Aster lateriflorus var. lateriflorus
Frost flower, Calico aster, Small white aster Taxonomy
Synonyms: Aster vimineus, Aster racemosus, Symphyotrichum racemosum, Fragile-stem american-aste, Symphyotrichum lateriflorum var. lateriflorum Subspecific taxa: Classification:
Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI 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: FLNA;  USDA Plants;  BONAP;  BISON
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Species Status
Status/Listing: No Information Notes: Origin: Native
Species Description
General: Dicot-herb, perennial Roots: adventitious, rhizomes Shoots: alternate leaf arrangment; simple leaf type; entire leaf margin; Pinnate leaf venation; awl-shaped, oblong leaf shape Inflorescence: head Flowers: perfect, unisexual, monoecious; complete, regular, irregular; violet, white; epigynous ovary position Fruit: achene Physiology: autotrophic Reproduction: sexual, vegetative
Ecology & Natural History
Habitat: Low meadows of river valleys, swampy meadows, prairie swales, swampy woods, borders of swamps and of upland sinkhole ponds. ILPIN Notes: Arched, recurving to horizontally spreading branches bearing much reduced, bracteate leaves and numerous small flower-heads in 1-sided racemes or spike- like inflorescences; flower heads among the smallest of all native species; rays usually white, rarely purple. Disk florets perfect, ray florets pistillate and perfect. Includes typical variety and var. subdumosus Wieg. Functional Relationships:
Human Relationships:
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Coefficient of Conservatism (C-value) [?] :
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