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Sunday, August 12, 2007

Muhlenberg Botanic Club Field Trip to Conoy Park/Falmouth Boat Launch


Muhlenberg Botanic Club Field Trip

August 11, 2007

Leader: Fred Habegger plus 12 members of the club.

Falmouth Boat Ramp – Conoy Canal Park 10am -12 noon (After a brownbag lunch several of us went down river to Vinegar Ferry, see below for addition plants)

Weather was nice and sunny, the humidity had dropped from earlier in the week and we had a pleasant day.



We walked trail through the woods upriver to second power cut (Large Corten Steel Pylons) then bushwhacked out to the river. Where we explored the diabase bedrock where it has been scoured and carved by the Susquehanna river. Many beautiful potholes are there where swirling flood water has ground in circular holes in the hard and smooth diabase with the aid of pebbles spinning inside them. Many interesting plants were seen. In the woods, power cuts and in the riverbed among the rocks. All done with dry feet!

Plants in BOLD are pictured

Acer negundo, Boxelder (fr)

Acer saccharinum, Silver Maple

Ailanthus altissima, *Tree-of-heaven, (fr)

Alopecurus sp, *Foxtail grass

Amaranthus sp, Pigweed (fl)

Ambrosia artemisiifolia, Common Ragweed (fl)

Ambrosia trifida, Giant Ragweed (fl)

Amorpha fruticosa, False-indigo (fr)

Andropogon girardii, Big blue-stem (fl)















Apios americana, Ground-nut, Wild-bean (fl)

Apocynum cannabianum, Indian hemp (fr)

Arctium minus, *Common Burdock (fl & fr)

Artemisia annua, *Annual wormwood

Artemisia vulgaris, *Mugwort

Asclepias incarnata, Swamp milkweed (fl)

Asclepias syriaca, Common Milkweed

Asimina triloba, Pawpaw

Avens sp,

Cannabis sativa, *Marijuana (one small plant growing out in the rocks)

Carya ovata, Shagbark Hickory

Celtis occidentalis, Hackberry

Cercis canadensis, Redbud

Cersium arvense, *Canada thstle (fr)

Chamacyce maculata, Spotted Spurge (fl)

Chamacyce nutans, Eye-bane (fl)


Chamaechrista fasciculata, Partridge-pea (fl)

Clematis species

Commelina communis, dayflower (fl)

Cyperus esculenta, Yellow nutsedge (fl)

Datura stramonium, *Jimsonweed (fl & fr)

Daucus carota, *Queen Anne's Lace

Desmodium canadense, Showy tick-trefoil (fl)

Dioscorea villosa, Wild Yam (fr)

Elymus hystrix, Bottlebrush grass (fr)

Erichtites hieraciifolia, fierweed, Pilewort (fl)

Erigeron philadelphicus, Common Fleabane (fl)

Eupatorium fistulosum, Joe-pye-weed (fl)

Eupatorium perfoliatum, Boneset (fl)

Eupatorium serotinum (fl)

Euphorbia corollata, Flowering spurge (fl)

Fraxinus sp., Ash Species

Helianthus divaricatus, Thin-leaved Sunflower (fl)





Helianthus tuberosus, Jerusalem Artichoke (fl)










Hibiscus laevis (H. millitaris), Halberd-leaved mallow (fl)






Humulus japonicus,*Japanese Hops (fl)


Ipomoea pandurata, Wild Sweet Potato (fl)

Justicia americana, Water willow (fr)

Ligustrum sp, *Privet

Lindera benzoin, Spicebush (fr)

Lonicera japonica, * Japanese honeysuckle

Lythrum salicaria, *Purple loostrife (fl)

Melilotus officionalis, *Yellow sweet-clover (fl)

Menispermum canadense , Moonseed

Microstegium vimineum, *Japanese stilt grass

Mimulus ringens, Allegheny monkey-flower

Mollugo verticillata, Carpetweed (fl)

Monarda fistulosa, Wild Bergamot (fr)

Oenothrea biennis, Evening-primrose (fl)

Panicum virgatum, Switch grass (fr)

Phyla laceolata (Lippia lanceolata ) ,Fogfruit (fl)

Physocarpus opulifolius, Ninebark (fr)

Plantanus x acerifolia, *London Plane

Polygonum cuspidatum, *Japanese knotweed

Polygonum perfoliatum, *Mile-a-minute weed (fr)

Polygonum sp, Smartweed (fl)

Quercus bicolor, Swamp White Oak

Robinia pseudoacacia, Black Locust

Rosa multiflora, *Multiflora rose (fr)

Rubus phoenicolasius, *Wineberry

Rudbeckia laciniata, Green-headed Coneflower (fl)

Schrophularia marilandica, Eastern figwort, Carpenter's Square (fl)

Sicyos angulata, Bur cucumber (fl)

Silene alba (Lychnis alba), *White campion (fl)

Solanum nigrum, Black nightshade (fl-fr)

Solidago gigantea, Tall goldenrod (fl)

Staphylea trifolia, Baldderpod (fr)

Taraxacum officionale, *Dandelion (fl)

Toxicodendron radicans, Poison ivy (fr)

Ulmus rubra, Slippery Elm

Verbena hastata, Blue vervain (fl)

Verbena urticifolia, White vervain (fl)

Verbesina alternifolia, Wingsem (fl)

Vitus sp., Grape (fr)

Xanthium strumarium, Cocklebur, (fr)




River Front ParkVinegar Ferry RD. 1pm-3pm

Fred Habagger, Tim Draude, Mike and Jan Slater

Additional plants seen/identified:

Apocynum canabianum v. hypericifolium, prostrate Indian hemp (fr)

Cynanchum laeve (Ampelamus albidus), Smooth swallow-wort (fl)

Elymus canadense (fr)

Elymus villosa (fr)

Elymus virginicus (fr)



Heteranthera dubia (Zosterella dubia), Water Star Grass (fl)

Polygonatum biflorum var coomutatum (P. canaliculatum), Giant Solomon's-seal (fr)

Polygonum lapathifolium, (fl)

Polygonum pennsylvanicum, (fl)

Salix sp, a shrubby willow

Urtica sp, Nettle (fl) with a Quesionmark Caterpillar feeding on it.




*Introduced from outside eastern North America

(fl) seen in flower

(fr) seen in fruit

1 comment:

Anonymous said...

loved the swirly rocks and starry water flowers