Common spike-rush

Eleocharis palustris

''Eleocharis palustris'', the common spike-rush, creeping spike-rush or marsh spike-rush, is a species of mat-forming perennial flowering plants in the sedge family Cyperaceae. It grows in wetlands in Europe, North Africa, northern and central Asia and North America . ''Eleocharis palustris'' is not easily distinguished from other closely related species and is extremely variable worldwide itself. The species epithet ''palustris'' is Latin for "of the marsh" and indicates its common habitat.
common spike rush Eleocharis palustris,Geotagged,Summer,United States

Naming

Numerous names have been proposed for subspecies and varieties. The following are recognized:

#''Eleocharis palustris'' subsp. ''iranica'' Kukkonen - Egypt, Turkey, Iran, Iraq, Afghanistan, Pakistan
#''Eleocharis palustris'' subsp. ''palustris'' - most of species range
#''Eleocharis palustris'' var. ''vigens'' L.H.Bailey - North America
#''Eleocharis palustris'' subsp. ''waltersii'' Bureš & Danihelka - Europe and Cyprus

References:

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Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassMonocots
OrderPoales
FamilyCyperaceae
GenusEleocharis
SpeciesE. palustris
Photographed in
United States of America