]> [collector note: Under command of Capt. Charles Wilkes (1798-1877) (to the Pacific Ocean). AMES, BPI, GH, FH (orig. diatoms J. W. Bailey), K, LE (176), MO, NY, P, PH?, US (very extensive collection), W (incl. Orch. and alg.). Plant collections made by the botanistsWilliam Dunlop Brackenridge, Charles Pickering and William Rich. "Probably some 50,000 specimens" (TL2)] Botany U. S. Exploring Expedition (to the Pacific Ocean) U. S. Exploring Expedition (to the Pacific Ocean) Wilkes Expedition U. S. (S. Pacific) Exploring Expedition, 1838-42) 1838 1842