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Scientific Name
Conyza canadensis
Scientific Name w/ Auth.
Conyza canadensis (L.) Cronquist
Park
Abraham Lincoln Birthplace National Historical Park (ABLI)
Sensitive
No
Park Accepted
Accepted
Record Status
Approved
Park Preferred Common Names
Canadian horseweed
Park Synonyms
Taxonomic Hierarchy
| Kingdom | Plantae |
| Subkingdom | Viridiplantae |
| Infrakingdom | Streptophyta |
| Superdivision | Embryophyta |
| Division | Tracheophyta |
| Subdivision | Spermatophytina |
| Class | Magnoliopsida |
| Superorder | Asteranae |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Conyza |
| Species | Conyza canadensis |
Occurrence
Present
Occurrence Notes
Data Source: McKinney 1993;
Nativeness
Native
Nativeness Notes
Data Source: http://plants.usda.gov, 10 August 2007
Abundance
Uncommon
Abundance Notes
Data Source: McKinney 1993;
Threatened Endangered Status
State Species of Concern statuses
Ozone Sensitive Status
NatureServe GRank
NatureServe SRank
Observations
2
References
Vouchers
0
External Links
0
Evidence counts shown include evidence for related synonyms.
Created By
sjd-MACA;MAW - I&M Office
Created Date
3/11/2000 12:00:00 AM
Last Modified By
cbledsoe@nps.gov
Last Modified Date
3/23/2018 10:46:29 AM
Notes
Park Species Detail: Habitat = old field, Park Species Data Source: McKinney 1993;
Other Parks
Acadia National Park (ACAD)
Agate Fossil Beds National Monument (AGFO)
Amistad National Recreation Area (AMIS)
Antietam National Battlefield (ANTI)
Apostle Islands National Lakeshore (APIS)
Bighorn Canyon National Recreation Area (BICA)
Bent's Old Fort National Historic Site (BEOL)
Badlands National Park (BADL)
Big Bend National Park (BIBE)
Aztec Ruins National Monument (AZRU)
Appalachian National Scenic Trail (APPA)
Chattahoochee River National Recreation Area (CHAT)
Cabrillo National Monument (CABR)
Chickamauga and Chattanooga National Military Park (CHCH)
Casa Grande Ruins National Monument (CAGR)
Big Thicket National Preserve (BITH)
Canaveral National Seashore (CANA)
Buffalo National River (BUFF)
Big South Fork National River and Recreation Area (BISO)
Canyon De Chelly National Monument (CACH)
Boston Harbor Islands National Recreation Area (BOHA)
Cape Hatteras National Seashore (CAHA)
Black Canyon of the Gunnison National Park (BLCA)
Carlsbad Caverns National Park (CAVE)
Cape Lookout National Seashore (CALO)
Capulin Volcano National Monument (CAVO)
Carl Sandburg Home National Historic Site (CARL)
Fort Point National Historic Site (FOPO)
Fort Frederica National Monument (FOFR)
Fort Union National Monument (FOUN)
Delaware Water Gap National Recreation Area (DEWA)
Fort Laramie National Historic Site (FOLA)
Fort Caroline National Memorial (FOCA)
Cumberland Gap National Historical Park (CUGA)
Colonial National Historical Park (COLO)
Gateway National Recreation Area (GATE)
Fort Vancouver National Historic Site (FOVA)
Cuyahoga Valley National Park (CUVA)
Curecanti National Recreation Area (CURE)
Chaco Culture National Historical Park (CHCU)
Fort Donelson National Battlefield (FODO)
Fire Island National Seashore (FIIS)
Gettysburg National Military Park (GETT)
Cowpens National Battlefield (COWP)
Charles Pinckney National Historic Site (CHPI)
El Malpais National Monument (ELMA)
Chiricahua National Monument (CHIR)
El Morro National Monument (ELMO)
Channel Islands National Park (CHIS)
Fort Pulaski National Monument (FOPU)
City Of Rocks National Reserve (CIRO)
Fort Larned National Historic Site (FOLS)
Chickasaw National Recreation Area (CHIC)
Fort Bowie National Historic Site (FOBO)
Fort Union Trading Post National Historic Site (FOUS)
Devils Tower National Monument (DETO)
Coronado National Memorial (CORO)
Fort Sumter National Historical Park (FOSU)
Effigy Mounds National Monument (EFMO)
Colorado National Monument (COLM)
Crater Lake National Park (CRLA)
Ebey's Landing National Historical Reserve (EBLA)
First State National Historical Park (FRST)
Mississippi National River and Recreation Areas (MISS)
Johnstown Flood National Memorial (JOFL)
Knife River Indian Villages National Historic Site (KNRI)
Organ Pipe Cactus National Monument (ORPI)
Manassas National Battlefield Park (MANA)
Ozark National Scenic Riverways (OZAR)
Lake Roosevelt National Recreation Area (LARO)
Martin Van Buren National Historic Site (MAVA)
Kalaupapa National Historical Park (KALA)
Grand Canyon National Park (GRCA)
North Cascades National Park (NOCA)
Isle Royale National Park (ISRO)
Mesa Verde National Park (MEVE)
Homestead National Historical Park (HOME)
Petersburg National Battlefield (PETE)
Mojave National Preserve (MOJA)
Mammoth Cave National Park (MACA)
Oregon Caves National Monument (ORCA)
Hot Springs National Park (HOSP)
Morristown National Historical Park (MORR)
Mount Rushmore National Memorial (MORU)
Pecos National Historical Park (PECO)
Guadalupe Mountains National Park (GUMO)
Grand Teton National Park (GRTE)
Jewel Cave National Monument (JECA)
Lake Mead National Recreation Area (LAKE)
John Muir National Historic Site (JOMU)
Herbert Hoover National Historic Site (HEHO)
Monocacy National Battlefield (MONO)
Pipestone National Monument (PIPE)
Pea Ridge National Military Park (PERI)
Hopewell Culture National Historical Park (HOCU)
Glacier National Park (GLAC)
Missouri National Recreational River (MNRR)
Great Smoky Mountains National Park (GRSM)
Petroglyph National Monument (PETR)
Indiana Dunes National Park (INDU)
Guilford Courthouse National Military Park (GUCO)
Obed Wild and Scenic River (OBRI)
Hubbell Trading Post National Historic Site (HUTR)
Lyndon B. Johnson National Historical Park (LYJO)
Great Sand Dunes National Park and Preserve (GRSA)
George Washington Carver National Monument (GWCA)
Little River Canyon National Preserve (LIRI)
Navajo National Monument (NAVA)
Montezuma Castle National Monument (MOCA)
Petrified Forest National Park (PEFO)
Mount Rainier National Park (MORA)
Kenilworth Park and Aquatic Gardens (KEAQ)
George Washington Birthplace National Monument (GEWA)
Minute Man National Historical Park (MIMA)
Joshua Tree National Park (JOTR)
Gila Cliff Dwellings National Monument (GICL)
John Day Fossil Beds National Monument (JODA)
Pictured Rocks National Lakeshore (PIRO)
Nez Perce National Historical Park (NEPE)
Grand Portage National Monument (GRPO)
Padre Island National Seashore (PAIS)
Kennesaw Mountain National Battlefield Park (KEMO)
Hopewell Furnace National Historic Site (HOFU)
George Washington Memorial Parkway (GWMP)
Great Falls Park (GRFA)
New River Gorge National Park and Preserve (NERI)
Gulf Islands National Seashore (GUIS)
Yosemite National Park (YOSE)
Thomas Stone National Historic Site (THST)
Tallgrass Prairie National Preserve (TAPR)
San Antonio Missions National Historical Park (SAAN)
Sleeping Bear Dunes National Lakeshore (SLBE)
Stones River National Battlefield (STRI)
Saratoga National Historical Park (SARA)
Voyageurs National Park (VOYA)
Rainbow Bridge National Monument (RABR)
Theodore Roosevelt National Park (THRO)
Suitland Parkway (SUIT)
White Sands National Park (WHSA)
Tumacacori National Historical Park (TUMA)
Yucca House National Monument (YUHO)
Scotts Bluff National Monument (SCBL)
Rocky Mountain National Park (ROMO)
Saint Croix National Scenic Riverway (SACN)
Walnut Canyon National Monument (WACA)
Tuzigoot National Monument (TUZI)
Wilson's Creek National Battlefield (WICR)
Presidio of San Francisco (PRSF)
Whitman Mission National Historic Site (WHMI)
Rock Creek Park (ROCR)
Prince William Forest Park (PRWI)
Sagamore Hill National Historic Site (SAHI)
Sequoia and Kings Canyon National Parks (SEKI)
Wind Cave National Park (WICA)
Valley Forge National Historical Park (VAFO)
Tonto National Monument (TONT)
Yellowstone National Park (YELL)
Wolf Trap National Park for the Performing Arts (WOTR)
Timucuan Ecological and Historic Preserve (TIMU)
War in the Pacific National Historical Park (WAPA)
Washita Battlefield National Historic Site (WABA)
Saguaro National Park (SAGU)
Shiloh National Military Park (SHIL)
Richmond National Battlefield Park (RICH)
Agate Fossil Beds National Monument (AGFO)
Amistad National Recreation Area (AMIS)
Antietam National Battlefield (ANTI)
Apostle Islands National Lakeshore (APIS)
Bighorn Canyon National Recreation Area (BICA)
Bent's Old Fort National Historic Site (BEOL)
Badlands National Park (BADL)
Big Bend National Park (BIBE)
Aztec Ruins National Monument (AZRU)
Appalachian National Scenic Trail (APPA)
Chattahoochee River National Recreation Area (CHAT)
Cabrillo National Monument (CABR)
Chickamauga and Chattanooga National Military Park (CHCH)
Casa Grande Ruins National Monument (CAGR)
Big Thicket National Preserve (BITH)
Canaveral National Seashore (CANA)
Buffalo National River (BUFF)
Big South Fork National River and Recreation Area (BISO)
Canyon De Chelly National Monument (CACH)
Boston Harbor Islands National Recreation Area (BOHA)
Cape Hatteras National Seashore (CAHA)
Black Canyon of the Gunnison National Park (BLCA)
Carlsbad Caverns National Park (CAVE)
Cape Lookout National Seashore (CALO)
Capulin Volcano National Monument (CAVO)
Carl Sandburg Home National Historic Site (CARL)
Fort Point National Historic Site (FOPO)
Fort Frederica National Monument (FOFR)
Fort Union National Monument (FOUN)
Delaware Water Gap National Recreation Area (DEWA)
Fort Laramie National Historic Site (FOLA)
Fort Caroline National Memorial (FOCA)
Cumberland Gap National Historical Park (CUGA)
Colonial National Historical Park (COLO)
Gateway National Recreation Area (GATE)
Fort Vancouver National Historic Site (FOVA)
Cuyahoga Valley National Park (CUVA)
Curecanti National Recreation Area (CURE)
Chaco Culture National Historical Park (CHCU)
Fort Donelson National Battlefield (FODO)
Fire Island National Seashore (FIIS)
Gettysburg National Military Park (GETT)
Cowpens National Battlefield (COWP)
Charles Pinckney National Historic Site (CHPI)
El Malpais National Monument (ELMA)
Chiricahua National Monument (CHIR)
El Morro National Monument (ELMO)
Channel Islands National Park (CHIS)
Fort Pulaski National Monument (FOPU)
City Of Rocks National Reserve (CIRO)
Fort Larned National Historic Site (FOLS)
Chickasaw National Recreation Area (CHIC)
Fort Bowie National Historic Site (FOBO)
Fort Union Trading Post National Historic Site (FOUS)
Devils Tower National Monument (DETO)
Coronado National Memorial (CORO)
Fort Sumter National Historical Park (FOSU)
Effigy Mounds National Monument (EFMO)
Colorado National Monument (COLM)
Crater Lake National Park (CRLA)
Ebey's Landing National Historical Reserve (EBLA)
First State National Historical Park (FRST)
Mississippi National River and Recreation Areas (MISS)
Johnstown Flood National Memorial (JOFL)
Knife River Indian Villages National Historic Site (KNRI)
Organ Pipe Cactus National Monument (ORPI)
Manassas National Battlefield Park (MANA)
Ozark National Scenic Riverways (OZAR)
Lake Roosevelt National Recreation Area (LARO)
Martin Van Buren National Historic Site (MAVA)
Kalaupapa National Historical Park (KALA)
Grand Canyon National Park (GRCA)
North Cascades National Park (NOCA)
Isle Royale National Park (ISRO)
Mesa Verde National Park (MEVE)
Homestead National Historical Park (HOME)
Petersburg National Battlefield (PETE)
Mojave National Preserve (MOJA)
Mammoth Cave National Park (MACA)
Oregon Caves National Monument (ORCA)
Hot Springs National Park (HOSP)
Morristown National Historical Park (MORR)
Mount Rushmore National Memorial (MORU)
Pecos National Historical Park (PECO)
Guadalupe Mountains National Park (GUMO)
Grand Teton National Park (GRTE)
Jewel Cave National Monument (JECA)
Lake Mead National Recreation Area (LAKE)
John Muir National Historic Site (JOMU)
Herbert Hoover National Historic Site (HEHO)
Monocacy National Battlefield (MONO)
Pipestone National Monument (PIPE)
Pea Ridge National Military Park (PERI)
Hopewell Culture National Historical Park (HOCU)
Glacier National Park (GLAC)
Missouri National Recreational River (MNRR)
Great Smoky Mountains National Park (GRSM)
Petroglyph National Monument (PETR)
Indiana Dunes National Park (INDU)
Guilford Courthouse National Military Park (GUCO)
Obed Wild and Scenic River (OBRI)
Hubbell Trading Post National Historic Site (HUTR)
Lyndon B. Johnson National Historical Park (LYJO)
Great Sand Dunes National Park and Preserve (GRSA)
George Washington Carver National Monument (GWCA)
Little River Canyon National Preserve (LIRI)
Navajo National Monument (NAVA)
Montezuma Castle National Monument (MOCA)
Petrified Forest National Park (PEFO)
Mount Rainier National Park (MORA)
Kenilworth Park and Aquatic Gardens (KEAQ)
George Washington Birthplace National Monument (GEWA)
Minute Man National Historical Park (MIMA)
Joshua Tree National Park (JOTR)
Gila Cliff Dwellings National Monument (GICL)
John Day Fossil Beds National Monument (JODA)
Pictured Rocks National Lakeshore (PIRO)
Nez Perce National Historical Park (NEPE)
Grand Portage National Monument (GRPO)
Padre Island National Seashore (PAIS)
Kennesaw Mountain National Battlefield Park (KEMO)
Hopewell Furnace National Historic Site (HOFU)
George Washington Memorial Parkway (GWMP)
Great Falls Park (GRFA)
New River Gorge National Park and Preserve (NERI)
Gulf Islands National Seashore (GUIS)
Yosemite National Park (YOSE)
Thomas Stone National Historic Site (THST)
Tallgrass Prairie National Preserve (TAPR)
San Antonio Missions National Historical Park (SAAN)
Sleeping Bear Dunes National Lakeshore (SLBE)
Stones River National Battlefield (STRI)
Saratoga National Historical Park (SARA)
Voyageurs National Park (VOYA)
Rainbow Bridge National Monument (RABR)
Theodore Roosevelt National Park (THRO)
Suitland Parkway (SUIT)
White Sands National Park (WHSA)
Tumacacori National Historical Park (TUMA)
Yucca House National Monument (YUHO)
Scotts Bluff National Monument (SCBL)
Rocky Mountain National Park (ROMO)
Saint Croix National Scenic Riverway (SACN)
Walnut Canyon National Monument (WACA)
Tuzigoot National Monument (TUZI)
Wilson's Creek National Battlefield (WICR)
Presidio of San Francisco (PRSF)
Whitman Mission National Historic Site (WHMI)
Rock Creek Park (ROCR)
Prince William Forest Park (PRWI)
Sagamore Hill National Historic Site (SAHI)
Sequoia and Kings Canyon National Parks (SEKI)
Wind Cave National Park (WICA)
Valley Forge National Historical Park (VAFO)
Tonto National Monument (TONT)
Yellowstone National Park (YELL)
Wolf Trap National Park for the Performing Arts (WOTR)
Timucuan Ecological and Historic Preserve (TIMU)
War in the Pacific National Historical Park (WAPA)
Washita Battlefield National Historic Site (WABA)
Saguaro National Park (SAGU)
Shiloh National Military Park (SHIL)
Richmond National Battlefield Park (RICH)
