Specimen Information

Egeria densa
Egeria densa
(Brazilian waterweed)
Plants
Exotic

Specimen ID1440669
GroupPlants
GenusEgeria
Speciesdensa
Common NameBrazilian waterweed
StateCA
CountyContra Costa
LocalityBethel Island ne of Brentwood (e end of Gateway Road at w edge of Franks Tract State Recreation Area, ne Contra Costa County); Bethel Island, Franks Tract State Recreation Area
Mapping AccuracyAccurate
HUC8 NameSan Joaquin Delta
HUC8 Number18040003
HUC10 NameMiddle River-San Joaquin River
HUC10 Number1804000309
HUC12 NameJersey Island-Taylor Slough
HUC12 Number180400030905
Map
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Collection Day16
Collection Month9
Collection Year1990
Year AccuracyActual
Potential Pathwayunknown
Statusunknown
Reference 1
Ref. Number:25610
Author:West, R., J. Malpas, C. Powell, M. Tollett, D. Anderson, and E. Dorrington.
Date:2019
Title:Calflora
Reference 2
Ref. Number:16045
Author:Alexander, J., S. Markos, J. Yost, R.L. Moe, E. Dean, and M. Nazaire.
Date:2016
Title:Consortium of California Herbaria (CCH)
Publisher:Regents of the University of California
Comments; Calflora report
Record TypeLiterature
DisposalUC
Museum Cat NumberUC1618316
Freshwater/MarineFreshwater
Number Collected2


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. [2019]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/9/2019].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted. For queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.