Flower profile

Calthaleaf avens

Geum calthifolium

Calthaleaf avens (Geum calthifolium) is a flowering plant in the Rosaceae family.

Native to Alaska

Calthaleaf avens is a wildflower.

1states where USDA records it

518AK sightings*

518U.S. sightings*

*iNaturalist research-grade observations, as of October 17, 2026.

On our lists for: Alaska

Quick look

It belongs to the Rosaceae family. ^iNaturalist
USDA PLANTS describes it as an herb (forb) with a perennial life cycle. ^{USDA PLANTS}
NatureServe lists it as native to Alaska. ^NatureServe
iNaturalist has 518 research-grade sightings of it in Alaska, ranking #83 among the 121 flowers on our Alaska list. ^iNaturalist

When does it bloom?

Flowering records by month in Alaska (iNaturalist research-grade observations marked “Flowering”) (39 records)

Conservation status

Federal (U.S. ESA): Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. ^{USFWS ECOS}
NatureServe global: G4 Apparently secure worldwide. ^NatureServe
Alaska: No list Alaska has no state law listing endangered or threatened plants, so we show NatureServe's Alaska ranks instead. NatureServe: S4, apparently secure in Alaska.
Rare elsewhere: No other U.S. state ranks it S1, S2, SH or SX.

Checked October 17, 2026. Rankings and lists can change, so follow the links for the latest.

Can you eat it?

For peopleNot well documented

None of the sources we checked (NC State Extension (no page for this plant), USDA PLANTS) say whether it's edible or poisonous for people.

For petsNot well documented

It isn't on the ASPCA plant list.

🌿 Never eat a wild plant unless you're certain of its ID; this isn't medical advice. Worried about a person? Call Poison Control at 1-800-222-1222. Worried about a pet? Call your vet.

Where does it grow?

USDA PLANTS records calthaleaf avens in 1 states.

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Alaska.

Alaska counties with USDA records: Aleutians East, Aleutians West, Anchorage, Chugach, Copper River, Haines, Juneau, Kenai Peninsula, Ketchikan Gateway, Kodiak Island, Sitka, Southeast Fairbanks, Yakutat.

Names, range and relatives

Native status by region (USDA PLANTS): Alaska: Native; Canada: Native.

Other scientific names (synonyms in USDA PLANTS): Acomastylis calthifolia.

County records: USDA PLANTS lists it in 13 counties across 1 states; the most are in Alaska (13).

Other Geum on Bloomipedia (3): Prairie smoke, Large-leaved avens, Ross' avens.

More from the Rosaceae family (103 on Bloomipedia; most observed first): Roses (genus Rosa), Multiflora rose, Mock strawberry, Black cherry, Toyon, Thimbleberry, Wineberry, Black raspberry.

More Alaska flowers

Salmonberry

Rubus spectabilis

Native

🌼 Blooms in AK: April–June

Roses (genus Rosa)

Rosa

★ NY state flower🌷 Garden flower

🌼 Blooms in AK: June–July

Prickly wild rose

Rosa acicularis

Native

🌼 Blooms in AK: June–July

Sources

USDA, NRCS. PLANTS Database, profile GECA6.
iNaturalist, Geum calthifolium: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
Alaska: Alaska prohibited and restricted noxious weeds (11 AAC 34.020).
USFWS, ECOS species database (ESA listing check), October 17, 2026.
NatureServe Explorer, Geum calthifolium (global and state ranks).
Edibility and toxicity: no source found (marked "not well documented").
Photo: Matt Muir via iNaturalist · CC BY 4.0 · resized.