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Scientific Name
Conyza canadensis
Scientific Name w/ Auth.
Conyza canadensis (L.) Cronquist
Park
Gateway National Recreation Area (GATE)
Sensitive
No
Park Accepted
Accepted
Record Status
Approved
Park Preferred Common Names
Horseweed
Park Synonyms
Erigeron canadensis
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
[(JBWR) Stalter and Lamont 2002]: Fields and disturbed sites; Data Source: Stalter, 2002
Nativeness
Unknown
Abundance
Uncommon
Abundance Notes
[(JBWR) Stalter and Lamont 2002]: 5-15 estimated populations in JBWR/; Data Source: Stalter, 2002
Threatened Endangered Status
State Species of Concern statuses
Ozone Sensitive Status
NatureServe GRank
NatureServe SRank
Observations
8
References
Vouchers
5
External Links
0
Evidence counts shown include evidence for related synonyms.
Created By
Converted from non-NPSpecies format by I&M Office
Created Date
1/7/2005 12:00:00 AM
Last Modified By
jwillis-lujan@nps.gov
Last Modified Date
1/30/2019 2:51:01 PM
Notes
Park Species Data Source: Ferriera, 1997; Stalter, 2002
Park Species Data Source: Byer, 2002; Stalter, 1988, Accepted Detail: Byer, 2002
Other Parks
Abraham Lincoln Birthplace National Historical Park (ABLI)
Acadia National Park (ACAD)
Agate Fossil Beds National Monument (AGFO)
Amistad National Recreation Area (AMIS)
Antietam National Battlefield (ANTI)
Badlands National Park (BADL)
Apostle Islands National Lakeshore (APIS)
Aztec Ruins National Monument (AZRU)
Appalachian National Scenic Trail (APPA)
Bighorn Canyon National Recreation Area (BICA)
Cabrillo National Monument (CABR)
Casa Grande Ruins National Monument (CAGR)
Big Thicket National Preserve (BITH)
Buffalo National River (BUFF)
Bent's Old Fort National Historic Site (BEOL)
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)
Big Bend National Park (BIBE)
Black Canyon of the Gunnison National Park (BLCA)
Cape Lookout National Seashore (CALO)
Chattahoochee River National Recreation Area (CHAT)
Delaware Water Gap National Recreation Area (DEWA)
Cumberland Gap National Historical Park (CUGA)
Colonial National Historical Park (COLO)
Cuyahoga Valley National Park (CUVA)
Chickamauga and Chattanooga National Military Park (CHCH)
Curecanti National Recreation Area (CURE)
Chaco Culture National Historical Park (CHCU)
Fire Island National Seashore (FIIS)
Canaveral National Seashore (CANA)
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)
City Of Rocks National Reserve (CIRO)
Chickasaw National Recreation Area (CHIC)
Devils Tower National Monument (DETO)
Coronado National Memorial (CORO)
Effigy Mounds National Monument (EFMO)
Carlsbad Caverns National Park (CAVE)
Colorado National Monument (COLM)
Capulin Volcano National Monument (CAVO)
Crater Lake National Park (CRLA)
Ebey's Landing National Historical Reserve (EBLA)
Carl Sandburg Home National Historic Site (CARL)
Fort Point National Historic Site (FOPO)
Fort Frederica National Monument (FOFR)
Johnstown Flood National Memorial (JOFL)
Fort Union National Monument (FOUN)
Knife River Indian Villages National Historic Site (KNRI)
Fort Laramie National Historic Site (FOLA)
Manassas National Battlefield Park (MANA)
Fort Caroline National Memorial (FOCA)
Lake Roosevelt National Recreation Area (LARO)
Martin Van Buren National Historic Site (MAVA)
Kalaupapa National Historical Park (KALA)
Grand Canyon National Park (GRCA)
Isle Royale National Park (ISRO)
Fort Vancouver National Historic Site (FOVA)
Mesa Verde National Park (MEVE)
Homestead National Historical Park (HOME)
Fort Donelson National Battlefield (FODO)
Mammoth Cave National Park (MACA)
Hot Springs National Park (HOSP)
Gettysburg National Military Park (GETT)
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)
Fort Pulaski National Monument (FOPU)
Herbert Hoover National Historic Site (HEHO)
Hopewell Culture National Historical Park (HOCU)
Glacier National Park (GLAC)
Great Smoky Mountains National Park (GRSM)
Indiana Dunes National Park (INDU)
Fort Larned National Historic Site (FOLS)
Guilford Courthouse National Military Park (GUCO)
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)
Fort Bowie National Historic Site (FOBO)
Little River Canyon National Preserve (LIRI)
Kenilworth Park and Aquatic Gardens (KEAQ)
George Washington Birthplace National Monument (GEWA)
Fort Union Trading Post National Historic Site (FOUS)
Fort Sumter National Historical Park (FOSU)
Joshua Tree National Park (JOTR)
Gila Cliff Dwellings National Monument (GICL)
John Day Fossil Beds National Monument (JODA)
Grand Portage National Monument (GRPO)
Kennesaw Mountain National Battlefield Park (KEMO)
Hopewell Furnace National Historic Site (HOFU)
George Washington Memorial Parkway (GWMP)
Great Falls Park (GRFA)
First State National Historical Park (FRST)
Gulf Islands National Seashore (GUIS)
Mississippi National River and Recreation Areas (MISS)
Yosemite National Park (YOSE)
Organ Pipe Cactus National Monument (ORPI)
Thomas Stone National Historic Site (THST)
Tallgrass Prairie National Preserve (TAPR)
San Antonio Missions National Historical Park (SAAN)
Ozark National Scenic Riverways (OZAR)
North Cascades National Park (NOCA)
Sleeping Bear Dunes National Lakeshore (SLBE)
Petersburg National Battlefield (PETE)
Stones River National Battlefield (STRI)
Saratoga National Historical Park (SARA)
Mojave National Preserve (MOJA)
Voyageurs National Park (VOYA)
Oregon Caves National Monument (ORCA)
Rainbow Bridge National Monument (RABR)
Theodore Roosevelt National Park (THRO)
Suitland Parkway (SUIT)
Morristown National Historical Park (MORR)
White Sands National Park (WHSA)
Mount Rushmore National Memorial (MORU)
Tumacacori National Historical Park (TUMA)
Yucca House National Monument (YUHO)
Scotts Bluff National Monument (SCBL)
Pecos National Historical Park (PECO)
Rocky Mountain National Park (ROMO)
Saint Croix National Scenic Riverway (SACN)
Walnut Canyon National Monument (WACA)
Tuzigoot National Monument (TUZI)
Monocacy National Battlefield (MONO)
Pipestone National Monument (PIPE)
Pea Ridge National Military Park (PERI)
Missouri National Recreational River (MNRR)
Petroglyph National Monument (PETR)
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)
Obed Wild and Scenic River (OBRI)
Navajo National Monument (NAVA)
Wind Cave National Park (WICA)
Montezuma Castle National Monument (MOCA)
Petrified Forest National Park (PEFO)
Mount Rainier National Park (MORA)
Valley Forge National Historical Park (VAFO)
Tonto National Monument (TONT)
Minute Man National Historical Park (MIMA)
Pictured Rocks National Lakeshore (PIRO)
Yellowstone National Park (YELL)
Wolf Trap National Park for the Performing Arts (WOTR)
Nez Perce National Historical Park (NEPE)
Timucuan Ecological and Historic Preserve (TIMU)
War in the Pacific National Historical Park (WAPA)
Washita Battlefield National Historic Site (WABA)
Padre Island National Seashore (PAIS)
Saguaro National Park (SAGU)
Shiloh National Military Park (SHIL)
Richmond National Battlefield Park (RICH)
New River Gorge National Park and Preserve (NERI)
Acadia National Park (ACAD)
Agate Fossil Beds National Monument (AGFO)
Amistad National Recreation Area (AMIS)
Antietam National Battlefield (ANTI)
Badlands National Park (BADL)
Apostle Islands National Lakeshore (APIS)
Aztec Ruins National Monument (AZRU)
Appalachian National Scenic Trail (APPA)
Bighorn Canyon National Recreation Area (BICA)
Cabrillo National Monument (CABR)
Casa Grande Ruins National Monument (CAGR)
Big Thicket National Preserve (BITH)
Buffalo National River (BUFF)
Bent's Old Fort National Historic Site (BEOL)
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)
Big Bend National Park (BIBE)
Black Canyon of the Gunnison National Park (BLCA)
Cape Lookout National Seashore (CALO)
Chattahoochee River National Recreation Area (CHAT)
Delaware Water Gap National Recreation Area (DEWA)
Cumberland Gap National Historical Park (CUGA)
Colonial National Historical Park (COLO)
Cuyahoga Valley National Park (CUVA)
Chickamauga and Chattanooga National Military Park (CHCH)
Curecanti National Recreation Area (CURE)
Chaco Culture National Historical Park (CHCU)
Fire Island National Seashore (FIIS)
Canaveral National Seashore (CANA)
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)
City Of Rocks National Reserve (CIRO)
Chickasaw National Recreation Area (CHIC)
Devils Tower National Monument (DETO)
Coronado National Memorial (CORO)
Effigy Mounds National Monument (EFMO)
Carlsbad Caverns National Park (CAVE)
Colorado National Monument (COLM)
Capulin Volcano National Monument (CAVO)
Crater Lake National Park (CRLA)
Ebey's Landing National Historical Reserve (EBLA)
Carl Sandburg Home National Historic Site (CARL)
Fort Point National Historic Site (FOPO)
Fort Frederica National Monument (FOFR)
Johnstown Flood National Memorial (JOFL)
Fort Union National Monument (FOUN)
Knife River Indian Villages National Historic Site (KNRI)
Fort Laramie National Historic Site (FOLA)
Manassas National Battlefield Park (MANA)
Fort Caroline National Memorial (FOCA)
Lake Roosevelt National Recreation Area (LARO)
Martin Van Buren National Historic Site (MAVA)
Kalaupapa National Historical Park (KALA)
Grand Canyon National Park (GRCA)
Isle Royale National Park (ISRO)
Fort Vancouver National Historic Site (FOVA)
Mesa Verde National Park (MEVE)
Homestead National Historical Park (HOME)
Fort Donelson National Battlefield (FODO)
Mammoth Cave National Park (MACA)
Hot Springs National Park (HOSP)
Gettysburg National Military Park (GETT)
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)
Fort Pulaski National Monument (FOPU)
Herbert Hoover National Historic Site (HEHO)
Hopewell Culture National Historical Park (HOCU)
Glacier National Park (GLAC)
Great Smoky Mountains National Park (GRSM)
Indiana Dunes National Park (INDU)
Fort Larned National Historic Site (FOLS)
Guilford Courthouse National Military Park (GUCO)
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)
Fort Bowie National Historic Site (FOBO)
Little River Canyon National Preserve (LIRI)
Kenilworth Park and Aquatic Gardens (KEAQ)
George Washington Birthplace National Monument (GEWA)
Fort Union Trading Post National Historic Site (FOUS)
Fort Sumter National Historical Park (FOSU)
Joshua Tree National Park (JOTR)
Gila Cliff Dwellings National Monument (GICL)
John Day Fossil Beds National Monument (JODA)
Grand Portage National Monument (GRPO)
Kennesaw Mountain National Battlefield Park (KEMO)
Hopewell Furnace National Historic Site (HOFU)
George Washington Memorial Parkway (GWMP)
Great Falls Park (GRFA)
First State National Historical Park (FRST)
Gulf Islands National Seashore (GUIS)
Mississippi National River and Recreation Areas (MISS)
Yosemite National Park (YOSE)
Organ Pipe Cactus National Monument (ORPI)
Thomas Stone National Historic Site (THST)
Tallgrass Prairie National Preserve (TAPR)
San Antonio Missions National Historical Park (SAAN)
Ozark National Scenic Riverways (OZAR)
North Cascades National Park (NOCA)
Sleeping Bear Dunes National Lakeshore (SLBE)
Petersburg National Battlefield (PETE)
Stones River National Battlefield (STRI)
Saratoga National Historical Park (SARA)
Mojave National Preserve (MOJA)
Voyageurs National Park (VOYA)
Oregon Caves National Monument (ORCA)
Rainbow Bridge National Monument (RABR)
Theodore Roosevelt National Park (THRO)
Suitland Parkway (SUIT)
Morristown National Historical Park (MORR)
White Sands National Park (WHSA)
Mount Rushmore National Memorial (MORU)
Tumacacori National Historical Park (TUMA)
Yucca House National Monument (YUHO)
Scotts Bluff National Monument (SCBL)
Pecos National Historical Park (PECO)
Rocky Mountain National Park (ROMO)
Saint Croix National Scenic Riverway (SACN)
Walnut Canyon National Monument (WACA)
Tuzigoot National Monument (TUZI)
Monocacy National Battlefield (MONO)
Pipestone National Monument (PIPE)
Pea Ridge National Military Park (PERI)
Missouri National Recreational River (MNRR)
Petroglyph National Monument (PETR)
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)
Obed Wild and Scenic River (OBRI)
Navajo National Monument (NAVA)
Wind Cave National Park (WICA)
Montezuma Castle National Monument (MOCA)
Petrified Forest National Park (PEFO)
Mount Rainier National Park (MORA)
Valley Forge National Historical Park (VAFO)
Tonto National Monument (TONT)
Minute Man National Historical Park (MIMA)
Pictured Rocks National Lakeshore (PIRO)
Yellowstone National Park (YELL)
Wolf Trap National Park for the Performing Arts (WOTR)
Nez Perce National Historical Park (NEPE)
Timucuan Ecological and Historic Preserve (TIMU)
War in the Pacific National Historical Park (WAPA)
Washita Battlefield National Historic Site (WABA)
Padre Island National Seashore (PAIS)
Saguaro National Park (SAGU)
Shiloh National Military Park (SHIL)
Richmond National Battlefield Park (RICH)
New River Gorge National Park and Preserve (NERI)
