Illinois Natural History Survey - University of Illinois

Populus tremuloides
Quaking aspen
Taxonomy

Synonyms: Populus tremula ssp. tremuloides

Subspecific taxa:

Classification:

  • Magnoliophyta

Other taxonomic & nomenclature sources: USDA PlantsITISThe Plant ListIPNI

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Species Distribution
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County Map Legend
Absent:
Not known from county
Medium confidence:
Medium or unknown confidence;
often old records or unverifiable observations
Medium-high confidence:
Often observations by expert botanists
High confidence:
Often vouchered herbarium records
Planted / introduced:
Native species introduced outside historic range,
or only in planted locations within county (e.g., restorations)
Historic / extirpated:
Only historic records for the species; likely extirpated
(Note that this category is not yet functional)

North American distribution maps for this species: FLNAUSDA PlantsBONAPBISON

Collection & Observation Phenology [?]

J
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F
0
M
0
A
0
M
0
J
0
J
0
A
0
S
0
O
0
N
0
D
0

Collection & Observation Timeline [?]

Species Status

Status/Listing: No Information

Notes:

Origin: Native

Species Description

General: Dicot-woody, perennial

Roots: primary

Shoots: alternate leaf arrangment; simple leaf type; serrate, crenate leaf margin; lanceolate, oval leaf shape

Inflorescence: catkin

Flowers: unisexual, dioecious; incomplete, not petals, not sepals; hypogynous ovary position

Fruit: capsule

Physiology: autotrophic; C3 C02 fixation

Ecology & Natural History

Habitat: Species is distributed on low ground; edge of woods; cut-over land; burned peat marshes; forms large colonies that are poor in associates; scrubby woodlands.

ILPIN Notes: Central state species don't contribute to hayfever. Germinates well in fire scarred areas. Petioles are strongly flattened; whitish trunk; seeds with cottony hairs.

Functional Relationships:

  • Pollinators insects (wind)

Human Relationships:

  • Edibility [?] : yes-qualified
  • Showy Flowers: low

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value: small non-game bird: good

Coefficient of Conservatism (C-value) [?] :

  • Entire State: 3
  • Chicago Area: 4

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