Landoltia punctata
Landoltia punctata
(dotted duckweed)
Plants
Exotic
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7 results for Landoltia punctata (dotted duckweed)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1437424 CAMontereyMonterey Naval Post Graduate School - on lake - Monterey Peninsula1983 18060015 Monterey Bayestablished
230876 CASan DiegoN. Twin Oaks, Valley, pond e. side N. Twin Oaks Valley Rd, 2.4 km n. of junction w/ Hwy. S-121983 18070303 San Luis Rey-Escondidoestablished
1437141 CASan DiegoNorth Twin Oaks Valley Road -- 2.4 kilometers N of junction with Highway S-12.1983 18070303 San Luis Rey-Escondidoestablished
228947 GALibertySt. Catherines Island, north end of Island.1983 03060204 Ogeechee Coastalestablished
229607 KYBallardBallard County1983 08010100 Lower Mississippi-Memphisestablished
233503 LACameronaround pond at Lacassine National Wildlife Refuge headquarters south of LA 3056 and SW of Lake Arthur; section 16, T12S, R5W1983 08080202 Mermentauestablished
233498 SCCalhounFloating in large mats of Azolla with S. polyrhiza; Stump Hole Swamp, 1.5 miles east of Stump Hole Landing, Lake Marion1983 03050111 Lake Marionestablished

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/7/2025].

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