Pseudophoenix sargentii, 5: 
234 
Pseudotsuga macrocarpa, 1: 
79-W 
Pseudotsuga menziesii, 1: 
80-W, 80-N 
Psidium longipes, 5: 235 
Ptelea crenulata, 3: 129 
Ptelea trifoliata, 3: 128-N, 
128-SW; 4: 106-N, 
106-NE, 106-SE; 5: 109 
Quercus agrifolia, 1: 156-W 
Quercus ajoenis, 3: 130 
Quercus alba, 1: 157-E; 5: 
110 
Quercus arizonica, 3: 131 
Quercus arkansana, 4: 107; 
3: 111 
Quercus bicolor, 1: 159-E 
Quercus chapmanii, 4: 108; 
a: 112 
Quercus chrysolepis, 1: 
158-W 
Quercus coccinea, 1: 161-E 
Quercus douglasii, 1: 160-W 
Quercus dunnii, 3: 132 
Quercus durandii, 4: 109; 5: 
113 
Quercus ellipsoidalis, 1: 
163-E 
Quercus emoryi, 1: 162-W 
Quercus engelmannii, 3: 133 
Quercus falcata, 1: 165-E; 
o: 114 
Quercus gambelii, 1: 164-W 
Quercus garryana, 1: 166-W 
Quercus georgiana, 4: 110 
Quercus glaucoides, 3: 134 
Quercus graciliformis, 3: 135 
Quercus gravesii, 3: 136 
Quercus grisea, 3: 137 
Quercus havardii, 3: 138 
Quercus hypoleucoides, 3: 
139 
Quercus ilicifolia, 4: 111 
Quercus imbricaria, 4: 112 
Quercus incana, 4: 113; 5: 
115 
Quercus kelloggii, 1: 167-W 
Quercus laevis, 4: 114; 5: 116 
Quercus laurifolia, 1: 168-E; 
9: 117 
Quercus lobata, 1: 170-W 
Quercus lyrata, 1: 169-E; 5: 
118 
Quercus macdonaldii, 3: 140 
Quercus macrocarpa, 1: 
172-W, 172-E 
Quercus marilandica, 1: 
171-E; 5: 119 
Quercus michauxii, 1: 174-E; 
3: 120 
Quercus mohriana, 3: 141 
Quercus muehlenbergii, 1: 
173-W, 173-E; 5: 124 
Quercus myrtifolia, 4: 115; 
3: 121 
Quercus nigra, 1: 175-E; 5: 
122 
Quercus nuttallii, 1: 176-E 
Quercus oblongifolia, 3: 142 
Quercus oglethorpensis, 4: 
116 
Quercus palustris, 1: 177-E 
Quercus phellos, 1: 178-E; 
5: 123 
Quercus prinus, 1: 179-E 
Quercus pungens, 3: 144 
Quercus rubra, 1: 180-N, 
180-E 
Quercus rugosa, 3: 143-N, 
143-SW 
Quercus shumardii, 1: 
181-W, 181-E; 5: 125 
Quercus stellata, 1: 182-W, 
182-E; 5: 126 
Quercus tardifolia, 3: 136 
Quercus tomentella, 3: 145 
Quercus toumeyi, 3: 146 
Quercus turbinella, 3: 147 
Quercus velutina, 1: 183-E; 
3: 127 
Quercus virginiana, 1: 184-N, 
184-W, 184-E; 5: 128 
Quercus wislizeni, 3: 148 
Rapanea punctata, 5: 236 
Reynosia septentrionalis, 5: 
251 
Rhamnus betulifolia, 3: 149 
Rhamnus californica, 3: 151 
Rhamnus caroliniana, 4: 
117-N, 117-SE; 5: 129 
Rhamnus crocea, 3: 
150-NW, 150-SW 
Rhamnus purshiana, 1: 
185-W, 185-N 
Rhizophora mangle, 1: 
186-N, 186-E; 5: 238 
Rhododendron catawbiense, 
4: 118 
Rhododendron lapponicum, 
2: 74 
Rhododendron macrophyl- 
lum, 3: 152 
Rhododendron maximum, 4: 
119 
Rhus choriophylla, 3: 153 
Rhus copallina, 4: 120-N, 
120-SE; 5: 130 
Rhus glabra, 3: 155-NW, 
155-SW; 4: 121-NE, 
121-SE; 5: 131 
Rhus integrifolia, 3: 154 
Rhus kearneyi, 3: 156 
Rhus lanceolata, 158-N, 
158-SW 
Rhus laurina, 3: 157 
Rhus microphylla, 3: 159 
Rhus ovata, 3: 160 
Rhus typhina, 4: 122-N, 
122-NE 
Ribes bracteosum, 2: 42 
Ribes glandulosum, 2: 43 
Ribes hudsonianum, 2: 44 
Ribes lacustre, 2: 45 
Ribes laxiflorum, 2: 46 
Ribes triste, 2: 47 
Robinia kelseyi, 4: 123 
Robinia neomexicana, 3: 162 
Robinia pseudoacacia, 1: 
187-E 
Robinia viscosa, 4: 124 
Rosa acicularis, 2: 51 
Rosa nutkana, 2: 52 
Roystonea elata, 5: 239 
Rubus idaeus var. strigosus, 
2:93 
Rubus parviflorus, 2: 54 
Rubus spectabilis, 2: 55 
Sabal mexicana, 3: 161-N, 
161-SW 
Sabal minor, 4: 125; 5: 132 
Sabal palmetto, 1: 188-E; 
3: 133 
Salix alaxensis, 2: 18; 3: 
163-N 
Salix amygdaloides, 1: 
189-W, 189-E, 189-N 
Salix arbusculoides, 2: 19; 3: 
164-N 
Salix barclayi, 2: 20 
Salix bebbiana, 2: 21; 3: 
165-N, 165-NW, 165-SW; 
4: 127-N, 127-NE 
Salix bonplandiana, 3: 
166-N, 166-SW 
Salix caroliniana, 4: 126; 
3: 134 
Salix discolor, 3: 167-N, 
167-W; 4: 128-N, 128-NE 
Salix exigua, 3: 168-NW, 
168-SW, 168-N; 4: 128-N, 
128-NE, 128-SE 
Salix floridana, 4: 130; 5: 135 
Salix fluviatilis, 3: 169 
Salix geyerana, 3: 170 
29 
