Carex appressa occurs in swamps, watercourses, and occasionally in water,

Carex appressa is a densely tufted, perennial sedge that forms clumps up to 50 cm (20 in) in diameter. Its stems grow to around 100 cm (39 in) in height, and are hard and solid, becoming rough towards the top of the stem. Its leaves are 3–6 mm (0.12–0.24 in) wide, are rough on the margins, and grow mostly out of the base of the plant.

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Notes on Maps.

Generally, the concentrated clusters of markers represent the geographical range where this species occurs naturally. Outlying markers and geographically disassociated markers represent observations of the species in cultivation and/or recorded in herbaria etc.
 

Acknowledgment.

These maps are provided by, and are used with the permission of,  Australia’s Virtual Herbarium (AVH)