Specimen Information

Persicaria hydropiper
(marshpepper knotweed)
Plants
Exotic

Specimen ID1441949
GroupPlants
GenusPersicaria
Specieshydropiper
Common Namemarshpepper knotweed
StateCA
CountySan Joaquin
LocalityAlong Airport Way, 2.6 miles south of junction of West Ripon road (ca. 7 miles southwest of Manteca), edge of muddy irrigation ditch
Mapping AccuracyAccurate
HUC8 NameSan Joaquin Delta
HUC8 Number18040003
HUC10 NameLone Tree Creek-San Joaquin River
HUC10 Number1804000302
HUC12 NameWalthall Slough-San Joaquin River
HUC12 Number180400030203
Map
+
Collection Day15
Collection Month9
Collection Year1971
Year AccuracyActual
Potential Pathwaydispersed
Statusestablished
Reference 1
Ref. Number:25610
Author:Calflora
Date:2021
Title:The Calflora Database: Information on California plants for education, research and conservation
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:SD131785
Record TypeLiterature
DisposalSD
Museum Cat NumberSD131785
Freshwater/MarineFreshwater


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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/2/2024].

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