|
| General Information | |
|---|---|
| Symbol: | EMAU |
| Group: | Dicot |
| Family: | Polygonaceae |
| Duration: |
Annual |
| Growth Habit: |
Forb/herb |
| Native Status: |
L48 I |
| Data Source and Documentation | |
 |
Native |  |
Introduced |  |
Both |  |
Absent/Unreported |
 |
Native, No County Data |  |
Introduced, No County Data |  |
Both, No County Data |
| Native Status: | ||||||||||||||||||||||||||||
 |
L48 |  |
AK | |
HI | |
PR | |
VI | |
NAV | |
CAN | |
GL | |
SPM | |
NA | |||||||||
Synonyms
Classification
| Rank | Scientific Name and Common Name |
|---|---|
| Kingdom | Plantae – Plants |
| Subkingdom | Tracheobionta – Vascular plants |
| Superdivision | Spermatophyta – Seed plants |
| Division | Magnoliophyta – Flowering plants |
| Class | Magnoliopsida – Dicotyledons |
| Subclass | Caryophyllidae |
| Order | Polygonales |
| Family | Polygonaceae – Buckwheat family |
| Genus | Emex Campd. – threecornerjack |
| Species | Emex australis Steinh. – southern threecornerjack |
Subordinate Taxa
Legal Status
| Noxious Weed Information | ||
|---|---|---|
| This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete noxious weed list for that location, or click here for a composite list of all Federal and State Noxious Weeds. | ||
| United States:
three-cornered jack
Noxious weed
|
||
| Alabama
three-cornered jack
Class A noxious weed
|
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| California
three-cornered jack
Quarantine
|
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| Florida
three-cornered jack
Noxious weed
|
||
| Massachusetts
three-cornered jack
Prohibited
|
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| Minnesota
three-cornered jack
Prohibited noxious weed
|
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| North Carolina
southern threecornerjack
Class A noxious weed
|
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| Oregon
three-cornered jack
Quarantine
|
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| South Carolina
three-cornered jack
Plant pest
|
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| Vermont
three-cornered jack
Class A noxious weed
|
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| U.S. Weed Information | |
|---|---|
|
Emex australis
three-cornered jack
This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of
Weeds of the U.S.
|
|
| US | USDA, Animal and Plant Health Inspection Service (APHIS), Plant Protection and Quarantine (PPQ). 2012. Federal noxious weed list (1 February 2012). USDA, APHIS, PPQ. Washington, DC. |
| STATE | Assorted authors. State noxious weed lists for 46 states. State agriculture or natural resource departments. |
Related Links
| Related Websites | |
|---|---|
| CSIRO: Weed Management News Sheet (Australia) (EMAU) | |
Wildlife
Food
| Source | Large Mammals | Small Mammals | Water Birds | Terrestrial Birds |
|---|
Cover
| Source | Large Mammals | Small Mammals | Water Birds | Terrestrial Birds |
|---|
Description of Values
| Value Class | Food | Cover |
|---|
