Object Record

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Catalog Number PH-LC 155a
Object Name Pedicularis cystopteridifolia
Title Pedicularis cystopteridifolia
Other Name Fern-Leaved Lousewort
Collector Meriwether Lewis & William Clark
Date 1806
Description Several fragments of this species are in a packet above the mounted specimens of Pedicularis groenlandica (see No. 132 below). Pursh (1813: 425) calls the species P. elata Willd. (Sp. Pl. 3: 210. 1800). Meehan (1898: 38) questionably refers to this as P. scopulorum (A. Gray) A. Gray (Syn. Fl. 2: 308. 1878), a related but restricted species of the high mountains in Colorado. Pursh says the plant was found "On the waters of Clarck's river" and that the plant was nearly two feet high and had purple flowers. The specimen label gives the location as "on the head of Clark's R." and the date as 6 Jul 1806. On that day, Lewis was along the Blackfoot River in Powell Co., Montana (Moulton, 1993: 93-94).
(The Lewis & Clark Herbarium Digital Imagery Study Set, ANSP, 2002)

On deposit at the Academy of Natural Sciences, Philadelphia
Credit line American Philosophical Society. Gift of Thomas Jefferson, 1805 - 1806.
Search Terms 19th century
nineteenth century