Appendix F Detailed Cover Type Tables - USDA Rural Development

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Bemidji – Grand Rapids Biological Assessment and Evaluation Potential effects for this species are described in the following Guilds: Bogs and Fens and Wet Prairie, Sedge Meadows and Emergent Wetlands. Species Description Like all orchids, P. flava var. herbiola has 3 sepals and 3 petals, with the lower petal modified into a lip with a slender spur. The shape and form of the lip is diagnostic to the identification of this species. It is oblong, with a base shaped like an arrowhead, and a thick tubercle on the upper surface near the base. The tubercle separates this species from all look‐alikes, especially the common P. aquilonis (tall northern bog orchid), which may occur in the same habitat but lacks the tubercle and the arrowhead‐shaped base. The variety herbiola of P. flava is distinguished from the typical southern variety by the longer leaflike bracts on the flowering stalk. A sweet but subtle fragrance of the flowers seems to be sporadic and undetectable by some observers. Species Habitat Platanthera flava var. herbiola prefers wet prairies and meadows, swales in mesic prairies, or the sandy or peaty habitats along the edges of marshes, swamps, or lakeshores. These habitats are in full sun or in the partial shade of scattered shrubs such as Salix spp. (willows) and Cornus spp. (dogwoods). Only high quality habitats that show little if any impact from human activities seem to be suitable for this orchid. Degraded habitats with a substantial number of nonnative species will not support this very rare plant. Range wide the species occurs in alluvial forests, riparian thickets, wet meadows, wet prairies, seeps, and salt marshes (Sheviak, 2002). In Minnesota, Smith (1993) indicates the habitat includes moist grassy or sedge‐dominated meadows on calcareous or circumneutral substrate. The known habitats tend to be somewhat brushy, with scattered willow (Salix) and dogwood (Cornus). Species Distribution and Occurrences within the Study Area This species is known from Missouri north to Minnesota and Ontario, east through Quebec and Newfoundland south to South Carolina and Georgia. Though widespread, it is generally considered rare throughout its range. USDA Plants Database at: http://plants.usda.gov/java/county?state_name=Minnesota&statefips =27&symbol=PLFLH Tubercled rein‐orchid Element Occurrence data available from the DNR indicates no known occurrences within the Study Area. Risk Factors Development pressure is generally considered the primary threat to this species, and is considered the primary cause for its decline (Coffin and Phannmuller, 1988). As the species is known to inhabit only high quality sites with native vegetation dominant, introduction of NNIS is a potential threat to populations of P. flava var. herbiola. Drawdown of the water table also presents a threat to the species where present. 4.2.5.5 Western polemonium (Polemonium occidentale) Western polemonium is listed as DNR Endangered. Potential effects for this species are described in the following Guilds: Cedar and Mixed Conifer Swamps. July 2010 Species and Associated Habitat Page 4‐73
Bemidji – Grand Rapids Biological Assessment and Evaluation Species Description Polemonium occidentale ssp. lacustre is a singled‐stemmed, perennial plant up to 10 dm (40 in.) tall, growing from a horizontal rhizome. Leaves are divided, with a variable number of narrow leaflets. The blue, bell shaped flowers are arranged in a compact cluster (Lakela 1965 cf. DNR, 2009b). Species Habitat This herb occurs in cedar, black spruce, or tamarack swamps with mineral‐rich, alkaline surface waters (e.g. calcareous soils), generally with an open canopy (Newhouse, 1993). Associates include Carex stricta, C. lacustris, Equisetum fluviatile, Smilacina trifolia, Rubus pubescens, Caltha palustris, Potentilla palustris, Mitella species, Saxifraga pensylvanica, and Sphagnum mosses (DNR, 1995; Newhouse, 1993). Species Distribution and Occurrences within the Study Area Risk Factors Polemonium occidentale ssp. lacustre is known from only six locations documented since 1944. One site is known from Florence County, Wisconsin, in an area that was selectively logged (Newhouse, 1993). Three occurrences in Minnesota are also at sites that have been logged (DNR, 1995). The western variety (spp. occidentale) occurs in the mountain west in distinctly different habitats. USDA Plants Database at: http://plants.usda.gov/java/county?state_name=Minnesota&statefips =27&symbol=POOC2 No known locations of Polemonium occidentale spp. lacustre are indicated in data provided by the DNR or CNF within the Study Area. The primary risk factor to this very rare subspecies is likely alteration of hydrology where the species is present. Alteration may take the form of human changes, or natural processes, including beaver activity. Additional risks include invasion of habitat by NNIS and conversion of land‐use, though selective small scale logging practices, as long as individuals are not harmed may provide small openings preferred by and benefit this species. 4.2.5.6 Lapland buttercup (Ranunculus lapponicus) Lapland buttercup is listed as DNR Special Concern and DRM Threatened. Potential effects for this species are described in the following Guilds: Cedar and Mixed Conifer Swamps. Species Description Lapland buttercup is a perennial herbaceous plant that spreads by rhizomes. The plant has prostrate stems 1‐2 dm tall and sends up a shoot from each node, each shoot with two basal leaves. Leaves are kidney shaped, deeply 3 cleft with rounded teeth or shallow lobes. The yellow petals of the flowers have orange veins, are 8‐12 mm wide with three sepals borne at the ends of shoots (Chadde, 2002). Species Habitat Known populations in the state occur on sphagnum hummocks in cool conifer swamps. July 2010 Species and Associated Habitat Page 4‐74
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Appendix F Detailed Cover Type Tabl
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2006). Grassland (Surrogate) Surrog
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upland coniferous forests in the Me
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Table F-1: Vegetation Cover Types w
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Table F-2: Vegetation Cover Type wi
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Table F-4: Vegetation Cover Type wi
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Appendix G Biological Assessment an
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Bemidji - Grand Rapids Biological A
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Wilton Map Document: (\\mspe-gis-fi
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Habitat Present? Yes Observations w
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Appendix I Draft Avian Mitigation P
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Avian Mitigation Plan 1.0 INTRODUCT
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Avian Mitigation Plan 2.0 SITE AND
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Avian Mitigation Plan 4.0 OPERATION
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Avian Mitigation Plan Leech Lake Re
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Appendix F Detailed Cover Type Tables - USDA Rural Development

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