Flower ID: IMG_7179.JPG-06-27-2021 Flower name (scientific): Sonchus asper subsp. asper (Linnaeus) Hill PY: 1769 Flower name (common): Spiny Sowthistle Family name (common): Aster Family name (scientific): Asteraceae Scientific name origin: Genus: Specific epithet: Common name origin: Flower description: Size: 0.5 to 1.0 inches ( 1.3 to 2.5 cm) Petal count: 11 Color: yellow Other: flower arrangement, Panicle Plant description: Size: 4 to 80 inches ( 10. to 203. cm) Stem hairy: Other: Leaf description: attachment is alternate, type is simple and lobed Size: Color: Hairy: Other: Shape: leaf, mid cauline spatulate or oblong to obovate or lanceolate (FNA), pinnatifid, or broadly lanceolate or oblanceolate (IL) Origin (native, introduced, invasive): Introduced Status (common, uncommon, threatened, rare): Common Bloom time (typical): July to October Cycle (annual, biennial, perennial): Annual Habitat: Fruit: Seed: Importance to wildlife: How to differentiate related subspecies: Ethnobotany: Latitude: Longitude: Altitude: Distribution: In Wisconsin: In US: In Canada: References: