Specimen Information

Carex disticha
Carex disticha
(tworank sedge)
Plants
Exotic

Specimen ID1418798
GroupPlants
GenusCarex
Speciesdisticha
Common Nametworank sedge
StateMA
CountyDukes
LocalitySengekontacket Pond, W shore, Felix Neck Wildlife Sanctuary, Martha's Vinyard, Edgartown
Mapping AccuracyAccurate
HUC8 NameCape Cod
HUC8 Number01090002
HUC10 NameElizabeth Islands-Marthas Vineyard
HUC10 Number0109000206
HUC12 NameEastern Island-Frontal Nantucket Sound
HUC12 Number010900020601
Map
+
Collection Day1
Collection Month7
Collection Year2016
Year AccuracyActual
Potential Pathwayhitch hiker on packing material | hitch hiker on plants
Statusestablished
Reference 1
Ref. Number:30579
Author:Palermo, G., M. Curtin, and A. Reznicek.
Date:2017
Title:Carex disticha (Cyperaceae) Newly Reported For the United States
Journal:Rhodora
Volume:119
Issue:978
Pages:174-177
Reference 2
Ref. Number:30580
Author:Ewing, V.
Date:2017
Title:Rare Plant Find on Martha's Vineyard Is First for United States
Publisher:Vinyard Gazette
CommentsFirst discovery in the U.S. They are numerous in an area measuring approximately 9X4 meters, most of it shaded. Flowering stems are present only at the edge of the population, where abundant light is available. Companion plants include Quercus velutina Lam., Baccharis halimifolia L., Viburnum dentatum L., Parthenocissus quinquefolia (L.) Planch., Euthamia graminifolia (L.) Nutt., Solidago sempervirens L. and the exotic Celastrus orbiculatus Thunb.
Record TypeLiterature
Earliest Recordnation
DisposalPHA, NEBC, MICH
VerifierAnton Reznicek, Univ. of Michigan
Freshwater/MarineBrackish
Year ClassFlower
Size36 sq m


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Citation information: U.S. Geological Survey. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [9/25/2022].

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