LOS ANGELES--(BUSINESS WIRE)--Smallhold, leaders in organic specialty mushrooms, announced today that their California-grown mushrooms are hitting shelves at 192 Sprouts Farmers Markets locations across California, Arizona, and Nevada. The expansion with Sprouts significantly increases availability of Smallhold's highly coveted fresh mushrooms on the West Coast, joining top retailers including Whole Foods Market, Erewhon, Pavilions, Lassen's, Imperfect Foods, Mother's Market, and Ralphs. With e