. The Canadian field-naturalist. 1979 RiLEY: NEW NORTHERN ONTARIO PLANTS 361 a widespread species of Quebec's alpine meadows and open conifer forests on sandy soils (Rousseau 1974). This first Ontario record is from an open White Spruce-lichen woodland site also supporting Phyl- lodoce coerulea (see further site comments with that species) (Figure 6). This specimen is of the typical, eastern variety. Recent field work in the Hudson Bay Lowland of Ontario has thus resulted in the addition of 10 vascular plant species to the provincial flora. These are Agrostis borealis, Carex bigelowii, Hieroch
. The Canadian field-naturalist. 1979 RiLEY: NEW NORTHERN ONTARIO PLANTS 361 a widespread species of Quebec's alpine meadows and open conifer forests on sandy soils (Rousseau 1974). This first Ontario record is from an open White Spruce-lichen woodland site also supporting Phyl- lodoce coerulea (see further site comments with that species) (Figure 6). This specimen is of the typical, eastern variety. Recent field work in the Hudson Bay Lowland of Ontario has thus resulted in the addition of 10 vascular plant species to the provincial flora. These are Agrostis borealis, Carex bigelowii, Hierochloe alpina, Luzula confusa, Minuartia groenlandica, Vahlodea atropurpurea. Aster alpinus, Calamagrostis deschampsioides, Kobresia myosuroides, and Phyl- lodoce coerulea. The first five of these species are reported from the highest and most exposed of the outcrop summits of the Precambrian Sutton Ridges. Other than their nearly complete inaccessibility, these two stations do not currently enjoy any protective status. The other species are all from widely dispersed locations and, with the exception of Cypripedium calceolus var. planipetalum (lower Attawapiskat River), all are now known from sites within the Polar Bear Provincial Wilderness Park. Discussion All of the species reported here as new to the provincial flora should be included in the listing of rare vascular plants (Argus and White 1977). Of the other taxa discussed or mapped, Pinguicula villosa, Pedicularis labradorica, and Cypripedium calceolus var. planipetalum should also be listed as rare. Because of the rarity of suitable habitat in Ontario, it appears that some species are undoubtedly rare: Agrostis borealis, Carex bigelowii, Hierochloe alpina, Luzula confusa, Minuartia groenlandica, Phyllodoce coerulea. Aster alpinus, Cypripedium calceolus var. planipetalum. Others are widespread but regionally restricted: Pedicularis spp., Ledum decumbens, Agropyron violaceum, Kobresia simpliciuscula, Pin- guicula villosa. So
Size: 1687px × 1482px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorottawafieldnaturalistsclub, bookcentury1900, bookcolle
