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| Photo Galleries |
 Colorado
Plateau |
| Fieldwork |
| Labs
& Facilities |
| Non-pinyon
Organisms |
| Pinyon
Needle Scales |
| Pinyon
Reproduction |
| Sunset
Crater |
| Stem-boring
Moths |
| Susceptible/Resistant
Trees |
Pinyon Reproduction |
 Male Strobili |
 Pinyon covered with male strobili |
 Two new cones and new needles |
 Two cones dripping sap |
 Conelets of many colors |
 Dead and living cones |
 Old cone |
 Dead Cone |