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Wend your way behind the residences and toward the large parking lot, hockey/basketball rink, and the paved path leading to Confederation college. As you leave the sport facilities behind (Fig. 7-1), on your right will be messy looking shrubs of pincherry (Prunus pensylvanica, Fig. 7-2), whose branches are covered with fruticose lichens (Fig. 7-3).

Fig. 7-1. Leaving the ice rink area on paved trail toward Confederation College, next photo just right of the cyclist.
Fig. 7-2. Pin cherries covered with fruticose lichens

Fig. 7-3. Fruticose Evernia mesomorpha on pin cherry branch

Continue a little further along the paved path to the grove of trembling aspens (Populus tremuloides - cousin of the European P. tremula) on the left (just beyond the cyclist in Fig. 7-1). A few inconspicuous crustose lichen species growing on the tree bark were marked with coloured pins. These are described below.

Fig 7-4. Lecanora symmicta with characteristic yellow apothecia. Marked with green pin

Fig. 7-5. Caloplaca cerina with orange apothecia

Fig. 7-6. Buellia
species with black apothecia is just above the green pin

Fig. 7-7 The fruticose and common Hypogymnia physodes characterised by tubular thallus, currently marked with blue pin.

At this point, turn around, and head back past the ice rink, but keep right toward student residences and Avilla Center.