Used for

• Bent spike-rush
• Bent spikerush
• Canada spikerush
• Canada spikesedge
• Capitate spikerush
• Eleocharis capitata
• Eleocharis caribaea
• Geniculate spikerush
• Knee spikerush
• Scirpus caribaea
• Scirpus caribaeus
• Scirpus geniculata
• Scirpus geniculatus
• Spike-rush (Species)