https://www.currentresults.com/Environment-Facts/Plants-Animals/number-of-native-species-in-united-states.php
Number of Native Species in United States - Current Results
Total number of plant and vertebrate animal species native to United States, including mammals, birds, reptiles, amphibians, fish, flowers, trees, ferns and...
native speciesunited statescurrent resultsnumber
https://www.nps.gov/subjects/invasive/index.htm
Invasive & Non-Native Species (U.S. National Park Service)
Non-native plants and animals turn up in unexpected places, including national parks. Some become invasive. Learn how we work to protect habitats from these...
national park servicenative speciesinvasivenon
https://www.nhm.ac.uk/discover/news/2023/march/over-half-britains-plant-species-now-non-native.html
Over half of Britain's plant species are now non-native | Natural History Museum
Of the almost 3,500 British plant species, non-native plants now outnumber native species by 51% to 49% as a result of centuries of introductions.
natural history museumover halfbritainplantspecies
https://www.scientificamerican.com/article/there-are-4-000-species-of-native-bees-in-the-u-s/
There are 4,000 species of native bees in the U.S. | Scientific American
Apr 10, 2026 - Scientists estimate there are about 4,000 species of native bees in the U.S.—and they’re both cooler and ecologically more important than honeybees
native beesin thescientific americanspecies
https://www.maine.gov/dmr/science/species-information/invasives
Non-Native Invasive Marine Species | Department of Marine Resources
Non-native species are organisms that have been transported via human activities and introduced to locations in which they previously did not occur....
marine speciesnonnativeinvasivedepartment
https://www.ernstseed.com/
Ernst Conservation Seeds offers hundreds of species of native & naturalized seeds & live plant...
ernstconservationseedsoffershundreds