World’s largest plant is a vast seagrass meadow in Australia


              This November 2018 photo provided by The University Of Western Australia shows part of the Posidonia australis seagrass meadow in Australia's Shark Bay. According to a report released on Wednesday, June 1, 2022, genetic analysis has revealed that the underwater fields of waving green seagrass are a single organism covering 70 square miles (180 square kilometers) through making copies of itself over 4,500 years. (Sahira Bell/The University Of Western Australia via AP)
            
              This June 2022 photo provided by The University Of Western Australia shows sampling efforts of the Posidonia australis seagrass meadow in Australia's Shark Bay. According to a report released on Wednesday, June 1, 2022, genetic analysis has revealed that the underwater fields of waving green seagrass are a single organism covering 70 square miles (180 square kilometers) through making copies of itself over 4,500 years. (Rachel Austin/The University Of Western Australia via AP)
            
              This October 2009 photo provided by The University Of Western Australia,  shows part of the Posidonia australis seagrass meadow at Peron Peninsula in Australia's Shark Bay. According to a report released on Wednesday, June 1, 2022, genetic analysis has revealed that the underwater fields of waving green seagrass are a single organism covering 70 square miles (180 square kilometers) through making copies of itself over 4,500 years. (Angela Rossen/The University Of Western Australia via AP)
            
              This August 2019 photo provided by The University Of Western Australia shows part of the Posidonia australis seagrass meadow in Australia's Shark Bay. According to a report released on Wednesday, June 1, 2022, genetic analysis has revealed that the underwater fields of waving green seagrass are a single organism covering 70 square miles (180 square kilometers) through making copies of itself over 4,500 years. (Rachel Austin/The University Of Western Australia via AP)
World’s largest plant is a vast seagrass meadow in Australia