Native Plant Trust: - Founded in 1900 as the Society for the Protection of Native Plants, the Native Plant Trust is the nation's oldest plant conservation organization and a recognized leader in native plant conservation, horticulture, and education. The Society's headquarters, Garden in the Woods, is a renowned native plant botanic garden in Framingham, Massachusetts, that attracts visitors from all over the world. From this base, 25 staff and more than 700 volunteers work throughout New England to monitor and protect rare and endangered plants, collect and preserve seeds to ensure biological diversity, detect and control invasive species, conduct research, and offer a range of educational programs.