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Eleocharis macrostachya Britton. Subgenus: Eleocharis. Section: Eleocharis. Series: Eleocharis. Common name: Large Spikerush. Phenology: Jul-Oct. Habitat: Wet ditches, marshes, shorelines. Distribution: QC to AK south to WV, AL, MS, TX, CA, and Mexico; South America. Mapping is especially conjectural.

Origin/Endemic status: Native

Taxonomy Comments: See discussion of variation and informal variants in Smith et al. (2022).

Synonymy ⓘ: = Ar, Can, ETx1, FNA23, GrPl, Il, Mex, NS, POWO, Tx; < Eleocharis palustris (L.) Roem. & Schult. — C, K4, Mo1. Basionym: Eleocharis macrostachya Britton 1903

Links to other floras: = Eleocharis macrostachya - FNA23

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL (taxonomic split from wetland indicator species)
  • Eastern Mountains and Piedmont: OBL (taxonomic split from wetland indicator species)
  • Great Plains: OBL (taxonomic split from wetland indicator species)
  • Midwest: OBL (taxonomic split from wetland indicator species)
  • Northcentral & Northeast: OBL (taxonomic split from wetland indicator species)

Heliophily ⓘ: 9

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image of plant© Eric Keith, some rights reserved (CC BY-NC), uploaded by Eric Keith source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Eric Keith, some rights reserved (CC BY-NC), uploaded by Eric Keith source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Eric Keith, some rights reserved (CC BY-NC), uploaded by Eric Keith source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Paul Marcum source | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Matt Reala, some rights reserved (CC BY-NC), uploaded by Matt Reala source CC-BY-NC, permission granted to NCBG | Original Image ⭷

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Horticultural Information

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