Many in flower in seasonally dry part of meadow
Muck pocket on a floating mat dominated by carex lasiocarpa. Likely a poor fen
Fairly common as a colonist on exposed sand and clay in receding lake bed of Lake Travis. This is presumed to be an annual, densely tufted and only about 5" high.
Partially keyed out and IDed by comparing notes on habit, habitat, size, spikelet shape, etc.
Compare with images at: CalPhotos.
BRIT Family: Cyperaceae Section: m
Observed by Aaron Schad, LAERF
Aaron suggests this as Eleocaris acicularis (ETX Flora range map p584). However, range map for E. parvula (ETX Flora range map p604) shows E. parvula in adjacent Tarrant County but not Dallas County.
Extensive areas growing in up up to ~1m deep water, around edge of Lake Mahinapua.
Eleocharis is a genus of 250 or more species of flowering plants in the sedge family, Cyperaceae. The name is derived from the Greek words ἕλειος (heleios), meaning "marsh dweller," and χάρις (charis), meaning "grace." Members of the genus are known commonly as spikerushes, although spikesedges is a more technically appropriate name and most scientists who study them in earnest refer to them as such. The genus has a geographically cosmopolitan distribution, with centers of diversity...