Thomas J. Howell

33 public-domain plates in the archive

• Phyllodoce empetiformis (Small) D. Don Jul 1881
• Gaultheria humifusa (Graham) Rydb. Aug 1880
• Hypericum scouleri Hook. Jul 1880
• Mimulus floribundus Douglas ex Lindl. Oct 1879
• Ribes bracteosum Douglas May 1880 to Aug 1880
• Spiraea betulifolia Pall. Jul 1881
• Sedum divergens Greene 11 Aug 1882
• Sedum oregonense (S. Watson) M. Peck Jul 1880
• Anemone quinquefolia var. grayi (Behr ex Kellogg) Jeps. Jun 1880
• Sagina decumbens (Elliott) Torr. & A. Gray Jun 1880
• Mahonia nervosa (Pursh) Nutt. May 1880
• Trautvetteria caroliniensis var. grandis (Water) Vail Jun 1881 to Jul 1881
• Silene californica Durand 14 Aug 1882
• Thelypodium laciniatum (Hook.) Endl. May 1882
• Montia fontana L. May 1880
• Hypericum scouleri Hook. Jul 1881
• Trientalis europaea subsp. arctica (Fisch. ex Hook.) Hultén Aug 1880
• Trientalis latifolia Hook. Jun 1880
• Paxistima myrsinites (Pursh) Raf. subsp. myrsinites Jul 1880
• Hypericum anagalloides Cham. & Schltdl. Jun 1880
• Arctostaphylos nevadensis A. Gray May 1881
• Vaccinium ovalifolium Sm. May 1881
• Hypericum anagalloides Cham. & Schltdl. Jun 1880
• Lithospermum ruderale Douglas ex Lehm. May 1880
• Hackelia diffusa (Douglas ex Lehm.) I.M. Johnst. Aug 1880
• Crocidium multicaule Hook. 15 Apr 1881
• Ceanothus nevadensis Kellogg Jun 1880
• Penstemon acuminatus Greene ex Lindl. Jun 1881
• Penstemon rupicola (Piper) Howell Jun 1880
• Collinsia parviflora Douglas ex Lindl. May 1880
• Penstemon cardwellii Howell 1 Aug 1880
• Cardamine occidentalis (S. Watson ex B.L. Rob.) Howell Jul 1881
• Arabis suffrutescens S. Watson 12 Aug 1882