Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Pilosella officinarum
FAMILY
Asteraceae_
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Read more about Mouse-ear Hawkweed at Vascular Plants of North Carolina.
INCLUDING
PLANTS NATIONAL DATABASE:
Hieracium pilosella var. pilosella
FAMILY
Asteraceae_
SYNONYMOUS WITH Flora of North America
Hieracium pilosella
SYNONYMOUS WITH New treatment of Pilosella for EuroMediterranean flora (Brautigam & Greuter, 2007)
Pilosella officinarum
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-10-001:
Hieracium pilosella FAMILY Asteraceae_
COMMON NAME:
Mouse-ear Hawkweed
To see larger pictures, click or hover over the thumbnails.
)
JK Marlow jkm180214_0275
February Greenville County SC
)
JK Marlow jkm210422_9619
April Greenville County SC
)
JK Marlow jkm210422_9622
April Greenville County SC
Involucres 7-12mm long, clothed with black trichomes and stipitate glands, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm210423_9757
April Greenville County SC
)
JK Marlow jkm210423_9759
April Greenville County SC
)
JK Marlow jkm210423_9760
April Greenville County SC
)
JK Marlow jkm210423_9766_stolons
April Greenville County SC
)
JK Marlow jkm210423_9767
April Greenville County SC
)
JK Marlow jkm190503_8065
May Greenville County SC
)
JK Marlow jkm090607_050
June Transylvania County NC
Blue Ridge Parkway
Nutlets lustrous black, columnar, 2-2.3mm long; pappus 4-6mm long, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm090607_083
June Transylvania County NC
Blue Ridge Parkway
COMPARE
involucral bracts of DYCs with ray flowers only (no disc)
)
JK Marlow jkm210626_1695
June Oconee County SC
)
JK Marlow s090607_03
June Transylvania County NC
Blue Ridge Parkway
Leaves oblanceolate to elliptic-oblanceolate, leaf base cuneate to attenuate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm060813_138
August Haywood County NC
Blue Ridge Parkway
Leaves basal, white woolly beneath, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
)
JK Marlow jkm180805_3665
August Greenville County SC
)
JK Marlow jkm180820_3916
August Greenville County SC
)
JK Marlow jkm080928_021
September Jackson County NC
Blue Ridge Parkway
)
JK Marlow jkm170906_0391
September Greenville County SC
Rarely more than one flower head per scape, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm170906_0393
September Greenville County SC
)
JK Marlow jkm170906_0398
September Greenville County SC
Rays light yellow and 5-toothed, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm170906_0401
September Greenville County SC
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Pilosella officinarum
FAMILY
Asteraceae_
INCLUDING
PLANTS NATIONAL DATABASE:
Hieracium pilosella var. pilosella
FAMILY
Asteraceae_
SYNONYMOUS WITH
Flora of North America
Hieracium pilosella
SYNONYMOUS WITH
New treatment of Pilosella for EuroMediterranean flora (Brautigam & Greuter, 2007)
Pilosella officinarum
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-10-001:
Hieracium pilosella
FAMILY
Asteraceae_
1948
Forb
Perennial
Habitat: Pastures, roadsides, disturbed areas, per Weakley's Flora
Non-native: Europe
Uncommon in NC Mountains (rare elsewhere in GA-NC-SC)
Click here to see a map, notes, and images from Weakley's Flora of the Southeastern US.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
This plant may be causing problems in natural areas outside its native range, according to authorities such as:
DOES THE PLANT HAVE "MILKY SAP"?
Has milky sap (latex)
LEAVES:
Simple
Basal rosette & leafy stolons
FLOWER:
Spring/Summer
Rays: Light yellow
Disc: Absent
Ray flowers bisexual
Inferior ovary
FRUIT:
Spring/Summer
Black
Achene
TO LEARN MORE about this plant, look it up in a good book!
- Invasive Plants, Guide to Identification, Impacts and Control (Kaufman & Kaufman, 2007) p238
- New Invaders of the Southeast (Rawlins et al., 2018) p091
- Newcomb's Wildflower Guide (Newcomb, 1977) p360
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p136
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p359
- Wildflowers of the Southern Mountains (Smith, 1998) p175