Classified for credit

Urban national wildlife refuge visitor center with exhibits and trails covering Pacific flyway migratory birds and Tualatin River watershed ecology.

Oregon state park on the Deschutes River with ranger programs, riparian habitat, and high-desert ecology — supports biology, geography, and outdoor PE.

Oregon coast state park adjacent to a historic lighthouse and coastal dunes — supports Pacific dune ecology study and lighthouse history.

Federal wildlife refuge on Upper Klamath Lake — waterfowl ecology, migratory bird biology, and Pacific Flyway geography.

Oregon state park along the Rogue River — riparian ecology, geology, and outdoor physical education with developed facilities.

Oregon NWR featuring restored wetlands and upland habitats — supports study of wetland restoration, migratory waterfowl, and Pacific Flyway ecology.

Oregon state park featuring a dramatic basalt canyon waterfall on the White River — supports Pacific Northwest geology, volcanic landform study, and riparian ecology.

Wolf sanctuary on the Oregon Coast Range — covers wolf behavior, predator-prey ecology, and wildlife conservation programs.

Oregon state park on the Willamette River floodplain — covers riparian ecology and the history of the first Protestant mission in the Pacific Northwest.

National Wildlife Refuge headquarters offering self-guided wildlife observation of Willamette Valley wetlands, native birds, and grassland habitats.

Federal wildlife refuge in the Willamette Valley managed for migratory waterfowl and native grassland — covers bird ecology and habitat restoration.

Living bamboo grove within Hoyt Arboretum — plant biology, invasive-species study, and Pacific Rim botany.

Small Hermiston, OR botanical garden — Pacific Northwest plants and short walking paths.

Municipal rose garden with labeled cultivars — plant taxonomy, horticulture, and pollinator biology in a managed outdoor setting.

Small state natural site preserving a wild Darlingtonia (cobra lily) bog — botany, carnivorous plant adaptations, and wetland ecology.

Small municipal arboretum with labeled native and ornamental plantings — plant taxonomy, horticulture, and Pacific Northwest flora.

Educational garden at River Forks Park with native plantings and interpretive signage — covers plant ecology, native species identification, and watershed stewardship.

City park lilac collection with dozens of labeled cultivars — supports basic botany, plant identification, and horticultural study in an urban setting.

Oregon state park campground along the Columbia River — supports riparian ecology observation and outdoor PE with minimal developed exhibits.

Municipal rose garden with labeled species plantings — plant taxonomy, horticulture, and basic botany in an accessible park setting.

Municipal rose garden in Corvallis featuring labeled cultivars — supports basic botany, plant taxonomy, and horticultural science observation.

Outdoor wetlands interpretive exhibit in Eugene covering freshwater ecology, native plants, and wetland hydrology.