Sporobolus purpurascens
Sporobolus purpurascens
(purple dropseed)
Native Transplant

96 results for Sporobolus purpurascens (purple dropseed)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
260232 BC Strait of Georgia2007 17110002 Strait of Georgiaestablished
228750 CA North and Central Coasts1994  established
238583 CAContra CostaPoint Pinole Regional Shoreline2004 18050002 San Pablo Bayestablished
1442252 CAContra CostaPoint Pinole Regional Shoreline at north end of Richmond, beach on north side Whittell Marsh1994 18050002 San Pablo Bayestablished
1442076 CAContra CostaPt. Pinole Regional Shoreline at north end of Richmond; northeast corner of park, near jct. Marsh Trail & Cook's Point Trail.1994 18050002 San Pablo Bayestablished
1440138 CADel Nortemarsh along beach Crescent City1949 18010101 Smithestablished
1442376 CAHumboldt1 mi. N of Samoa Bridge turnoff from Samoa Blvd., S of Manila1975 18010102 Mad-Redwoodestablished
1439890 CAHumboldtAcross US 101 from Murray Field, Humboldt Bay1964 18010102 Mad-Redwoodestablished
1442078 CAHumboldtAllen Marsh at Arcata Marsh and Wildlife Sanctuary1984 18010102 Mad-Redwoodestablished
238565 CAHumboldtArcata Bay, Humboldt Bay1860 18010102 Mad-Redwoodestablished
230347 CAHumboldtArcata Bay, Humboldt Bay1932 18010102 Mad-Redwoodestablished
260425 CAHumboldtArcata Bay, Humboldt Bay2009 18010102 Mad-Redwoodestablished
1442372 CAHumboldtArcata Marsh and Wildlife Sanctuary.1998 18010102 Mad-Redwoodestablished
1440321 CAHumboldtArcata, along Humboldt Bay.1965 18010102 Mad-Redwoodestablished
1442253 CAHumboldtBetween Highway 255 and tide zone, Humboldt Bay, north of Samoa.1988 18010102 Mad-Redwoodestablished
621471 CAHumboldtBracut2000 18010102 Mad-Redwoodestablished
272702 CAHumboldtBracut, Arcata Bay.2001 18010102 Mad-Redwoodestablished
1440200 CAHumboldtEast of Arcata-Samoa Road, 1.3 miles north of Samoa.1961 18010102 Mad-Redwoodestablished
228813 CAHumboldtEel River Delta1985 18010105 Lower Eelestablished
260423 CAHumboldtEel River Delta2009 18010105 Lower Eelestablished
621472 CAHumboldtEel River Wildlife Area2000 18010102 Mad-Redwoodestablished
1440323 CAHumboldtEureka Northern Coast Ranges (salt marsh at railroad station)1924 18010102 Mad-Redwoodestablished
621479 CAHumboldtEureka Slough site one2000 18010102 Mad-Redwoodestablished
621477 CAHumboldtEureka Slough site three2000 18010102 Mad-Redwoodestablished
621476 CAHumboldtEureka Slough site two2000 18010102 Mad-Redwoodestablished

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.


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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/18/2024].

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