Mounted herbarium specimens: most notable collection is the herbarium of Margaret Stovin assembled between 1798 and 1850. Comprises two major sections – British wild species (20 volumes) and planted exotics (10 volumes) collected from the major houses of the period. Other named herbaria include the Rob, Hill and Chisholm collections amounting to some 29 wallets of material. Thomas 2 volume collection of British grasses.
Packeted specimens: a few hundred packeted bryophytes and lichens all local.
Boxed specimens: large collection of Eucalyptus seeds transferred from Darlington.
Other seeds and commercial wood specimens.