Three-cornered Garlic, Allium triquetrum and Few-flowered Garlic, Allium paradoxum | Jeremy Bartlett's LET IT GROW blog
Wild Onion Lily (Allium triquetrum are easy to forage all over the city right now! All parts of the plant are edible, including the blossoms! : r/Sacramento
Allium triquetrum - Wikipedia
All about Three Cornered Leek - Wild Walks Southwest
Three-Cornered Leek - Allium triquetrum - Invasive Species Control