Image Gallery No. 3
Gallery No. 3 comprises miscellaneous photos taken by Joseph O'Brien, a plant pathologist with the Forest Health Protection unit.
Click on the thumbnail photo for a larger image (all are jpegs; most are 1024 pixels in the long direction).
Trillium grandiflorum
(69k)
The common trillium is a welcome sight in the northern forests, after a long winter.
Pinus resinosa
(86k)
A majestic old red pine, at Itasca State Park in Minnesota.
Rhabdocline weirii
(102k)
This is a scanning electron micrograph of a fungus that causes a needle disease on Douglas-fir. It looks like a nest of worms, but it's really quite an interesting fungus.
Thuja occidentalis (113k)
This is northern white cedar, one of the favorite foods of white-tailed deer. So much so, in fact, that we're having a difficult time regenerating stands of white cedar, because the young seedlings are eaten.
Caltha palustris
(76k)
The marsh marigold flowers early in the spring, and provides splashes of yellow along streams and ditches in the northern forests.
Moss…
(114k)
These are the spore-bearing fronds of … one of those mosses. We're checking for a name.
Decayed tree
(171k)
Fungi are responsible for most of the decay that occurs when living organisms die.
Cyathus striatus (116k)
This little beauty is one of the bird's nest fungi. The basket-like splash cups hold several spores that look like eggs in a bird's nest. When rain falls into the cup, the spores are forcibly ejected.
