The information provided here is an initial draft summary based on the provisional vascular flora checklist prior to vetting by our Taxonomic Committee. The information provided here should therefore be considered as a preliminary estimate.
The Vascular Flora contains 2,319 accepted names of vascular species and infraspecies that are known to occur in Alaska.
- 1,780 species
- 404 subspecies
- 120 varieties
- 14 stable hybrids
Non-native taxa contribute a sizable and increasing portion of the Flora. Several taxa include both native and non-native genotypes.
- 1,932 native taxa
- 392 non-native taxa
Species Count by Family
The table below shows the number of species (not infraspecies) per family that occur in Alaska. The table below can be filtered to show families that meet certain criteria (e.g., monocots only) or can be searched for a specific family.