The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2008)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2006)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2006)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2006)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2006)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2006)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2006)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2007)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2007)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2007)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2007)