Harvard University Herbaria & Libraries

Brassicaceae
GH: 00948512 Boechera sparsiflora (Nuttall) Dorn USA: Washington [data not captured] J. Howell 1879-6
Campanulaceae
GH: 00033230 Howellia aquatilis A. Gray USA: Oregon Sauvier's Island J. Howell 137 1879-5
Fabaceae
GH: 00058771 Astragalus howelli A. Gray USA: Oregon J. Howell 180 p.p. 1879
GH: 02176969 Lupinus leucophyllus canescens (Howell) C. P. Smith USA: Washington [data not captured] J. Howell 1879-6
Orchidaceae
GH: 00139184 Corallorhiza striata Lindley USA: Oregon Sauvie Island J. Howell 1879-5
Plantaginaceae
GH: 01998399 Collinsia grandiflora Douglas USA: Oregon [data not captured] J. Howell 1879-6
GH: 01998828 Collinsia parviflora Lindley USA: Oregon [data not captured] J. Howell 1879-4
GH: 00078160 Collinsia rattanii A. Gray USA: Washington Simcoe Mountains, pine woods J. Howell 1879
GH: 02118966 Penstemon deustus variabilis (Suksdorf) Cronquist USA: Washington [data not captured] J. Howell 1879
GH: 01804557 Synthyris missurica stellata (Pennell) Kartesz & Gandhi USA: Oregon [data not captured] J. Howell 1879-6
GH: 01804655 Tonella collinsioides Nuttall ex A. Gray USA: Oregon [data not captured] J. Howell 1879-6
Valerianaceae
GH: 00032854 Valerianella anomala A. Gray USA: Oregon Sauvier Island J. Howell 216 1879-4