Egeria densa
Egeria densa
(Brazilian waterweed)
Plants
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

14 results for Egeria densa (Brazilian waterweed)
Download Data
Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1889138 CAAlameda[No locality description provided]2025 18050004 San Francisco Bay 
1889783 CAFresno[No locality description provided]2025 18040001 Middle San Joaquin-Lower Chowchilla 
1889068 CAHumboldt[No locality description provided]2025 18010102 Mad-Redwood 
1892198 CAHumboldt[No locality description provided]2025 18010102 Mad-Redwood 
1889553 CAMarin[No locality description provided]2025 18050005 Tomales-Drake Bays 
1889977 CAMarin[No locality description provided]2025 18050005 Tomales-Drake Bays 
1890391 CAMendocino[No locality description provided]2025 18010103 Upper Eel 
1889461 CASacramento[No locality description provided]2025 18020111 Lower American 
1889294 CASacramento[No locality description provided]2025 18020163 Lower Sacramento 
1889654 CASacramento[No locality description provided]2025 18020163 Lower Sacramento 
1892159 CASacramento[No locality description provided]2025 18020163 Lower Sacramento 
1889555 CASonoma[No locality description provided]2025 18050002 San Pablo Bay 
1889575 CASonoma[No locality description provided]2025 18050002 San Pablo Bay 
1889579 CASonoma[No locality description provided]2025 18050002 San Pablo Bay 

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 [2/17/2026].

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