]> "Index Herbariorum - Collectors E-H" cited the middle name as "Karl" [author note: Herbarium and types: L; additional specimens at B, BO, H, K, NY] Botany Hasskarl, Justus Carl Hasskarl, Justus Carl J. C. Hasskarl Hassk. Hasskarl Hasskarl, Justus Karl Justus Carl Hasskarl 1811 1894