Carex lachenalii; The Hare's-foot sedge is rather common in most regions of Iceland with the exception of cultivated areas and barren grounds. It can be recognized by the few spikes clustered on the top of the culm. Also characteristic is the top spike being larger than the spikes below. Male flowers are found on the bottom of all spikes. It is found on rather moist soils.
It is a member of the sedge family (Cyperaceae). The Icelandic name of this species is Rjúpustör.