Figure 1a. Grass pollen grain, with single pore visible on the top of the grain.

Figure 1b. Artemisia pollen grain, having three furrows running down on the sides from the top to the bottom, giving a tri-lobe shape when seen from the top.

Figure 2. Testalinden Lake on Mt. Kobau, seen in background. Vegetation is a mosaic of open steppe and ESSF, making up the Artemisia- Abies lasiocarpa zone described by McLean (1970).

Figure 3a. Pollen percent diagram for Buckbean Bog, Mt. Kobau.

Figure 3b. Pollen percent diagram for North Crater Lake, Crater Mountain

Figure 4. Crater Lake on the north slope of Crater Mountain, surrounded by ESSF forests with open steppe in foreground