Harvard University Herbaria & Libraries

Asclepiadaceae
GH: 00993730 Asclepias macrotis Torrey USA: Oklahoma approx. 6 miles east of Kenton C. M. Rowell 11069 1966-6-19
Boraginaceae
GH: 01995229 Lappula redowskii (Hornemann) Greene USA: Texas 11 miles north of Pampa C. M. Rowell 11022 1966-5-19
GH: 02061333 Oreocarya thyrsiflora Greene USA: Oklahoma approx. 6 miles east of Kenton C. M. Rowell 11060 1966-6-19
Brassicaceae
GH: 01561723 Erysimum asperum de Candolle USA: Texas 11 miles north of Pampa C. M. Rowell 11021 1966-5-19
Fabaceae
GH: 02347161 Vicia ludoviciana Nuttall USA: Texas 11 mi. north of Pampa C. M. Rowell 11020 1966-5-19
Plantaginaceae
GH: 00466822 Callitriche heterophylla Pursh USA: Texas bottomlands of the Canadian River ± 7 miles... C. M. Rowell 11006 1966-5-20
GH: 01811255 Veronica peregrina xalapensis (Kunth) Pennell USA: Texas Gageby Creek margins, 12 miles north of Whee... C. M. Rowell 10990 1966-5-20
Potamogetonaceae
GH: 01695802 Potamogeton pusillus Linnaeus USA: Texas Playa lake 2.8 mi. west of Tam Anne C. M. Rowell 11014 1966-6-5
Ranunculaceae
GH: 01657123 Clematis pitcheri Torrey & A. Gray USA: Texas Caprock breaks, Palo Duro Canyon, approximat... C. M. Rowell 11018 1966-5-19