McCall

Aphyllon uniflorum Greene

Orobanchaceae · Davidson, C 11378

Aulospermum glaucum (Nutt.) J.M.Coult. & Rose

Apiaceae · Davidson, C 11362

Erigeron compositus Pursh

Asteraceae · Davidson, C 11365

Glossopetalon spinescens A.Gray

Crossosomataceae · Davidson, C 11369

Lithospermum ruderale Douglas ex Lehm.

Boraginaceae · Davidson, C 11371

Mentzelia albicaulis (Douglas ex Hook.) Douglas ex Torr. & A.Gray

Loasaceae · Davidson C., Christoph S.R. 11363

Penstemon albertinus Greene

Plantaginaceae · Davidson, C 11367

Penstemon wilcoxii Rydb.

Plantaginaceae · Davidson, C 11357

Phacelia heterophylla Pursh

Hydrophyllaceae · Davidson, C 11370

Phlox longifolia Nutt.

Polemoniaceae · Davidson, C 11375

Physocarpus malvaceus (Greene) Kuntze

Rosaceae · Davidson, C 11364

Plectritis congesta (Lindl.) DC.

Caprifoliaceae · Davidson, C 11377

Sedum valens Björk

Crassulaceae · Davidson, C 11380

Silene oregana S.Watson

Caryophyllaceae · Davidson, C 11366