrichum boreale (formerly Aster junciformis) -

Eaton's Aster, Oregon Aster: Symphyotrichum bracteolatum (Synonyms: Aster bracteolatus, Aster eatonii, Symphyotrichum eatonii) -

Western Meadow Aster: Symphyotrichum campestre (Synonyms: Aster campestris, Aster campestris var. bloomeri, Aster campestris var. campestris) -

Cusick's Aster: Symphyotrichum cusickii (Synonyms: Aster cusickii, Aster foliaceus var. lyallii, Aster foliaceus var. cusickii, Aster foliaceus) -

Tufted Whate Prairie Aster, Little Gray Aster: Symphyotrichum ericoides var. pansum (Synonyms: Aster pansus, Aster falcatus var. crassulus, Aster ericoides var. pansus, Aster falcatus, Aster ericoides)

Alpine Leafybract Aster, Alpine Leafy Aster, Leafy Aster, Leafy-bractAster: Symphyotrichum foliaceum var. apricum (Synonym: Aster foliaceus var. apricus) -

Alpine Leafybract Aster, Leafy Aster, Leafy Bract Aster: Symphyotrichum foliaceum var. foliaceum (Synonyms: Aster foliaceus var. foliaceus, Aster foliaceus var. sublinearis) -

Leafy Aster, Leafybract Aster, Parry's Aster: Symphyotrichum foliaceum var. parryi (Synonyms: Aster foliaceus var. frondeus, Aster foliaceus var. canbyi, Aster foliaceus var. parryi) -

Alkali Aster, Short-rayed Aster: Symphyotrichum frondosum (Synonyms: Aster frondosus, Brachyactis frondosa) -

Hall's Aster: Symphyotrichum hallii (Synonyms: Aster chilensis, Aster chilensis ssp. hallii, Aster hallii) -

Western Willow Aster, Marsh Aster:Symphyotrichum lanceolatum var. hesperium (Synonyms: Aster hesperius, Aster lanceolatus, Aster lanceolatus ssp. hesperius, Symphyotrichum lanceolatum ssp. hesperium) -

Western Aster, Western Mountain Aster: Symphyotrichum spathulatum var. spathulatum (Synonyms: Aster occidentalis var. fremontii, Aster occidentalis var. occidentalis, Aster spathulatus var. spathulatus) -

Western Bog Aster: Symphyotrichum spathulatum var. yosemitanum (Synonyms: Aster occidentalis var. yosemitanus, Aster paludicola) -

Douglas' Aster: Symphyotrichum subspicatum (Synonyms: Aster subspicatus, Aster subspicatus var. grayi, Aster subspicatus var. subspicatus, Symphyotrichum subspicatum var. grayi, Symphyotrichum subspicatum var. subspicatum) -