Eritrichium nanum

(Arctic Alpine Forget-me-not)

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Eritrichium nanum, Mayflower Gulch, Summit Co. 6293

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Eritrichium nanum, Mayflower Gulch, Summit Co. 6275

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Eritrichium nanum, Mayflower Gulch, Summit Co. 9879

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Eritrichium nanum, Mosquito Gulch, Park Co. 2979

Scientific Name Eritrichium nanum (Eritrichium argenteum) USDA PLANTS Symbol ERNA
Common Name Arctic Alpine Forget-me-not ITIS Taxonomic Serial No. 31904
Family Boraginaceae (Forget-me-not) SEINet
Reference
E. nanum
E. argenteum
Description Life zones and habitat: Subalpine and alpine (10000 to 14000 ft.); meadows, tundra.
Plant: Short, mat-forming perennial 1/2 to 2 inches tall; slender hairy stems.
Leaves: Basal oblong to ovate leaves, up to 3/8-inch long, thick, hairy.
Inflorescence: Clusters of small flowers about 1/4-inch across with 5 blue petals and yellow centers.
Bloom Period: June to August.
Note: According to iNaturalist the names are not synonymous, rather E. argenteum is found in North America and E. nanum in Europe. Adding to the confusion, neither USDA Plants Database nor ITIS include E. argentuem.
References: E. argenteum in "Flora of Colorado" by Jennifer Ackerfield (2nd edition), E. nanum in "Guide to Colorado Wildflowers" by G.K. Guennel, E. argenteum at iNaturalist and E. nanum at iNaturalist.
BONAP Distribution Map


Map Color Key
Colorado Status:
Native

© Tom Lebsack 2026

Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains

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