Specimen Information

Persicaria hydropiper
(marshpepper knotweed)
Plants
Exotic

Specimen ID1692383
GroupPlants
GenusPersicaria
Specieshydropiper
Common Namemarshpepper knotweed
StateIL
CountyMcHenry
LocalityAlgonquin
Mapping AccuracyApproximate
HUC8 NameUpper Fox
HUC8 Number07120006
Map
+
Collection Day11
Collection Month9
Collection Year1912
Year AccuracyActual
Potential Pathwayunknown
Statusunknown
Reference 1
Ref. Number:27378
Author:Cranberg, C., and R. Keller
Date:2020
Title:Illinois Database of Aquatic Non-native Species
Publisher:School of Environmental Sustainability, Loyola University Chicago
Reference 2
Ref. Number:18407
Author:University of Minnesota
Date:2021
Title:J. F. Bell Museum of Natural History Herbarium (MIN)
Publisher:SEINet Data Portal
Volume:2009
Record TypeSpecimen
Museum Cat Number1194467
VerifierGreat Lakes Invasives Network
Freshwater/MarineFreshwater


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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/21/2024].

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.