Alaska
105 active alerts in this region
TreeIssues monitors plant and tree health threats across Alaska. Below you will find current alerts for pests, diseases, fungi, and invasive species that have been detected in the state. Alerts are sourced from USDA, USFS, and Alaska state agricultural agencies. Each alert includes severity ratings, affected species, symptoms, and recommended treatments.
Rockweed
MODERATERockweed observed in the wild. Research-grade iNaturalist observation.
Affecting 7 regions
Asian Longhorned Beetle Damages hardwood trees by tunneling deep into trunks and branches
MODERATEAsian Longhorned Beetle Damages hardwood trees by tunneling deep into trunks and branches - identified by USDA APHIS as a pest threat.
Affecting 50 regions
Gnathacmaeops pratensis
MODERATEGnathacmaeops pratensis observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
White-striped Black
MODERATEWhite-striped Black observed in the wild. Research-grade iNaturalist observation.
Affecting 4 regions
Hummingbird Clearwing
MODERATEHummingbird Clearwing observed in the wild. Research-grade iNaturalist observation.
Affecting 5 regions
Cabbage Lung Lichen
MODERATECabbage Lung Lichen observed in the wild. Research-grade iNaturalist observation.
Affecting 2 regions
Puccinia adoxae
MODERATEDark brown telia on Adoxa moschatellina
Affecting 1 region
Crinkled Snow Lichen
MODERATECrinkled Snow Lichen observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Netted Specklebelly
MODERATENetted Specklebelly observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Giant Kelp
MODERATEGiant Kelp observed in the wild. Research-grade iNaturalist observation.
Affecting 4 regions
Exobasidium vaccinii-uliginosi
MODERATEExobasidium vaccinii-uliginosi observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Red-fruited Pixie Cup
MODERATERed-fruited Pixie Cup observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Yellow Lichen
MODERATEYellow Lichen observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Lettuce Lichen
MODERATELettuce Lichen observed in the wild. Research-grade iNaturalist observation.
Affecting 3 regions
Beard-lichen parasite
MODERATEBeard-lichen parasite observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Canadian Tiger Swallowtail
MODERATECanadian Tiger Swallowtail observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Northern Red Belt
MODERATENorthern Red Belt observed in the wild. Research-grade iNaturalist observation.
Affecting 9 regions
aspen oyster mushroom
MODERATEaspen oyster mushroom observed in the wild. Research-grade iNaturalist observation.
Affecting 3 regions
Candy Lichen
MODERATECandy Lichen observed in the wild. Research-grade iNaturalist observation.
Affecting 3 regions
winged kelp
MODERATEwinged kelp observed in the wild. Research-grade iNaturalist observation.
Affecting 4 regions
False Funeral Bell
MODERATEFalse Funeral Bell observed in the wild. Research-grade iNaturalist observation.
Affecting 2 regions
Arctic Kidney Lichen
MODERATEArctic Kidney Lichen observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Star-tipped Reindeer Lichen
MODERATEStar-tipped Reindeer Lichen observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Tree Lungwort
MODERATEOn dead trunk of Holodiscus in thick scrub a few meters from the lake. Soredia along the margins. Lacks lobules.
Affecting 6 regions
birch polypore
MODERATEThese keep showing up on the large birch log - third or perhaps fourth year. I made an adhesive bandage out of a strip of the pore layer and cut up two of the fruit bodies to use to make mushroom paper. Using my hand constantly, the bandage has remained in place for a couple of hours.
Affecting 10 regions
Aspen Serpentine Leafminer Moth
MODERATEAspen Serpentine Leafminer Moth observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
White-spotted Sawyer
MODERATEWhite-spotted Sawyer observed in the wild. Research-grade iNaturalist observation.
Affecting 5 regions
Dragon kelp
MODERATEDragon kelp observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Thoughtful Apamea
MODERATEThoughtful Apamea observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Bull Kelp
MODERATEBull Kelp observed in the wild. Research-grade iNaturalist observation.
Affecting 4 regions
Greenish Blue
MODERATEGreenish Blue observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Netted shield lichen
MODERATENetted shield lichen observed in the wild. Research-grade iNaturalist observation.
Affecting 2 regions
Arctic Butterfingers Lichen
MODERATEArctic Butterfingers Lichen observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Resplendent Click Beetle
MODERATEResplendent Click Beetle observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Sea Cauliflower
MODERATESea Cauliflower observed in the wild. Research-grade iNaturalist observation.
Affecting 4 regions
Sieve kelp
MODERATESieve kelp observed in the wild. Research-grade iNaturalist observation.
Affecting 2 regions
Hedophyllum nigripes
MODERATEHedophyllum nigripes observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
spruce witch's broom rust
MODERATEspruce witch's broom rust observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Hoof Fungus
MODERATEHoof Fungus observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Sugar Kelp
MODERATEDescription: This observation shows a brown alga with a long, single, undivided blade that is ruffled or crinkled along the edges, giving it a distinctive wavy appearance. The color ranges from yellowish-brown to medium brown. The blade attaches to a smooth, flexible, cylindrical stipe, which in turn is anchored to the rock substrate by a claw-like, profusely branched holdfast. Notes: This sample (SM-0020) is from a private collection that will be donated to the Museum of the North Herbariu
Affecting 3 regions
Witch's hair
MODERATEThis observation shows a coarse, dark olive-brown to almost black brown alga. The thallus is stiff and much-branched, reaching up to 2 m (6.5 ft) in height. The branches are cylindrical to slightly flattened and arranged in an irregularly alternate pattern, with sharply pointed spines being a prominent feature. The plant arises from a small, disc-shaped holdfast. Notes: This sample (SM-0024) is from a private collection that will be donated to the Museum of the North Herbarium.
Affecting 1 region
Lettered Habrosyne Moth
MODERATELettered Habrosyne Moth observed in the wild. Research-grade iNaturalist observation.
Affecting 5 regions
Japanese Wireweed
MODERATEJapanese Wireweed observed in the wild. Research-grade iNaturalist observation.
Affecting 4 regions
Pseudohermonassa flavotincta
MODERATEPseudohermonassa flavotincta observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Gray Spruce Looper Moth
MODERATEGray Spruce Looper Moth observed in the wild. Research-grade iNaturalist observation.
Affecting 4 regions
spotted milkcap
MODERATEspotted milkcap observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Chocolate Chip Lichen
MODERATEChocolate Chip Lichen observed in the wild. Research-grade iNaturalist observation.
Affecting 2 regions
veinless pelt lichen
MODERATEveinless pelt lichen observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
chaga
MODERATEchaga observed in the wild. Research-grade iNaturalist observation.
Affecting 7 regions
Black Fire Beetle
MODERATEBlack Fire Beetle observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Hooded Tube Lichen
MODERATEHooded Tube Lichen observed in the wild. Research-grade iNaturalist observation.
Affecting 3 regions
Elegant Sunburst Lichen
MODERATEElegant Sunburst Lichen observed in the wild. Research-grade iNaturalist observation.
Affecting 4 regions
Birch Shield Bug
MODERATEBirch Shield Bug observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
truncated club
MODERATEtruncated club observed in the wild. Research-grade iNaturalist observation.
Affecting 3 regions
Fly Agaric
MODERATETwo instances sighted along Mount Townsend Trail. One had been extensively nibbled by an unknown animal.
Affecting 12 regions
Powdered Sunshine Lichen
MODERATEPowdered Sunshine Lichen observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Fireweed Clearwing Moth
MODERATEFireweed Clearwing Moth observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Ochre-banded Conk
MODERATEOchre-banded Conk observed in the wild. Research-grade iNaturalist observation.
Affecting 5 regions
Lion Beetle
MODERATENear hemlock logs
Affecting 1 region
Rusty Tussock Moth
MODERATERusty Tussock Moth observed in the wild. Research-grade iNaturalist observation.
Affecting 2 regions
Apricot Jelly
MODERATEApricot Jelly observed in the wild. Research-grade iNaturalist observation.
Affecting 2 regions
Yellowfoot
MODERATEYellowfoot observed in the wild. Research-grade iNaturalist observation.
Affecting 2 regions
Shaggy Mane
MODERATEShaggy Mane observed in the wild. Research-grade iNaturalist observation.
Affecting 9 regions
King Bolete
MODERATE4500' My first impression was that it was infected with bolete mold (*Hypomyces chrysospermus*) but at closer inspection, it appears to be just an odd shaped king bolete (*Boletus edulis*). Was very firm to the touch. Found several more *B. edulis* nearby
Affecting 7 regions
Stereo Tooth
MODERATEGrowing beneath / adjacent an old stand of sitka spruce which also has king boleyes and amanita muscaria growing at different times.
Affecting 1 region
Devil's matchstick
MODERATEDevil's matchstick observed in the wild. Research-grade iNaturalist observation.
Affecting 3 regions
Western Yellow-veiled Amanita
MODERATEWestern Yellow-veiled Amanita observed in the wild. Research-grade iNaturalist observation.
Affecting 3 regions
Soothsayer Dart
MODERATESoothsayer Dart observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Herald Moth
MODERATEHerald Moth observed in the wild. Research-grade iNaturalist observation.
Affecting 3 regions
Arctic Rag Lichen
MODERATEArctic Rag Lichen observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Pear-shaped Puffball
MODERATEPear-shaped Puffball observed in the wild. Research-grade iNaturalist observation.
Affecting 5 regions
Feather Boa Kelp
MODERATEMendocino Lighthouse at Shelter Cove, Point Delgada, Lost Coast, King Range Conservation Area, Humboldt County, California
Affecting 4 regions
Veined Cup
MODERATEVeined Cup observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Shaggy Legged Ringless Amanita
MODERATEShaggy Legged Ringless Amanita observed in the wild. Research-grade iNaturalist observation.
Affecting 2 regions
Large Yellow Underwing
MODERATELarge Yellow Underwing observed in the wild. Research-grade iNaturalist observation.
Affecting 12 regions
Bedstraw Hawkmoth
MODERATEBedstraw Hawkmoth observed in the wild. Research-grade iNaturalist observation.
Affecting 3 regions
Arctic tumbleweed
MODERATEArctic tumbleweed observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
mica cap
MODERATEmica cap observed in the wild. Research-grade iNaturalist observation.
Affecting 8 regions
Pachyta lamed
MODERATEPachyta lamed observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Banded Sexton Beetle
MODERATEBanded Sexton Beetle observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Conifer Chicken of the Woods
MODERATEConifer Chicken of the Woods observed in the wild. Research-grade iNaturalist observation.
Affecting 5 regions
Green Wood Cup
MODERATEGreen Wood Cup observed in the wild. Research-grade iNaturalist observation.
Affecting 6 regions
Ancient Coral Lichen
MODERATEAncient Coral Lichen observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
redleg jellybelly
MODERATEredleg jellybelly observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Three-ribbed kelp
MODERATEThree-ribbed kelp observed in the wild. Research-grade iNaturalist observation.
Affecting 2 regions
Lentil Shanklet
MODERATELentil Shanklet observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Red-juice Tooth
MODERATERed-juice Tooth observed in the wild. Research-grade iNaturalist observation.
Affecting 2 regions
Russula crassotunicata
MODERATERussula crassotunicata observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Milbert's Tortoiseshell
MODERATEMilbert's Tortoiseshell observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Fool's Funnel
MODERATEFool's Funnel observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
angel's wings
MODERATEangel's wings observed in the wild. Research-grade iNaturalist observation.
Affecting 2 regions
Tricholoma subacutum
MODERATETricholoma subacutum observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Erysiphe ludens
MODERATEErysiphe ludens observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Coral tooth fungus
MODERATECoral tooth fungus observed in the wild. Research-grade iNaturalist observation.
Affecting 6 regions
Lichen Agaric
MODERATELichen Agaric observed in the wild. Research-grade iNaturalist observation.
Affecting 3 regions
Common Sun Beetle
MODERATECommon Sun Beetle observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Limnoporus rufoscutellatus
MODERATEFirst water strider I’ve seen in this area…. No open water
Affecting 1 region
Green Witch's Hair
MODERATEGreen Witch's Hair observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
membranous pelt lichen
MODERATEmembranous pelt lichen observed in the wild. Research-grade iNaturalist observation.
Affecting 2 regions
Peppery Bolete
MODERATEPeppery Bolete observed in the wild. Research-grade iNaturalist observation.
Affecting 3 regions
Spotted Tussock Moth
MODERATESpotted Tussock Moth observed in the wild. Research-grade iNaturalist observation.
Affecting 10 regions
Purple Spindles
MODERATEPurple Spindles observed in the wild. Research-grade iNaturalist observation.
Affecting 3 regions
Gymnopilus hybridus
MODERATEGymnopilus hybridus observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region
Tree Bacon
MODERATETree Bacon observed in the wild. Research-grade iNaturalist observation.
Affecting 2 regions
Golden Cap
MODERATEGolden Cap observed in the wild. Research-grade iNaturalist observation.
Affecting 1 region