Onions of the Cascade Mountains of Oregon and Washington

The Genus Allium

Tapertip Onion, Hooker's Onion: Allium acuminatum (Synonym: Allium acuminatum var. acuminatum) -

Narrowleaf Onion, Slim-leaf Onion, Slim Leaf Onion: Allium amplectens (Synonym: Allium serratum) -

Potato Bulb, Bolander's Onion, Slender-stemmed Onion: Allium bolanderi var. mirabile -

Sierra Onion: Allium campanulatum -

Nodding Onion: Allium cernuum -

Scalloped Onion, Olympic Onion: Allium crenulatum (Synonyms: Allium cascadense, Allium vancouverense, Allium watsonii) -

Douglas Onion: Allium douglasii -

Sickle-leaf Onion, Sickle-leaved Onion: Allium falcifolium -

Bulbil Onion: Allium geyeri var. tenerum

Rock Onion: Allium macrum -

Nevius' Garlic, Nevius' Onion: Allium nevii (Synonym: Allium douglasii var. nevii) -

Dwarf Onion: Allium parvum -

Peninsular Onion: Allium peninsulare var. peninsulare -

Wild Chives: Allium schoenoprasum - ??

Fragile Onion, Scilla-like Onion: Allium scilloides - Approaches the east slope of the Cascades in central Washington.

Siskiyou Onion: Allium siskiyouense -

Pacific Onion, Pacific Swamp Onion, Tall Swamp Onion, Swamp Onion: Allium validum -