Harvard University Herbaria & Libraries

Asclepiadaceae
GH: 01082659 Asclepias verticillata Linnaeus USA: Pennsylvania 2 1/2 mi. n. by e. of Mazeppa H. A. Wahl 15202 1954-9-13
Convolvulaceae
GH: 02057026 Cuscuta pentagona Engelmann USA: Pennsylvania 1 1/4 mi NW of State College H. A. Wahl 15377 1954-10-8
Haloragaceae
GH: 01628748 Proserpinaca palustris Linnaeus USA: Pennsylvania bordering Lower Woods Pond, 1 1/2 mi NE of C... H. A. Wahl 14531 1954-7-25
Polygonaceae
GH: 02007965 Polygonum tenue Michaux USA: Pennsylvania [data not captured] H. A. Wahl 15167 1954-9-13
Potamogetonaceae
GH: 01746134 Potamogeton pusillus tenuissimus (Mertens & Koch) R. R. Haynes & Hellquist USA: Pennsylvania Connell Pond, 4 mi SE of Dushore H. A. Wahl 15311 1954-9-26
Scrophulariaceae
GH: 02040244 Verbascum phlomoides Linnaeus USA: Pennsylvania 2 1/2 mi. e.n.e. of Rochester H. A. Wahl 14938 1954-8-12
Violaceae
GH: 02208644 Viola porteriana Pollard (pro sp.) USA: Pennsylvania along Loyalsock Creek, 2 1/2 mi. n.e. of Hil... H. A. Wahl 14207 1954-5-22