| Sawyer Jr., John O. | 1995 | "Dynamics of the Quercus Wislizenii Forest and Shrubland in the San Bernadino Mountains, California" in Madroño |
| Sawyer Jr., John O. | 1993 | "New Combinations in Rhamnus (Rhamnaceae)" in Madroño |
| Sawyer Jr., John O. | 1992 | "Canopy Status and Tree Condition of Young, Mature, and Old-Growth Douglas-Fir/Hardwood Forests" in Biodiversity of Northwestern California |
| Sawyer Jr., John O. | 1992 | Botanical Survey of the Crescent City Marsh Wildlife Area (Unpublished Report) |
| Sawyer Jr., John O. | 1991 | "Distinctive Features and Definitions of Young, Mature, and Old-Growth Douglas-Fir/Hardwood Forests" in Wildlife and Vegetation of Unmanaged Douglas-Fir Forests |
| Sawyer Jr., John O. | 1990 | "Forest Habitat Types of the South Warner Mountains, Modoc County, California" in Madroño |
| Sawyer Jr., John O. | 1989 | Baseline Monitoring of Efforts to Eradicate Spartina Alterniflora in Humboldt Bay, California (Unpublished Report) |
| Sawyer Jr., John O. | 1988 | "Volume and mass of decaying logs in an upland old-growth redwood forest" in Canadian Journal of Forest Research |
| Sawyer Jr., John O. | 1988 | "Endemic Vascular Plants of Northwestern California and Southwestern Oregon" in Madroño |
| Sawyer Jr., John O. | 1987 | Checklist of the Families and Genera of Vascular Plants of California |
| Sawyer Jr., John O. | 1987 | "The problem of the Salmon Mountains" in Conservation and management of rare and endangered plants |
| Sawyer Jr., John O. | 1987 | Operations and Maintenance Schedule. Report I: Inventory and Description (Unpublished Report) |
| Sawyer Jr., John O. | 1986 | Field Survey of Stary Ranch, Del Norte County, California |
| Sawyer Jr., John O. | 1986 | Field Survey of Malarkey Forest, Del Norte County, California |
| Sawyer Jr., John O. | 1986 | "Darlingtonia seeps" in Fremontia |
| Sawyer Jr., John O. | 1986 | "Grassland as compared to adjacent Quercus garryana woodland understories exposed to different grazing regimes" in Madroño |
| Sawyer Jr., John O. | 1982 | "Noteworthy collections, California: Abies lasiocarpa (Hook.) Nuttall" in Madroño |
| Sawyer Jr., John O. | 1981 | An Ecological Survey of the Proposed Adorni Candidate Research Natural Area, Humboldt County, California (Unpublished Report) |
| Sawyer Jr., John O. | 1981 | An Ecological Survey of the North Trinity Mountain Candidate Research Natural Area, Humboldt County, California (Unpublished Report) |
| Sawyer Jr., John O. | 1981 | Keys to the Families and Genera of Vascular Plants in Northwest California |