Flora of the Southeastern US

Eleocharis R. Brown. Spikerush, Spikesedge.

Contributed by Bruce A. Sorrie and Alan S. Weakley

A genus of about 120-200 species, herbs, cosmopolitan. A molecular study supported the monophyly of subgenus Limnochloa (Roalson & Friar 2000).

subgenus Eleocharis
section Eleocharis
series Eleocharis
subseries Eleocharis: erythropoda, fallax, halophila, palustris, smallii
subseries Truncatae: bifida, compressa, elliptica, intermedia, montevidensis, tenuis, tricostata, verrucosa
series Albidae: albida
series Melanocarpae: melanocarpa
series Rostellatae: rostellata
series Tenuissimae
subseries Chaetariae: baldwinii, brittonii, microcarpa var. filiculmis, microcarpa var. microcarpa, nigrescens, setifolia, tortilis, tuberculosa, vivipara
section Eleogenus
series Ovatae: engelmannii, obtusa, ovata
series Maculosae
subseries Ocreatae: flavescens, olivacea
subseries Rigidae: atropurpurea, geniculata
section Parvulae: parvula
subgenus Limnochloa
section Limnochloa: cellulosa, elongata, equisetoides, interstincta, quadrangulata, robbinsii
subgenus Scirpidium
section Scirpidium: acicularis, radicans

ID notes: "Scale" refers to the flower scales. "Sheath" refers to leaf sheaths. "Bristle" refers to perianth bristles.

Ref: Angelo, Rosen, & Lange (2020); Bruhl (2002a) In Flora of North America Editorial Committee (2002b); Brunton, Campbell, & Reznicek (2018); Gibbons & McMullen (2019); Goetghebeur In Kubitzki (1998b); Hinchliff & Roalson (2009); Roalson & Friar (2000); Rosen (2006); Rosen, Hatch, & Carter (2007); Smith et al. (2002) In Flora of North America Editorial Committee (2002b); Socorro González-Elizondo & Peterson (1997); Yashiro & Endo (2021). Show full citations.

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