We hypothesized that tree health increases as soil quality and lichen growth increases. Our data did not support our hypothesis. The Hackberry and Linden Basswood trees, which had the highest documented tree condition (3), had very different average leaf stomata amounts (4 and 29 respectively), soil quality readings (potassium 2, phosphorous 1 for Hackberry and potassium 3, phosphorous 2 for Linden Basswood), and lichen colony numbers (crusty lichen 2.6, leafy lichen 2.3 for Hackberry and crusty lichen 2, leafy lichen 2.5 for Linden Basswood). The Black Locust and Slippery Elm trees, which had the lowest documented tree condition (2) also had very different average leaf stomata amounts (17 and 31 respectively), soil quality readings (potassium 2, phosphorous 1 for Black Locust and potassium 2.5, phosphorous 3 for Slippery Elm), and lichen colony numbers (crusty lichen 3, leafy lichen 2 for Black Locust and crusty lichen 1.5, leafy lichen 1.5 for Slippery Elm). The variation in leaf stomata amounts may simply be caused by differences in leaf anatomy; some trees may require more open leaf stomata for photosynthesis than others, even with the same environmental conditions. Also, the soil quality tests may have yielded similar results due to the majority of our samples coming from the same area (the Nature Museum). In order to find clearer trends in the data, more diverse data collection sites should be visited and fewer types of trees should be used in the experiment.