]> [author note: Herbarium and types: G (Paraguay herbarium (35,000), second largest set at K (7075), other major sets at B (destroyed), P, S, W] Date of birth varies from 1858, 1861 to 1864. Botany Hassler, Emile Hassler, Emile E. Hassler Hassl. Hassler Emile Hassler Hassler, Emilio 1861 ? 1937