Specimen Information

Persicaria hydropiper
(marshpepper knotweed)
Plants
Exotic

Specimen ID1441876
GroupPlants
GenusPersicaria
Specieshydropiper
Common Namemarshpepper knotweed
StateCA
CountyShasta
Localityjunction of river and Hat Creek (Hwy 299); Pit River
Mapping AccuracyAccurate
HUC8 NameLower Pit
HUC8 Number18020003
HUC10 NameTown of Pittville-Pit River
HUC10 Number1802000308
HUC12 NameChalk Reservoir-Pit River
HUC12 Number180200030805
Map
+
Collection Day19
Collection Month7
Collection Year1949
Year AccuracyActual
Potential Pathwaydispersed
Statusestablished
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
CommentsCalflora observation ID: cch:UC1192346
Record TypeLiterature
DisposalUC
Museum Cat NumberUC1192346
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. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [3/7/2021].

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.