Carex squarrosa habitat and perigynium dissection. For context, see: Carex squarrosa species page and Carex Interactive Identification Key.

Carex davisii habitat, habit, and perigynium dissection to expose achene. For context, see: Carex davisii species page and Carex Interactive Identification Key.

Carex oligosperma habit and perigynium dissection. For context, see: Carex oligosperma species page and Carex Interactive Identification Key.

Carex communis habit. For context, see: Carex communis species page and Carex Interactive Identification Key.