Juncus heldreichianus is a large tufted species of rush in the family Juncaceae, formed of two subspecies.

heldreichianus are usually long and narrow, appearing stretched-out, with well-spaced lax floral heads (therefore resembling J. maritimus, which however usually forms creeping patches), whilst for subsp.

[2][3] Species - Albania, Cyprus, East Aegean Is., Greece, Iran, Kriti, Lebanon-Syria, Tadzhikistan, Transcaucasus, Turkey, Turkey-in-Europe, Turkmenistan.

heldreichianus - Albania, Cyprus, East Aegean Is., Greece, Kriti, Turkey, Turkey-in-Europe.

orientalis - Permanently or seasonally wet places, slightly to strongly saline habitats, known from sites between 800 and 1700 m.[2]