Largest organism by area
The current largest organism by area record is 77 sq mi, held by Shark Bay seagrass (Posidonia australis). Last checked October 14, 2026.
77
sq mi
Shark Bay seagrass (Posidonia australis)
- Holder
- Shark Bay seagrass (Posidonia australis)
- Record
- 77 sq mi
- Metric
- 200 km²
- Exact figure
- About 200 km2 (77 sq mi)
- Location
- Shark Bay, Western Australia
- Last checked
- October 14, 2026
Sources
- Wikipedia Read the source
- guinnessworldrecords.com Largest living organism
- nhm.ac.uk Worlds largest plant australian seagrass clone
Spotted an error or a newer record? Use the form below with a source link.
Spotted something out of date?
Know a different record we're missing? Tip us off
Get an email when records fall
Every Monday: the world records that were broken or newly set that week. Unsubscribe any time.
More plants records
-
Plants 3,156 lb Heaviest pumpkin Ron Wallace · Warren, Rhode Island, USA See record ↗ -
Plants 3′ 7.7″ Largest single flower Rafflesia arnoldii · Sumatra and Borneo, Indonesia See record ↗ -
Plants 7,496 tons Heaviest organism Armillaria ostoyae (the Humongous Fungus) See record ↗ -
Plants 35.8 in Fastest-growing plant Bamboo · Asia See record ↗