Wood -grass type on hillside 1 mile NW of Igo. Trees chiefly digger pine- Douglas fir- interior live oak; grass of Bromus hordeaceus and Vulpia myuros (=Festuca megalura); Arctostaphylos viscida in understory and in foreground., T 31 N R 6 W Sec 28 Quad name: Weaverville. Quad number: 24. Reference to map: 3.
Wood-grass type 2 miles W of Igo. Wood of Digger pine- Douglas fir- interior live oak; grass of Bromus hordeaceus; understory of Arctostaphylos viscida and Toxicodendrondiversilobum (=Rhus diversiloba), T 31 N R 6 W Sec 32 Quad name: Weaverville. Quad number: 24. Reference to map: 1.