. The Canadian field-naturalist. 1979 FAHSELT ET AL.: ORISKANY SANDSTONE OUTCROP FEATURES 33. Figure 8. Open oak-hickory forest on sandstone at the Oriskany outcrop in southern Ontario. The best of these stands are presently scheduled for quarrying by King Paving and Materials of Burlington, Ontario, a Division of the Flintkote Company of Canada. decreasing dominance) Cornus racemosa{ mose Dogwood), Amelanchier arborea, Vibur- num rafinesquianum (Downy Arrow-wood), Prunus virginiana (Choke-cherry), and Vibur- num acerifolium (Maple-leafed Viburnum). Pyrus coronaria (Wild Apple) is one un
. The Canadian field-naturalist. 1979 FAHSELT ET AL.: ORISKANY SANDSTONE OUTCROP FEATURES 33. Figure 8. Open oak-hickory forest on sandstone at the Oriskany outcrop in southern Ontario. The best of these stands are presently scheduled for quarrying by King Paving and Materials of Burlington, Ontario, a Division of the Flintkote Company of Canada. decreasing dominance) Cornus racemosa{ mose Dogwood), Amelanchier arborea, Vibur- num rafinesquianum (Downy Arrow-wood), Prunus virginiana (Choke-cherry), and Vibur- num acerifolium (Maple-leafed Viburnum). Pyrus coronaria (Wild Apple) is one uncom- mon species of note. Amelanchier arborea does not often attain tree sizes but in this stand there are a number of large specimens. There is also a rich tall herb layer which includes Pteridium aquilinum (Brake), Solidago caesia (Blue-stem Goldenrod), and Aster sagittifolius (Arrow- leafed Aster), and a low herb layer with Carex pensylvanica, Galium aparine (Cleavers), and G. circaezans (Wild Licorice). In total 108 species of herbs and shrubs are present. Lichens are uncommon in forests of the deciduous forest regions but both lichens and mosses are locally abundant in Site I. Site II is immediately below Site I on a gradual south-facing slope and also has shallow soils. The dominant trees are Red Oak and White Oak with a lesser representation of Shagbark Hickory and Black Cherry. Black Cherry, Shagbark Hickory, and Red Oak are well represented in the sapling layer, while Cornus racemosa and Prunus virginiana are important elements in the shrub layer. In the medium-height herb layer Solidago caesia and Geranium macuLatum (Wild Cranesbill) are found, and in the low herb layer are Maian- themum canadense (Two-leafed Solomon's- seal), Carex pensylvanica, and Aster macro- phyllus (Large-leafed Aster). This is also a dry complex with considerable diversity including 24 tree species and 87 herbs and shrubs. Site III is just south of Site II toward the bottom of the gentle slope.
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