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Hill, Steven R.

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Carex austrodeflexa

S. R. Hill
Valerianella chenopodifolia

Steven R. Hill
Cannabis sativa L.

Steven R. Hill
Quercus bicolor Willd.

Steven R. Hill
Acer leucoderme Small

Steven R. Hill
Cystopteris tennesseensis Shaver

Steven R. Hill
Trillium discolor Wray ex Hook.

Steven R. Hill
Circaea lutetiana subsp. canadensis (L.) Asch. & Magnus

Steven R. Hill and J. L. Crane
Corydalis curvisiliqua Engelm.

Steven R. Hill
Galium pedemontanum (Bellardi) All.

Steven R. Hill
Lysimachia thyrsiflora L.

Steven R. Hill
Rumex hastatulus Baldw.

Steven R. Hill
Haematoxylon campechianum L.

Steven R. Hill and Loy R. Phillippe
Corydalis micrantha (Engelm. ex A. Gray) A. Gray

Steven R. Hill
Phacelia ranunculacea (Nutt.) Constance

Steven R. Hill
Schoenoplectus hallii (A. Gray) S.G. Sm.

Steven R. Hill
Trapa natans L.

Steven R. Hill
Floerkea proserpinacoides Willd.

Steven R. Hill and Loy R. Phillippe
Dirca palustris L.

Steven R. Hill
Valerianella umbilicata (Sull.) Alph. Wood

Steven R. Hill
Vitis riparia Michx.

Loy R. Phillippe, Geoffrey A. Levin, and Kenneth R. Robertson
Avicennia germinans (L.) Stearn

Steven R. Hill, D. Bradshaw, and I. Renne
Cuscuta japonica Choisy

Steven R. Hill
Cyperus erythrorhizos Muhl.

Steven R. Hill
Justicia americana Vahl

Steven R. Hill