The 48,600 specimens document the distribution and natural variation of vascular plants and bryophytes, primarily from Kansas, adjacent states, and North America. Ca. 3,000 specimens are backlogged, mostly from North America but also ca. 500 from Madagascar and many hundreds of bryophytes. Many specimens are unicates. Important additional holdings from abroad include the Democratic Republic of the Congo, Peru, Myrtaceae (mostly Madagascar and New Caledonia), Poaceae (worldwide), and 26 isotypes. Ca. 6300 bryophytes are data based on the Consortium of North American Bryophytes website (https://bryophyteportal.org) or this website (ca. 1650). Ca. 19,000 specimens include phenological data. Over fifteen percent of the collections are vouchers for published research. Significant collections include H.S. MacKee from New Caledonia, H. Tuomisto from Peru, and Sidney McDaniel (Peruvian bryophytes). Ornamental (non-native) occurrences mostly are not data based. Student and volunteer curatorial assistance, as well as generous financial support from the National Science Foundation (CSBR 1756276), is gratefully acknowledged.

This dataset contains only specimens collected in the following regions (if they exist in this collection): Angola, Benin, Burkina Faso, Burundi, Cameroon, Central African Republic, Chad, Republic of Congo, Democratic Republic of the Congo, Côte d'Ivoire, Djibouti, Equatorial Guinea, Eritrea, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Kenya, Liberia, Malawi, Mali, Mozambique, Niger, Nigeria, Rwanda, Sao Tome and Principe, Senegal, Sierra Leone, Somalia, Sudan, Tanzania, Togo, Uganda, and Zambia.