Ruppia

Ruppia_maritima
Photo posted at ian.umces.edu

 

Ruppia_maritima
Photo posted at maltawildplants.com

 

Ruppia_maritima fruits still attached
Photo posted at jcho.masgc.org

 

Ruppia maritima flower 'after removing sheath', from Malibu State Beach, salt marsh, CA USA. Santa Monica Mountains Recreation Area. Photograph from National Park Service posted online.

Ruppia_maritima 'druplet' fruits, each containing a single seed
Photo posted at ars-grin.gov.nsh