MILDRED E. GRIERSON SANCTUARY

Westchester County, NY

18 acres

Note:  A quicksand-like substance exists near the edge of  the pond and in other sections of this sanctuary.  


Directions:

Take Route 35 (1.8 miles east of exit 6 of Interstate 684) to N. Salem Road.  Turn left, take first right onto Mt. Holly Road.  Go 1.5 miles at which point you travel on to Mt. Holly Road East for approximately .5 mile to the main entrance for the Mount Holly Preserve. Continue past the Marian Yarrow Preserve and go to the end of  Mt. Holly Road.  Turn right onto Todd Road.  The preserve entrance is 100 yards from the turn.


Habitats:

There are 5 acres of marsh and pond that exists as a result of underground springs.  Adjoining are 13 acres of rich densely covered forest consisting of large hardwoods and other flora.  


PLANT LIST:
Dr. Patrick L. Cooney
April 2, 2001


Trees:
Betula alleghaniensis (yellow birch)
Betula lenta (black birch)
Betula populifolia (gray birch)
Carpinus caroliniana (musclewood)
Carya ovata (shagbark hickory)
Carya sp. (hickory)
Euonymus alatus (winged euonymus)
Fagus grandifolia (American beech)
Juniperus virginiana (red cedar)
Liriodendron tulipifera (tulip tree)
Picea (Norway spruce)
Platanus occidentalis (sycamore)
Prunus serotina (black cherry)
Quercus alba (white oak)
Quercus rubra (red oak)

Shrubs:
Berberis thunbergii (Japanese barberry)
Cephalanthus occidentalis (button bush)
Cornus amomum (swamp dogwood)
Lonicera sp. (honeysuckle) --- massive at entrance
Rosa multiflora (multiflora rose)
Rubus phoenicolasius (wineberry)

Vines:
Celastrus orbiculatus (Asiatic bittersweet)

Dicot Herbs:
Apocynum cannainum (Indian hemp)
Cichorium intybus (chicory)
Lythrum salicaria (purple loosestrife)
Mitchella repens (partridgeberry)
Ranunculus ficaria (lesser celandine)
Verbascum thapsus (common mullein)

Monocot Herbs:
Lemna or Spirodela (duckweed)
Symplocarpus foetidus (skunk cabbage)
Typha latifolia (broad-leaved cattail)

Sedges:
Carex laxiflora type (sedge)
Carex pensylvanica (Pennsylvania sedge)
Carex stricta (tussock sedge)

Grasses:
Phragmites australis (giant reed grass)

Ferns and Fern Allies:
Polystichum acrostichoides (Christmas fern)