Flower ID: IMG_2625.JPG-07-07-2024 Flower name (scientific): Spirodela polyrhiza (Linnaeus) Schleiden PY: 1839. Pronunciation guide: (phonetic spelling) spy-roh-DEL-uh pol-ee-RY-za (or pol-ee-RY-zus) Flower name (common): Greater Duckweed Family name (common): Arum Family name (scientific): Araceae Scientific name origin: Genus: Specific epithet: Latin for with many roots. Common name origin: Flower description: Size: 0.04 to 0.06 inches (1 to 1.5 mm) this is a rough estimate. Petal count: 0 (rarely in flower, when it is, there are no petals). Color: green Other: flower arrangement, None Plant description: Size: 0.08 to 0.4 inches (2 to 10 mm) this is the size of the fronds. Stem hairy: Other: Leaf description: Fronds are fused together, type is simple Size: Color: Hairy: Other: Shape: leaf, leaves are called fronds, which are obovate to circular (FNA) Origin (native, introduced, invasive): Native Status (common, uncommon, threatened, rare): Common Bloom time (typical): July to September Cycle (annual, biennial, perennial): Perennial Habitat: Fruit: Seed: Importance to wildlife: Similar species (if any): Ethnobotany: Latitude: Longitude: Altitude: Distribution: In Wisconsin: (Adams, Ashland, Barron, Bayfield, Brown, Buffalo, Burnett, Calumet, Chippewa, Clark, Columbia, Crawford, Dane, Dodge, Douglas, Eau Claire, Fond du Lac, Forest, Grant, Green, Iron, Jackson, Jefferson, Juneau, Kenosha, La Crosse, Lafayette, Langlade, Lincoln, Marathon, Marinette, Marquette, Menominee, Milwaukee, Monroe, Oconto, Oneida, Outagamie, Ozaukee, Pepin, Pierce, Polk, Portage, Price, Racine, Richland, Rock, Rusk, Sauk, Sawyer, Shawano, Sheboygan, St. Croix, Taylor, Trempealeau, Vernon, Vilas, Walworth, Washburn, Waukesha, Waupaca, Waushara, Winnebago, Wood) Click here for distribution map In US: (AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY) Click here for distribution map In Canada: (AB, BC, MB, NB, NS, ON, PE, QC, SK) Click here for distribution map References: Synonym(s): Basionym: Homotypic Synonym(s): Heterotypic Synonym(s): Autonym(s): Wetland Status (NC): OBL Wetland Status (MW): OBL