Acorus calamus
Acorus calamus
(single-vein sweetflag)
Plants
Exotic
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9 results for Acorus calamus (single-vein sweetflag)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1654963 MDBaltimoreWoodstock, MD 21163, USA2020 02060003 Gunpowder-Patapscoestablished
1655010 MDDorchester3, Vienna, MD, USA2020 02080109 Nanticokeestablished
1654990 MDFrederickAmys Terr, Mount Airy, MD, US2020 02070009 Monocacyestablished
1654971 MDHarfordAbingdon, MD 21009, USA2020 02060003 Gunpowder-Patapscoestablished
1654972 MDHarfordAbingdon, MD 21009, USA2020 02060003 Gunpowder-Patapscoestablished
1651699 NCWakePowell Drive Park2020 03020201 Upper Neuseestablished
1674670 OKWoodward[No locality description provided]2020 11100301 Middle North Canadian 
1654773 VALexingtonRoss Rd, Lexington, VA, US2020 02080202 Mauryestablished
1654802 VARichmondBelle and Mayo Islands, Richmond, VA, USA2020 02080205 Middle James-Willisestablished

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.

Disclaimer:

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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [3/11/2026].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.