• Private Independent Foundations

• 1.

John F and Dorothy Knippenberg Charitable Trust

Where nature and people come together Visit our website, laurelwoodarboretum.

• Botanical Gardens, Arboreta and Botanical Organizations

• 2.

Wegner Arboretum Society

Our Mission: "To nurture connections between plants, people, past and present, in an inspiring natural setting that invites discovery.

Pine Hollow Arboretum

The Pine Hollow Arboretum (PHA) is a 22-acre free public arboretum open 365 days from dawn until dusk The Pine Hollow Arboretum’s mission is to preserve, manage and enhance native and introduced species of trees, shrubs and other plants in a natural and aesthetic environment.

• Environmental Education and Outdoor Survival Programs

• 4.

Forest for Learning

The Forest for Learning protects and conserves the environmental and ecological integrity of the Putney Central School Forest and to foster educational programming in forest ecology, stewardship and sustainability.

• Environmental Quality Protection and Beautification N.E.C.

• 5.

We Plant It Forward Inc

We preserve and restore the natural environment for the benefit of future generations through hands-on activities, community engagement, and environmental education bringing harmony to all life We preserve and restore the natural environment for the benefit of future generations through hands-on activities, community engagement, and environmental education bringing harmony to all life.

• Human Service Organizations

• 6.

The Community Canopy Project

We're a non-profit seeking to restore native plants and improve our local environment and ecology.

Arlington Regional Master Naturalists

Arlington Regional Master Naturalists are trained volunteers who work to restore and maintain healthy ecosystems in our fragmented public lands.

• Single Organization Support

• 8.

Friends of the Arboretum

Restoring land & enriching lives – 1,200 acres of nature for science & community.

• Natural Resource Conservation and Protection

• 9.

EVERGREEN HERITAGE CENTER FOUNDATIO

A farm for conservation, education, and preservation in the heart of Allegany County, MD.