Agaricus arvensis, horse mushroom-coarse edible mushroom with a hollow stem and a broad white cap. Agaricus campestris, field mushroom, meadow mushroom-common edible mushroom found naturally in moist open soil; the cultivated mushroom of commerce.garicus campestris, field mushroom, meadow mushroom-common edible mushroom found naturally in moist open soil; the cultivated mushroom of commerce.
Summer Fun on the River ... Regional Parks presents the Russian River Festival, 31 days of outdoor adventure on Sonoma County's summer playground. Throughout July, we will be sharing all the cool ways you can explore and enjoy the Russian River.
The Russian River empties into the Pacific Ocean, like 70 miles north of the Bay. The Sacramento River and San Joaquin Rivers empty into Suisun Bay, NOT San Francisco Bay.