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  1. Life
  2. Plants
  3. Vascular Plants
  4. Dicots
  5. Beeches, Oaks, Walnuts, and Allies
  6. Birches and Allies
  7. Alders
  8. Smooth Alder

species 15,227 observations

Smooth Alder

Alnus serrulata

Status
native
Traits
Where
In the US
Source
iNaturalist

Field notes

Supports All

224 native animals
supported in the US
  • Caterpillars Moths and butterflies raised on it Phyllonorycter auronitens, Hickory Tussock Moth, Imperial Moth, Pawpaw Sphinx 183
  • Hosted animals Gall makers, leaf miners and other animals living on or in it Striped Alder Sawfly, Red-edged Saperda, Trumpet Creeper Leafminer, Polished Bark Beetle 4
  • Plant eaters Animals that feed on it Alder Spittlebug, Oncopsis flavidorsum, Woolly Alder Aphid, Four-spotted Spittlebug 29
  • Flower visitors Pollinators and other flower visitors Winter Bumblefly, Ruby-crowned Kinglet, Ferruginous Carpenter Ant, Rhynchomitra microrhina 8

Range

United States

Greener is more native, amber more introduced; paler is less certain. How this was decided

Key traits

Layer
Trees
Light
Full sun Part shade
Moisture
Moist Wet
Water use
High
Soil
Loam Clay
Soil pH
Neutral
Resists
Compaction Erosion Fire Foot traffic Heat Wet soil
Habit
Erect Multi stemmed Spreading
Plant type
Shrub Tree

From NC State Extension, USDA PLANTS and the Lady Bird Johnson Wildflower Center.

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