Room 011, Douglas Biology Building, Douglas Campus, Rutgers University. Specimens consist of algae, mosses, lichens, and vascular plants of the world, with emphasis on New Jersey. The vascular plants are geographically listed for New Jersey on filed map cards and county cards. Rare and endangered plant species of New Jersey are mapped also.
All folders reside in insect-proof steel cabinets.
The Willowwood Arboretum collection of cultivated trees and shrubs is housed here also. Approximately 625 books and pamphlets, including manuals, keys, and floras for many U.S. states and foreign countries. Loans to other institutions can be arranged through consultation with the director.