Carex pachystachya habit and perigynium dissection. For context, see: Carex Interactive Identification Key.

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

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

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