Juncus minutulus
Juncus minutulus is a species of rush informally referred to as minute rush, dwarf toad rush and annual rush.
Description
An annual, resembling and easily confused with a tiny Juncus bufonius with all parts smaller and with flowers rarely opening : fruit capsule 2.5-3.0mm, stamens usually 3 instead of 6, anthers 1/4-1/3 x filaments, tepals usually shorter than 4mm, inner tepals acute, 0-1 stem leaves, 1–3cm long.J. bufonius also has cleistogamous forms that can very much resemble this in these features therefore all features should be examined carefully.
Range
Europe & North Asia, possibly cosmopolitan but reliable records are limited.Habitat
Similar to Juncus bufonius with which it may grow.Turkey: Wet or temporarily wet, usually open soil, 0–1800 m.
Spain: Wet pastures or those in temporarily flooded places, on somewhat saline soils; 0-2900m.
Istria: Wet roads, fields, ruderal regions.
Siberia: In wet lowlands, along banks of water reservoirs.