Polypodium sibiricum Sipliv.
Annotated by R. Krichbaum, M. Krichbaum, 2015.

British Columbia: [locality and coordinates withheld; status in British Columbia: SH (Possibly Extirpated, Red List; BCCDC)],
Shaded dry cliff base in mixed forest; associated species include Betula papyrifera, Amelanchier alnifolia, Cystopteris fragilis, Populus tremuloides, Woodsia scopulina, Silene drummondii var. drummondii, Piptatherum pungens, Poa secunda, Campanula rotundifolia, Achillea millefolium, Aralia nudicaulis, Parmelia fraudans, Tuckermannopsis chlorophylla. Plot # polysib-2012-001h; this is an extension of polysib-2012-001a-f, which is approximately 200 metres north on the same system of cliffs & boulders; specimens from the main occurrence were determined by D. Brunton in 2012; id based on spores measuring less than approximately 52 microns, presence of sporangiasters, characters of the stem scales and leaf blades.

Randy Krichbaum eaglecap 15198, 2015 Jul 01
With M. Krichbaum
UBC, Accession: V245378