Vascular Plants of Horse Mountain (Humboldt County, California), James P. Smith Jr, John O. Sawyer Jr.
Botanical Studies

Checklist of the Vascular Plants of the Trinity Alps, James P. Smith Jr, John O. Sawyer Jr.
Botanical Studies

A Checklist of the Vascular Plants of Scott Mountain, James P. Smith Jr, John O. Sawyer Jr.
Botanical Studies

Vascular Plants of the Stony Creek Bog Area Del Norte County, California, James P. Smith Jr, John O. Sawyer Jr.
Botanical Studies

Vascular Plants of the Scott Mountain Campground Area Trinity and Siskiyou Counties, California, James P. Smith Jr, John O. Sawyer Jr.
Botanical Studies

Vascular Plants of the Horse Mountain Serpentines Humboldt County, California, James P. Smith Jr, John O. Sawyer Jr.
Botanical Studies

Vascular Plants of the Russian Peak Area Siskiyou County, California, James P. Smith Jr, John O. Sawyer Jr.
Botanical Studies