Fauna
Plant · GBIF taxon 9060377

Thinleaf Huckleberry

Vaccinium membranaceum

Also known as Tall Huckleberry, Big Huckleberry, Mountain Huckleberry, Square-Twig Blueberry

Thinleaf huckleberry dominates understories in subalpine forests and burned slopes across mountain ranges of western North America. Single, nodding urn-shaped flowers bloom in spring, producing dark purple fruit that ripens by late summer and serves as a vital nutrition source for foraging bears. These cold-hardy shrubs often spread through underground rhizomes, persisting for decades under mature conifer canopy.

MontaneDeciduousBerry-Bearing
Thinleaf Huckleberry reference1 / 7
—observations
—countries
—peak records
Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Diet & prey
  • Autotrophic (Photosynthetic)
Predators
  • Grizzly Bear
  • American Black Bear
  • Mule Deer
ThreatsFire suppression, habitat fragmentation, and climate change
HabitatsSubalpine coniferous forests, mountain slopes, clearings, and burned areas
Life span50–100+ years
  1. OrderEricales
  2. FamilyEricaceae
  3. GenusVaccinium
  4. SpeciesVaccinium membranaceum
Range data is not available yet.
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Wild berries have toxic look-alikes; never eat based on app identification alone.
Responsible observation
  • Spotting In The Wild: Look along subalpine trail edges and mountain clearings where sunlight breaks through conifer canopy.
  • Identifying Features: Check for yellow-green serrated leaves and distinctly angled or square yellowish twigs.
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