species richness, genus richness, family richness, exotic plant richness, area, elevation, georeferenced, year, jurisdiction
Vascular plants, floristics, flora
North America North of Mexico (but can be filtered to include just the gulf region)
Too many to list
LA, USA. Note the states include
1850-2010, but strongest coverage since 1930
The data is a meta-analysis of floras, and as such consists of multiple lists of species
digital
see botany.okstate.edu/floras
The existing data can be used to model vascular plant diversity in unsampled areas, or to generate targets for restoration of biodiversity of damaged areas.