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Hypochaeris radicata L.
Hairy cats ear; Hypochoeris radicata

Life   Plantae   Dicotyledoneae   Asteraceae   Hypochaeris

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Hypochaeris radicata, Cats Ear
© Copyright Sheryl Pollock 2011 · 8
Hypochaeris radicata, Cats Ear
Hypochaeris radicata
© Les Mehrhoff, 2008-2010 · 7
Hypochaeris radicata

Hypochaeris radicata, Cats ear leaves
© Copyright Sheryl Pollock 2011 · 6
Hypochaeris radicata, Cats ear leaves
Hypochaeris radicata, Cats ear
© Copyright Sheryl Pollock 2011 · 4
Hypochaeris radicata, Cats ear

Hypochaeris radicata
© Copyright Malcolm Storey 2011-2118 · 3
Hypochaeris radicata
Hypochaeris radicata
© Copyright Malcolm Storey 2011-2118 · 3
Hypochaeris radicata

Hypochaeris radicata
© Copyright Malcolm Storey 2011-2118 · 3
Hypochaeris radicata
Hypochaeris radicata
© Copyright Malcolm Storey 2011-2118 · 3
Hypochaeris radicata

Hypochaeris radicata
© Copyright Malcolm Storey 2011-2118 · 3
Hypochaeris radicata
Hypochaeris radicata
© Copyright Malcolm Storey 2011-2118 · 3
Hypochaeris radicata

Hypochaeris radicata
© Copyright Malcolm Storey 2011-2118 · 3
Hypochaeris radicata
Hypochaeris radicata
© Copyright Malcolm Storey 2011-2118 · 3
Hypochaeris radicata

Hypochaeris radicata
© Copyright Malcolm Storey 2011-2118 · 3
Hypochaeris radicata
Hypochaeris radicata
© Copyright Malcolm Storey 2011-2118 · 3
Hypochaeris radicata

Associates · map
FamilyScientific name @ source (records)
Agaricaceae  Phoma albicans @ BPI (1)
Andrenidae  Andrena nasonii @ UCMS_ENT (1)

Andrena spiraeana @ UCMS_ENT (1)
Aphididae  Macrosiphum ( @ AMNH_PBI (3)

Myzus ( @ AMNH_PBI (1)

Uroleucon ( @ NCSU (4)
Apidae  Bombus bimaculatus @ UCMS_ENT (1)

Bombus melanopygus @ EMEC (1)

Bombus perplexus @ UCMS_ENT (1)

Bombus vagans @ UCMS_ENT (1)

Ceratina calcarata @ MLSB__N16- (2)

Ceratina dupla @ UCMS_ENT (5)

Melissodes druriella @ UCMS_ENT (13)

Melissodes lupina @ BBSL (1)

Triepeolus pectoralis @ UCMS_ENT (11)
Colletidae  Colletes hyalinus @ AMNH_BEE (1)

Colletes simulans @ UCMS_ENT (1)
Diaporthaceae  Phomopsis albicans @ BPI (4)
Erysiphaceae  Erysiphe cichoracearum @ BPI (2)

Erysiphe lamprocarpa @ BPI (1)
Halictidae  Agapostemon sericeus @ UCMS_ENT (1)

Agapostemon virescens @ UCMS_ENT (10)

Augochlorella aurata @ UCMS_ENT (3)

Halictus ligatus @ UCMS_ENT (13)

Lasioglossum ( @ MLSB__N16- (1)

Lasioglossum coriaceum @ UCMS_ENT (1)

Lasioglossum leucozonium @ UCMS_ENT (17); UCRC_ENT (1)

Lasioglossum pectorale @ UCMS_ENT (2)

Lasioglossum pilosum @ UCMS_ENT (2)

Lasioglossum zephyrum @ UCMS_ENT (1)

Sphecodes davisii @ UCMS_ENT (1)
Megachilidae  Megachile centuncularis @ UCMS_ENT (1)

Megachile mendica @ UCMS_ENT (2)
Mycosphaerellaceae  Ramularia hypochoeridis @ BPI (2)
Pleosporaceae  Pleospora media @ BPI (2)
Protomycetaceae  Protomyces pachydermus @ BPI (1)
Pucciniaceae  Puccinia hieracii @ BPI (32)

Puccinia hypochoeridis @ BPI (5)
Syrphidae  Toxomerus geminatus @ MLSB__N16- (1)

Toxomerus marginatus @ MLSB__N16- (1)

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Following modified from Flora of Taiwan, National Taiwan University
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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Hypochaeris radicata L. Spotted Cat's-ear
Asteraceae — Aster family
Hypochaeris radicata
Port Penn Wetlands Trail
June 2003

Search Google Delaware USDA

Photos copyright David G. Smith

Delaware Wildflowers main page

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Following modified from Malezas de Mexico, CONABIO
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http://conabioweb.conabio.gob.mx/malezasdemexico/asteraceae/hypochaeris-radicata/FICHAS/0PAGINA1.HTM ---> http://www.conabio.gob.mx/institucion/notfound/doctos/notfound.html

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Following modified from Taiwan Biodiversity National Information Network
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Kingdom Plantae  
 Phylum Tracheophyta  
 Class Magnoliopsida  
 Order Asterales  
 Family Asteraceae  
 Genus Hypochaeris  
  Hypochaeris radicata    L. 
Provider: Ching-I Peng 
hierarchy tree    download xml    download txt    Chinese Page    
Synonyms: Achyrophorus radicatus Achyrophorus taraxacifolius Apargia serotina Barkhausia radicata Hypochaeris atlantica Hypochaeris infesta Hypochaeris lasiophylla Hypochaeris neapolitana Hypochaeris radicata erostris Hypochaeris radicata neapolitana Hypochaeris radicata radicata details
Citation: Flora of Taiwan 2nd ed. 4: 991, 1998; 台灣入侵及外來種圖鑑, 林業試驗所 2005
Name Code: 202505
Suggested Link    Discover Life    Flora of Taiwan 2nd eBooks (National Taiwan University)    Global Invasive Species Database (GISD)    Nature Campus  
User Response:   upload Comments    upload Photo
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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=HYRA3 ---> https://plants.usda.gov/java/profile?symbol=HYRA3
https://plants.usda.gov/java/profile?symbol=HYRA3 ---> http://plants.usda.gov/core/profile?symbol=HYRA3
http://plants.usda.gov/core/profile?symbol=HYRA3 ---> https://plants.usda.gov/core/profile?symbol=HYRA3
Link: Skip repetitive navigation links
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Hypochaeris radicata L.
hairy cat's ear

Image of Hypochaeris radicata

General Information
Symbol: HYRA3
Group: Dicot
Family: Asteraceae
Duration: Perennial
Growth Habit : Forb/herb
Native Status : AK   I
HI   I
L48   I
Other Common Names: hairy catsear
Data Source and Documentation
About our new maps
Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   


click on a thumbnail to view an image, or see all the Hypochaeris thumbnails at the Plants Gallery

Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory . Chile, Victoria. Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 3: 309. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .




Click on a scientific name below to expand it in the PLANTS Classification Report.
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 Asteridae
Order Asterales
Family Asteraceae ⁄ Compositae – Aster family
Genus Hypochaeris L. – cat's ear
Species Hypochaeris radicata L. – hairy cat's ear

Subordinate Taxa

This plant has no children

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 .
Washington common catsear Class B noxious weed
U.S. Weed Information
Hypochaeris radicata common cat's-ear false dandelion frogbit gosmore hairy cat's ear spotted catsear 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.
STATE Assorted authors. State noxious weed lists for 46 states . State agriculture or natural resource departments.
HEAR USDI, Geological Survey. 1999. Information index for selected alien plants in Hawaii (20 October 2003). Hawaiian Ecosystems at Risk Project, Biological Resources Division, Haleakala Field Station. Makawao, Hawaii.
WSWS Whitson, T.D. (ed.) et al.. 1996. Weeds of the West . Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming. Laramie, Wyoming.

Wetland Status

Interpreting Wetland Status

Top Level Regions
Hawaii FACU
North America
Alaska UPL
Arid West FACU
Atlantic and Gulf Coastal Plain UPL
Eastern Mountains and Piedmont UPL
Great Plains UPL
Midwest FACU
Northcentral & Northeast FACU
Western Mountains, Valleys, and Coast FACU

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (HYRA3)
CalPhotos (HYRA3)
Integrated Taxonomic Information System (HYRA3)
Jepson Interchange (University of California - Berkeley) (HYRA3)
USF Atlas of Florida Vascular Plants (HYRA3)
University of Tennessee Herbarium (Distribution) (HYRA3)
University of Washington Burke Museum (HYRA3)
University of Wisconsin - Stevens Point Freckmann Herbarium (HYRA3)
Related Websites
Environment Canada, Canadian Wildlife Service: abstract & illustration (HYRA3)
GU-Plant Threats to Pacific Ecosystems (HYRA3)
UC Davis, IPM: abstract & images (HYRA3)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

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