The type collection from North America comprises nearly 3,000 specimens. Most of the type specimens are types of species collected in Mexico (1620 types), United States (excluding Hawaii) (860), and Canada (300), but includes also types from Greenland and Bermuda.
Number of type specimens per country of origin from North America
There are types of more than 2500 species, belonging to almost 810 genera and 160 families. The families with the largest number of type specimens among the North American type collections are Asteraceae (480 types), Poaceae (250), Fabaceae (165), Rosaceae (100), Euphorbiaceae (95), and Cyperaceae (85).
Number of type specimens per family from North America. Only the ten families with the highest number of specimens are shown.
The most representative genera (in number of specimens) are Salix (70 types), Carex (60), Poa (50), Crataegus (45) and Antennaria (40).
Number of type specimens per genera from the type collections of North America. Only the ten genera with the highest number of specimens are shown.
Among the type collections from North America there are almost 400 different collectors listed. The most representative collector among the North America type collections is Cyrus Pringle with almost 950 types collected mainly in Mexico but also in United States. Another representative collector for North America in our collections are Edward Palmer with almost a hundred types, George B. Hinton and
colleagues with 90 types and also George Gaumer (75 types), Cyrus Lundell (65), and Eugène Bourgeau (65).
Number of type specimens from North America per collector. Only collectors with more than 40 types are shown.