Page 155 - POSP

Exhibit A-4

Table 43

KNOWN NATURAL AREAS AND CRITICAL SPECIES HABITAT AREAS
IN WAUKESHA COUNTY: 2009
Map
Reference Classification Size
Number Area Name Code Location Ownership (acres) Description and Comments
1 Kettle Moraine Fen and NA-1 T5N, R17E Department of 150 Large, good- to excellent-quality
Low Prairie State Sections 3, 4, 9, Natural wet to wet-mesic prairie and fen
Natural Area 10 Resources complex that is recovering from
Town of Eagle past grazing, mowing, and fire
suppression. A rich combination
of species is present.
Management includes
prescribed burns, brush clearing,
and filling of large artificial ditch
2 Scuppernong Prairie NA-1 T5N, R17E Department of 713 Good- to excellent-quality
State Natural Area Sections 8, 9, Natural wet to wet-mesic prairie with a
16, 17, 20 Resources complete representation of low
Town of Eagle and private prairie plants, including a
number of rare species. One of
the best prairie remnants in the
Region. This site also includes
extensive areas that are being
returned to prairie through
appropriate management
techniques, such as burning and
brush and tree cutting
3 Mukwonago Fen, Sedge NA-1 T5N, R18E Private and 242 Large, good-quality, and relatively
Meadow, and Tamarack Sections 28, 33 Department of undisturbed wetland complex
Relict Town of Natural bisected by the Mukwonago
Mukwonago Resources River. North of the river, sedge
meadow and shallow marsh
grade into prairie fen; south of
the river, open wetland grades
into tamarack swamp with
northern relict species. An
integral part of the Mukwonago
River corridor
4 Upper Mukwonago River NA-1 T5N, R17E Department of 215 High-quality stream reach
(SNA) Section 36 Natural between dam at Eagle Spring
Town of Eagle Resources Lake and Phantom Lake.
T5N, R18E and private Includes fen communities and
Sections 31, 32, protected with low prairie at Rainbow Springs
33 conservation
Town of easement
Mukwonago
5 Muskego Park Hardwoods NA-1 T5N, R20E Waukesha 100 Primarily an upland woods on a
State Natural Area Section 17 County gentle southeast slope, with
City of Muskego and private small woodland ponds.
Characteristic trees include red
and white oaks, sugar maple,
basswood, and yellowbud
hickory. The spring flora is
exceptionally rich and diverse.
Several uncommon species
occur here, including the State-
designated endangered crow-
spur sedge (Carex crus-corvi)
and the State-designated
threatened blue ash (Fraxinus
quadrangulata). The site has
been disturbed by wide hiking
and equestrian trails, and is
currently threatened by
subdivisions along the north
and east borders
6 Ottawa Lake Fen State NA-1 T6N, R17E Department of 26 Two shallow depressions
Natural Area (SNA) Section 34 Natural connected by deep marsh and
Town of Ottawa Resources shallow marl flats. The smaller,
northern lake is undeveloped
and supplied by numerous
seepage springs, small boiling
springs, and several cold inlet
streams. Here are present an

Exhibit A-4-2