"Wetlands of the Ontario Hudson Bay Lowland: A Regional Overview" by John L. Riley. 2011. [book review]
- P. Catling
- Environmental Science
- 1 July 2011
The biology of Canadian weeds. 134. Bromus inermis Leyss
- R. Otfinowski, N. Kenkel, P. Catling
- Environmental Science
- 2007
Smooth brome (Bromus inermis Leyss.), a native of central Eurasia, was introduced to Canada as a forage and hay crop around 1888, but its most detrimental impact is on the diversity of prairies and native grasslands.
Environmentalism Unbound: Exploring New Pathways for Change
- P. Catling, W. Cody
- Art
- 2008
Although 64 flower species are covered, eight of these are repetitions. That is, the text and photos are virtually identical. I do not see the point of this. A list of plants with overlapping…
The biology of Canadian weeds. 124. Hydrocharis morsus-ranae L.
- P. Catling, Gisèle Mitrow, E. Haber, U. Posluszny, W. Charlton
- Environmental Science
- 1 October 2003
European frog-bit (Hydrocharis morsus-ranae L.), a free-floating, stoloniferous aquatic, is native to Europe and parts of Asia and Africa, and has spread throughout much of the central and southwestern parts of southern Ontario, and further into northern New York and Vermont and eastern Michigan.
The Recent Spread and Potential Distribution of Phragmites australis subsp. australis in Canada
- P. Catling, Gisèle Mitrow
- Environmental Science
- 1 April 2011
To provide information on geographic occurrence, rate of spread, and potential distribution of European Common Reed, Phragmites australis subsp. australis , in Canada, we measured 1740 herbarium…
Rain-Assisted Autogamy in Liparis loeselii (L.) L. C. Rich. (Orchidaceae)
- P. Catling
- History
- 1 October 1980
Cultivating the increasingly popular medicinal plant, goldenseal: Review and update
- A. Sinclair, P. Catling
- Biology
- 1 September 2001
Although optimal growing conditions are similar to those for many crops, goldenseal is relatively robust and can grow well in a variety of conditions including wet, predominantly sandy or clay soils with pH as low as 4.8 and as high as 7.8.
Status of Goldenseal, Hydrastis canadensis (Ranunculaceae), in Canada.
- A. Sinclair, P. Catling
- Environmental Science
- 2000
Breeding systems of northeastern North American Spiranthes (Orchidaceae)
- P. Catling
- Biology
- 1 December 1982
Breeding systems in northeastern North American Spiranthes orchids were studied to provide background information for taxonomic and evolutionary interpretations and revealed that Spiranthe romanzoffiana and races of S. ochroleuca requiring pollination for seed develop...
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