]> [author note: Herbarium and types: MO; additional material at BM, E, K,] [collector note: Original collections (mainly North America): MO, Canada: BM?, E, K (r. 169-73), NA (plants from E. Canada)] Botany Watt, David Allan Poe Watt, David Allan Poe D. A. P. Watt Watt David Allan Poe Watt 1830 1917