80-N, 80-SW 
92-N, 
95-N, 
96-N, 
97-N, 
98 
99 
100-N, 100—W 
101 
102 
103 
104 
105 
106 
107 
108 
109-NW, 109-SW 
110-N, 110-SW 
111-N, 111-SW 
112 
113 
114 
, 89-SW 
92-SW 
95-SW 
96-SW 
97-SW 
Fraxinus cuspidata Torr., fragrant ash 
Fraxinus dipetala Hook. & Arn., two-petal 
ash 
Fraxinus gooddingii Little, Goodding ash 
Fraxinus greggiit A. Gray, Gregg ash 
Fraxinus papillosa Lingelsh., Chihuahua 
ash 
Fraxinus texensis (A. Gray) Sarg., Texas 
ash 
Fraxinus velutina Torr., velvet ash 
Fremontodendron californicum (Torr.) 
Coy., California fremontia 
Fremontodendron mexicanum (Davidson) 
Macbr., Mexican fremontia 
Garrya elliptica Dougl., wavyleaf silktassel 
Guaiacum angustifolium Engelm., Texas 
lignumvitae 
Holacantha emoryi A. Gray, holacantha 
Helietta parvifolia (A. Gray) Benth., 
barreta 
Juglans californica S. Wats., California 
walnut 
Juglans hindsii Jeps., Hinds walnut 
Juglans major (Torr.) Heller, Arizona 
walnut 
Juglans microcarpa Berlandier, little 
walnut 
Leucaena retusa Benth., littleleaf leadtree 
Koeberlinia spinosa Zucc., allthorn 
Leucaena pulverulenta (Schlecht.) Benth., 
great leadtree 
Lysiloma microphylla Benth., littleleaf 
lysiloma 
Lyonothamnus floribundus A. Gray, 
Lyontree 
Morus microphylla Buckl., Texas mulberry 
Malus diversifolia (Bong.) Roem., Oregon 
crab apple 
Myrica californica Cham., Pacific bayberry 
Nolina bigelovii (Torr.) S. Wats., Bigelow 
nolina 
Olneya tesota A. Gray, tesota 
Opuntia fulgida Engelm., jumping cholla 
Ostrya chisosensis Correll, Chisos 
hophornbeam 
Ostrya knowltonii Cov., Knowlton 
hophombeam 
Parkinsonia aculeata L., Jerusalem-thorn 
Pistacia texana Swingle, Texas pistache 
Photinia arbutifolia Lindl., Christmas- 
berry 
Pithecellobium flexicaule (Benth.) Coult., 
ebony blackbead 
Pithecellobium pallens (Benth.) Standl., 
huajillo 
Platanus racemosa Nutt., California 
sycamore 
Platanus wrightii S. Wats., Arizona 
sycamore 
Populus angustifolia James, narrowleaf 
cottonwood 
115 
116 
117 
118-N, 118-SW 
119-NW, 119-SW 
120 
121 
122-N, 122—-W 
123 
124. 
125-N, 125-NW 
126 
127-N, 127-NW, 
127-SW 
128-N, 128-SW 
129 
130 
131 
132 
133 
134 
135 
136 
137 
138 
139 
140 
141 
142 
143-N, 143-SW 
144. 
145 
146 
147 
148 
149 
150-NW, 150-SW 
151 
152 
153 
154 
155-NW, 155-SW 
Populus arizonica Sarg., Arizona 
cottonwood 
Populus hinckleyana Correll, Hinckley 
cottonwood 
Prosopis pubescens Benth., screwbean 
mesquite 
Prosopis juliflora (Sw.) DC., mesquite 
Prunus americana Marsh., American plum 
Prunus angustifolia Marsh., Chickasaw 
plum 
Prunus fremontii S. Wats., desert apricot 
Prunus emarginata Dougl., bitter cherry 
Prunus ilicifolia (Nutt.) D. Dietr., hollyleaf 
cherry 
Prunus lyonii (Eastw.) Sarg., Catalina 
cherry 
Prunus pensylvanica L. f., pin cherry 
Prunus subcordata Benth., Klamath plum 
Prunus virginiana L., common 
chokecherry 
Ptelea trifoliata L., common hoptree 
Ptelea crenulata Greene, California hoptree 
Quercus ajoensis C. H. Muller, Ajo oak 
Quercus arizonica Sarg., Arizona white oak 
Quercus dunnii Kellogg, Dunn oak 
Quercus engelmannii Greene, Engelmann 
oak 
Quercus glaucoides Mart. & Gal., Lacey 
oak 
Quercus graciliformis C. H. Muller, Chisos 
oak 
Quercus gravesit Sudw., Graves oak (also 
Q. tardifolia C. H. Muller, lateleaf oak) 
Quercus grisea Liebm., gray oak 
Quercus havardii Rydb., Havard oak 
Quercus hypoleucoides A. Camus, silverleaf 
oak 
Quercus macdonaldii Greene, McDonald 
oak 
Quercus mohriana Buckl., Mohrs oak 
Quercus oblongifolia Torr., Mexican blue 
oak 
Quercus rugosa Née, netleaf oak 
Quercus pungens Liebm., sandpaper oak 
Quercus tomentella Engelm., island live 
oak 
Quercus toumeyi Sarg., Toumey oak 
Quercus turbinella Greene, shrub live oak 
Quercus wislizeni A. DC., interior live oak 
Rhamnus betulaefolia Greene, birchleaf 
buckthorn 
Rhamnus crocea Nutt., hollyleaf buckthorn 
Rhamnus californica Eschsch., California 
buckthorn 
Rhododendron macrophyllum D. Don, 
Pacific rhododendron 
Rhus choriophylla Woot. & Standl., 
Mearns sumac 
Rhus integrifolia (Nutt.) Benth. & Hook. 
f., lemonade sumac 
Rhus glabra L., smooth sumac 
