Photograph of purple fringed orchid (Habenaria fimbriata) at Wanapitei River, near Sudbury, Ontario
Photograph of Staghorn sumac (Rhus typhina) at Wanapitei River, near Sudbury, Ontario
Photograph of purple fringed orchid (Habenaria fimbriata) at Wanapitei River, near Sudbury, Ontario
Photograph of orange hawkweed (Hieracium aurantiacum) and bird's foot trefoil (Lotus corniculatus) at Burwash, near Sudbury, Ontario
Photograph of orange hawkweed (Hieracium aurantiacum) at Burwash, near Sudbury, Ontario
Photograph of orange hawkweed (Hieracium aurantiacum) at Burwash, near Sudbury, Ontario
Photograph of a control site about 30 kilometres from mining operations near Sudbury, Ontario
Photograph of sparse vegetation regrowth at a tailings site at Copper Cliff, near Sudbury, Ontario
Photograph of a eight months of vegetation regrowth at a small controlled site at Nickel Rim, near Sudbury, Ontario
Photograph of red-stained roast bed remnants and hillside tree recovery at Nickel Rim, near Sudbury, Ontario
Photograph of controlled stinkweed (Artemisia tilesii) regrowth in a tailings site at Nickel Rim, near Sudbury, Ontario
Photograph of controlled stinkweed (Artemisia tilesii) regrowth in a tailings site at Nickel Rim, near Sudbury, Ontario
Photograph of white birch at Richard Lake, near Sudbury, Ontario
Photograph of red maple at Falconbridge, near Sudbury, Ontario
Photograph of Deschampsia grasses growing in tailings near Sudbury, Ontario
Photograph of an unidentified person standing in a growth of common reed (Phragmites communis) at Coniston, near Sudbury, Ontario
Photograph of wideleaf polargrass (Arctagrostis latifolia) growing in a slag heap at a tailings site at Nickel Rim, near Sudbury, Ontario
Photograph of tailings plant growth experiments without using a gravel base, Nickel Rim, near Sudbury, Ontario
Photograph of controlled plant growth with slag heap material at a tailings site at Nickel Rim, near Sudbury, Ontario
Photograph of sparse mugwort (Artemesia) growing at a tailings site at Nickel Rim, near Sudbury, Ontario
Photograph of a truck spraying Rhodamine 245-T at thick brush at the Riverside site, central Nova Scotia
Photograph of regrowth at the Little River Lake site, Kings County, Nova Scotia
Photograph of pyrogenic heath barrens containing a variety of crowberries (Empetrum) and lichen (Cladonia), Halifax County, Nova Scotia
Photograph of Bill Freedman posing in a shallow bog containing Potamogeton oblongus, on Sable Island
Photograph of a truck spraying Rhodamine 245-T at thick brush at the Riverside site, central Nova Scotia
Photograph of red maple regrowth, likely at the Riverside site, central Nova Scotia
Photograph of regrowth at the meadow control site near Tuktoyaktuk, Northwest Territories
Photograph of regrowth at the Pingo spray plot near Tuktoyaktuk, Northwest Territories
Photograph of regrowth at the meadow summer spill site near Tuktoyaktuk, Northwest Territories
Photograph of regrowth at the meadow winter spill site near Tuktoyaktuk, Northwest Territories
Photograph of Arctic lupine (Lupinus arcticus) near Tuktoyaktuk, Northwest Territories
Photograph of Alpine arnica (Arnica alpina) near Tuktoyaktuk, Northwest Territories
Photograph of Woolly lousewort (Pedicularis kanei) near Tuktoyaktuk, Northwest Territories
Photograph of Raup's Indian paintbrush (Castilleja raupii) near Tuktoyaktuk, Northwest Territories
Photograph of regrowth at the Split Pingo spray plot near Tuktoyaktuk, Northwest Territories
Photograph of Tom Hutchinson and another unidentified researcher taking samples at meadow site plots near Tuktoyaktuk, Northwest Territories
Photograph of Raup's Indian paintbrush (Castilleja raupii) near Tuktoyaktuk, Northwest Territories
Photograph of Arctic lupine (Lupinus arcticus) near Tuktoyaktuk, Northwest Territories
Photograph of regrowth at the meadow summer spill site near Tuktoyaktuk, Northwest Territories
Photograph of an unidentified researcher standing amid green alder (Alnus crispa) near Tuktoyaktuk, Northwest Territories
Photograph of regrowth at the Split Pingo spray plot near Tuktoyaktuk, Northwest Territories
Photograph of regrowth at the meadow control site near Tuktoyaktuk, Northwest Territories
Photograph of regrowth at the meadow control site near Tuktoyaktuk, Northwest Territories
Photograph of regrowth at the meadow winter spill site near Tuktoyaktuk, Northwest Territories
Photograph of Tussock cottonsedge (Eriophorum vaginatum var. spissum) in a bog near Postville, Newfoundland and Labrador
Photograph of a lush bog in Terra Nova National Park, Newfoundland and Labrador
Photograph of Star tipped cup lichen (Cladonia alpestris) in Terra Nova National Park, Newfoundland and Labrador
Photograph of Purple pitcher plant (Sarracenia purpurea), likely in Terra Nova National Park, Newfoundland and Labrador
Photograph of controlled altitudinal tundra growth near Postville, Newfoundland and Labrador
Photograph of Purple pitcher plant (Sarracenia purpurea), likely in Terra Nova National Park, Newfoundland and Labrador
