Schoenoplectus subterminalis (Torr.) Soják
Annotated by Amie-June Brumble, 1 Dec 2005.

Idaho: Bonner County: [locality and coordinates withheld; status in Idaho: S3 (Rare; IDNHP)],
Ca. 50 ha lake; peatland complex on S end of lake. Large, open peatland complex consists of open, floating Sphagnum mats immediately surrounding the lake dominated by Carex lasiocarpa and C. rostrata; scattered marshy areas dominated by Typha latifolia, often on Sphagnum-covered substrate; and shrub carrs adjacent to upland forests characterized by Alnus incana, Betula glandulosa, and Spiraea douglasii. Littoral regions of the lake characterized by rhizomatous stands of several aquatic macrophytes including Brasenia schreberi, Nymphaea odorata, and Nuphar polysepalum in water 1 dm -2 m deep. Surrounding forest mixed w/ Populus tremuloides, Picea engelmanii, Pinus monticola, and Thuja plicata being prominent. Water chem.: pH 7.2, hardness (mg/L as CaCO3) 11.3, alkalinity (mg/L) 16, conductivity 70 mmhos. Beneath floating N. odorata and B. schreberi in water 7 dm deep. Prominent, rooted emergent but with most lvs submerged in basal rosettes growing in understory. Secchi disc depth near bottom. Phenology: Uncertain.

Robert Bursik 1581, Sep 4, 1988
With F. Rabe, C. Clemens
ID, Accession: 99404, Barcode: ID022040