| Definition | Species name. | ID of the collection. | ID of the seed within the collection. | Seed length (mm; precision, 0.01 mm). | Seed width (mm; precision, 0.01 mm). | Seed height (mm; precision, 0.01 mm). | Dry weight of single seed (mg; precision, 0.1 mg). | A unit of measurement for seed mass (single or multi). “multi” indicates that several seeds were weighed together because the seeds were small. |