Total species in the state - 5598
Total threatened species in the state - 224
Percentage of species threatened in the state - 4.00%
Number of threatened bird species - 59
Number of threatened amphibians species - 3
Number of threatened reptiles bird species - 1
Number of threatened mammals species - 29
Number of threatened fish species - 5
Number of threatened mollusk species - 5
Number of threatened arachnid species - 0
Number of threatened insect species - 17
Number of threatened plant species - 74
Number of threatened fungus & lichen species - 26
Total species in the state - 5598
Total introduced species in the state - 298
Percentage of introduced species - 5.32%
Number of introduced bird species - 11
Most observed introduced bird - Rock Pigeon, Columba livia
Number of introduced amphibian species - 1
Most observed introduced amphibian - Northern Pacific Tree Frog, Pseudacris regilla
Number of introduced reptile species - 1
Most observed introduced reptile - Pond Slider, Trachemys scripta
Number of introduced mammal species - 17
Most observed introduced mammal - European Rabbit, Oryctolagus cuniculus
Number of introduced fish species - 3
Most observed introduced fish - Alaska Blackfish, Dallia pectoralis
Number of introduced mollusk species - 11
Most observed introduced mollusk - Milky Slug, Deroceras reticulatum
Number of introduced arachnid species - 9
Most observed introduced arachnid - European Harvestman, Phalangium opilio
Number of introduced insect species - 31
Most observed introduced insect - Large Yellow Underwing, Noctua pronuba
Number of introduced plant species - 203
Most observed introduced plant - Common Toadflax, Linaria vulgaris
Number of introduced fungus & lichen species - 0
Most observed introduced fungus & lichen - None