Grendell Ridge Preserve

Frelinghuysen Township, Warren County, New Jersey

32 acres

Open to the Public

Directions:

US 80 west to Exit 19 (Hackettstown/Andover); At the end pf the exit ramp, cross over Route 518 to Route 667 north; drive about 0.25 of a mile and turn left onto Route 612 at the Allamuchy General Store; drive about 3 miles; take a right onto South Street; drive 1.0 mile and make a left at the marked gate.  There is room for two vehicles to park in front of the gate. 

Trails:

There is a short marked loop trail here. In part, the trail loop runs parallel with the ridge.

There is evidence of ATV activity here with some deep ruts in the paths.  (Carpets of Japanese stilt grass on the paths.)

PLANT LIST:
Dr. Patrick L. Cooney
* = plant found in bloom on date of field trip, 7/12/04

Trees:
Acer rubrum (red maple)
Acer saccharum (sugar maple)
Ailanthus altissima (tree of heaven)
Betula lenta (black birch)
Carpinus caroliniana (musclewood)
Carya spp. (hickory)
Cornus florida (flowering dogwood)
Fraxinus americana (white ash)
Juniperus virginiana (red cedar)
Liriodendron tulipifera (tulip tree)
Picea abies (Norway spruce)
Platanus occidentalis (sycamore)
Quercus alba (white oak)
Quercus rubra (red oak)
Sassafras albidum (sassafras)
Tilia americana (American basswood)
Tsuga canadensis (eastern hemlock)

Shrubs and Sub-shrubs:
Berberis thunbergii (Japanese barberry)
Elaeagnus umbellata (autumn olive)
Hamamelis virginiana (witch hazel)
Lindera benzoin (spicebush)
Rubus phoenicolasius (wineberry)
Rosa multiflora (multiflora rose)
Sambucus canadensis (common elderberry)

Vines:
Celastrus orbiculatus (Asiatic bittersweet)
Parthenocissus quinquefolia (Virginia creeper)
Toxicodendron radicans (poison ivy)
Vitis sp. (grape)

Broad-leaved Herbs:
Alliaria petiolata (garlic mustard) *
Amphicarpaea bracteata (hog peanut)
Anemone virginiana (thimbleweed)
Aralia nudicaulis (wild sarsaparilla)
Arisaema triphyllum (Jack in the pulpit)
Artemisia vulgaris (common mugwort)
Chrysanthemum leucanthemum (ox-eye daisy) *
Circaea lutetiana (enchanter's nightshade) *
Collinsonia canadensis (horsebalm)
Desmodium glutinosum (pointed-leaved tick trefoil) *
Erigeron annuus (daisy fleabane) *
Eupatorium rugosum (white snakeroot)
Eupatorium sp. (Joe Pye weed)
Galinsoga sp. (gallant soldier) *
Galium lanceolatum (lance-leaved wild licorice)
Geum canadense (white avens) *
Hemerocallis fulva (tawny day lily)
Impatiens sp. (jewelweed)
Lepidium virginicum (poor man's pepper)
Melilotus alba (black medick) *
Osmorhiza claytonii (sweet cicely)
Pilea pumila (clearweed)
Plantago lanceolata (English plantain)
Podophyllum peltatum (may apple)
Polygonum cespitosum (cespitose knotweed *
Polygonum virginianum (jumpseed)
Prunella vulgaris (self-heal) *
Smilacina racemosa (false Solomon's seal)
Trifolium aureum (yellow clover) *
Trifolium repens (white clover) *
Tussilago farfara (colt's foot)
Verbascum thapsus (common mullein)
Verbena urticifolia (white vervain) *
Veronica officinalis (common speedwell)

Grasses:
Bromus inermis (smooth brome grass)
Dactylis glomerata (orchard grass)
Microstegium vimineum (Japanese stilt grass) lots

Ferns and Fern Allies:
Adiantum pedatum (maidenhair fern)
Asplenium platyneuron (ebony spleenwort)
Dryopteris marginalis (marginal wood fern)
Thelypteris noveboracensis (New York fern)