Species: 

Elaeagnus umbellata 

Common Name: 

autumn olive

Systems Affected (standardized): 

disturbed/waste areas, cropland/pastureland, forest/woodland, rangeland

Regions(s) present (updated by AB): 

NE, SE

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Impacts: 

can form a dense shrub layer which displaces native species and closes open areas. Impact outcomes
Damaged ecosystem services
Ecosystem change/ habitat alteration
Increases vulnerability to invasions
Modification of fire regime
Modification of hydrology
Modification of nutrient regime
Modification of successional patterns
Monoculture formation
Negatively impacts forestry
Negatively impacts tourism
Reduced amenity values
Reduced native biodiversity
Threat to/ loss of native species
Transportation disruption
Impact mechanisms
Allelopathic
Competition - monopolizing resources
Competition - shading
Interaction with other invasive species
Rapid growth

Source? likely to be reintroduced: 

Long distance dispersal of E. umbellata has been due entirely to its intentional introduction for perceived environmental benefits.

Info Blurb: 

Can form a dense shrub layer which displaces native species and closes open areas. Intentionally introduced for perceived environmental benefits.

Native Regions in OK: 

NONE

Current and past designations: 

OWL

Present in OK?

Yes

Present in Bordering States?

NM, KS, MO, AR, LA

Has Legal Status in BS?

NONE