Specimen Information

Cyperus difformis
(smallflower umbrella sedge)
Plants
Exotic

Specimen ID1438725
GroupPlants
GenusCyperus
Speciesdifformis
Common Namesmallflower umbrella sedge
StateCA
CountyYolo
Localityca. 10 airmiles w. Woodland (1.5 mi. n. of Madison, Cache Creek at Rd. 89 crossing just w. of I-505, e. of gravel pits); Sacramento Valley, Cache Creek
Mapping AccuracyAccurate
HUC8 NameUpper Cache
HUC8 Number18020116
HUC10 NameLower Cache Creek
HUC10 Number1802011607
HUC12 NameGoodnow Slough-Cache Creek
HUC12 Number180201160704
Map
+
Collection Day21
Collection Month10
Collection Year1988
Year AccuracyActual
Potential Pathwayplanted ornamental
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:UC1563963
Record TypeLiterature
DisposalUC
Museum Cat NumberUC1563963
Freshwater/MarineFreshwater


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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [5/20/2024].

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