Specimen Information

Potamogeton crispus × pusillus
(hybrid curly-leaved pondweed)
Plants
Native Hybrid

Specimen ID1703137
GroupPlants
GenusPotamogeton
Speciescrispus × pusillus
Common Namehybrid curly-leaved pondweed
StateCA
CountyContra Costa
LocalityFranks Tract State Recreation Area
Mapping AccuracyAccurate
HUC8 NameSan Joaquin Delta
HUC8 Number18040003
HUC10 NameMiddle River-San Joaquin River
HUC10 Number1804000309
HUC12 NameMiddle River-San Joaquin River
HUC12 Number180400030906
Map
+
Collection Day3
Collection Month10
Collection Year2018
Year AccuracyActual
Potential Pathwayhybridized
Statusfailed
Reference 1
Ref. Number:39368
Author:Jones, A.R., and R.A. Thum
Date:2021
Title:Molecular confirmation of hybridization with invasive curly-leaf pondweed (Potamogeton crispus) in the Sacramento–San Joaquin Delta, California
Journal:Journal of Aquatic Plant Management
Volume:59
Pages:1-6
CommentsFirst documented hybridization event between non-native Potamogeton crispus and native P. pusillus.
Record TypeLiterature
Earliest Recordnation
VerifierRyan A. Thum
Freshwater/MarineFreshwater
Specimen ImpactHybridization


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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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [5/26/2024].

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