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Parker

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Plantago rugelii Decne.

Parker and Pichon
Plantago rugelii Decne.

Parker and Pichon
Boschniakia rossica (Cham. & Schltdl.) Fedtsch.

Parker and Pichon
Picea mariana (Mill.) Britton, Sterns & Poggenb.

Parker and Pichon
Polygonum arenastrum Jord. ex Boreau

Parker and McClain
Polygonum arenastrum Jord. ex Boreau

Parker and McClain
Polygonum persicaria L.

Parker and McClain
Polygonum persicaria L.

Parker and McClain
Polygonum punctatum Ell.

Parker and McClain
Polygonum scandens L.

Parker and McClain
Polygonum scandens L.

Parker and McClain
Polygonum scandens L.

Parker and McClain
Polygonum virginianum L.

Parker and McClain
Polygonum virginianum L.

Parker and McClain
Polygonum sagittatum L.

Parker and McClain
Polygonum sagittatum L.

Parker and McClain
Vitis aestivalis F.Michx.

Parker, McClain, and Pichon
Lobelia siphilitica L.

Parker and Pichon
Lobelia siphilitica L.

Parker and Pichon
Phytolacca americana L.

Parker and Pichon
Polygonum cuspidatum Siebold & Zucc.

Parker and Pichon
Polygonum cuspidatum Siebold & Zucc.

Parker and Pichon
Phytolacca americana L.

Parker and Pichon
Rumex crispus L.

Parker and Pichon
Phyla lanceolata (Michx.) Greene

Parker, Pichon false, and McClain