Harvard University Herbaria & Libraries

Araceae
GH: 01629464 Pistia stratiotes Linnaeus USA: Louisiana New Orleans: [no additional data] J. L. Riddell
Asteraceae
GH: 00589762 Aphanostephus ramosissimus de Candolle USA: Texas J. L. Riddell
GH: 00589762 Aphanostephus riddellii Torrey & A. Gray USA: Texas J. L. Riddell
GH: 00872104 Aster azureus Lindley USA: Ohio [Worthington] J. L. Riddell
GH: 00872104 Aster oolentangiensis Riddell USA: Ohio [Worthington] J. L. Riddell
GH: 00006043 Brickellia dentata (de Candolle) Schultz Bipontinus USA: Texas J. L. Riddell
GH: 00006043 Brickellia riddellii (Torrey & A. Gray) A. Gray USA: Texas J. L. Riddell
GH: 00254608 Centauridium drummondii Torrey & A. Gray USA: Texas [North of San Antonio] J. L. Riddell
GH: 00006043 Clavigera dentata de Candolle USA: Texas J. L. Riddell
GH: 00006043 Clavigera riddellii Torrey & A. Gray USA: Texas J. L. Riddell
GH: 01834553 Lactuca floridana (Linnaeus) Gaertner USA: Ohio [data not captured] J. L. Riddell
GH: 00872104 Symphyotrichum oolentangiense (Riddell) G. L. Nesom USA: Ohio [Worthington] J. L. Riddell
GH: 00254608 Xanthisma texanum drummondii (Torrey & A. Gray) Semple USA: Texas [North of San Antonio] J. L. Riddell
Byttneriaceae
GH: 00052399 Riddellia antiphylla Rafinesque USA: Louisiana New Orleans: J. L. Riddell
Campanulaceae
GH: 00033010 Campanula ludoviciana Riddell USA: Louisiana New Orleans: J. L. Riddell 1018
GH: 00033010 Triodanis biflora (Ruiz & Pavon) Greene USA: Louisiana New Orleans: J. L. Riddell 1018
Dryopteridaceae
GH: 00354673 Dryopteris ludoviciana (Kunze) Small USA: Louisiana J. L. Riddell 1785
GH: 00443977 Dryopteris normalis C. Christensen USA: Louisiana about New Orleans, & elsewhere J. L. Riddell 1784
GH: 00443977 Dryopteris rafinesquiana Riddell USA: Louisiana about New Orleans, & elsewhere J. L. Riddell 1784
Dysphaniaceae
GH: 01784355 Dysphania anthelminticum (Linnaeus) Mosyakin & Clemants USA: Tennessee [data not captured] J. L. Riddell
Hippocastanaceae
GH: 00050574 Aesculus ohioensis Riddell USA: Ohio J. L. Riddell
Lamiaceae
GH: 00001953 Scutellaria saxatilis Riddell USA: Kentucky Knobs, Ky. J. L. Riddell
Malvaceae
GH: 00306453 Anoda cristata (Linnaeus) Schlechtendal USA: Texas [data not captured] J. L. Riddell
GH: 00306453 Anoda lavaterioides Medikus USA: Texas [data not captured] J. L. Riddell
Orchidaceae
AMES: 02066391 Platanthera blephariglottis (Willdenow) Lindley USA: Ohio Akron J. L. Riddell
Plantaginaceae
GH: 00521815 Plantago heterophylla Nuttall USA: Louisiana New Orleans: J. L. Riddell 1084
GH: 00521815 Plantago ludoviciana Riddell USA: Louisiana New Orleans: J. L. Riddell 1084
GH: 01539345 Veronica serpyllifolia Linnaeus USA: Louisiana New Orleans: [data not captured] J. L. Riddell
Polygonaceae
GH: 02362316 Persicaria meisneriana beyrichiana (Chamisso & Schlechtendal) C. C. Freeman USA: Louisiana [data not captured] J. L. Riddell
Thelypteridaceae
GH: 00354673 Lastrea petiolata Riddell USA: Louisiana J. L. Riddell 1785
GH: 00443977 Thelypteris kunthii (Desvaux) C. V. Morton USA: Louisiana about New Orleans, & elsewhere J. L. Riddell 1784
Vitaceae
GH: 01577239 Nekemias arborea (Linnaeus) J. Wen & Boggan USA: New Mexico [no additional data] J. L. Riddell