Herbarium of Cultivated Plants Statistics

Herbarium of Cultivated Plants Statistics

As of January 2018, the Herbarium of Cultivated Plants comprised 122,297 specimens. This collection contains vouchers collected from non-Arnold Arboretum (AA) sources, spontaneous flora, as well as accessions that grow or once grew in the living collections (Table 1).

Currently, 49,776 voucher specimens (41% of total) document the historic as well as extant living collections.  And, of 10,868 extant accessions in the living collection, forty-five percent (4,970) are supported by at least 1 voucher specimen.

Table 1. Priority* and Largest Genera (n=35,584, or 27% of total) housed in the Arnold Arboretum’s Herbarium of Cultivated Plants as of January 2016.
Genera Number of AA Specimens Number of Non-AA Specimens
Acer* 2,362 2,135
Carya* 346 131
Crataegus 4,433 1,065
Fagus* 313 225
Lonicera 1,386 1,302
Malus 1,304 815
Prunus 1,973 2,677
Rhododendron 1,314 2,209
Rosa 1,595 2,323
Salix 1,823 1,470
Stewartia* 214 124
Syringa* 1,215 612
Tsuga* 236 102
Viburnum 1,044 836

*Plant Collections Network Genera