Tri-State Chapter Hike to Compass Plant Prairie 1998
COMPASS PLANT SITE
LAWRENCE COUNTY OHIO
AUGUST 21-22 1998
Anacardiaceae
Rhus Copallinum L. Shining sumac or winged sumac
Toxicodendron radicans (l.) Kuntze poison ivy
Apocynaceae
Apocynum cannabinum L. Indian Hemp
Asclepiadaceae
Asclepias incarnata L. Swamp milkweed along the road
Asteraceae
Aster lateriflorus (L.) Britt starved aster small white flowers at the end of stalks
other Asters are also present
Bidens cernua L. Bur marigold (in damp areas, ray flowers present)
B. vulgata Green tall beggars ticks (no ray flowers present)
Conyza canadensis (L.) Cronq horseweed
Coreopsis major Walter
Erechtites hieracifolia (L.) Raf. Pilewort
Eupatorium coelestinum L. Mist flower
E. purpureum L. Purple joe pye weed, (purple at nodes only, entire stem is
purple in E. fistulosum)
E. sessilifolium L. Upland bonesest
Other Eups may be present
Euthamia graminifolia (L.) Nutt common flat topped golden rod
Galinsoga ciliata (Raf.) Blake dooryard weed
Silphium laciniatum L. Compass plant
Solidago juncea Ait. Plume goldenrod
S. nemoralis Aiton. Gray goldenrod
other Solidagos may be present
Caesalpiniaceae
Chamaecrista nictitans (L.) Moench sensitive plant
Fabaceae
Desmodium paniculatum (L.) DC common tick trefoil
other Desmodiums may be present
Lespedeza hirta (L.) Hornem. Hairy bush clover
L. procumbens Michx. Trailing bush clover
L. virginica (L.) Britton
note Desmodiums have several seeds in triangles that break apart
Lespedezas have one seed in one fruit
Robinia pseudoacacia L. Black Locust
Gentianaceae
Sabatia angularis (L.) Pursh rose pink
Lamiaceae
Prunella vulgaris L. Self heal
Pycnanthemum tenuifolium Schrader mountain mint (scent very light)
Lythraceae
Cuphea viscosissima Jacq. Waxweed
Onagraceae
Ludwigia alternifolia L. False loosestrife (ditch along road)
Orchidaceae
Spiranthes lacera (Raf.) Raf including S. gracilis Slender ladies tresses
Poaceae
Andropogon gerardii Vitman big blue stem
Sorghastrum nutans (L.) Nash Indian Grass
Polygalaceae
Polygala sanguinea L. Milkwort (more solid head)
P. verticillata L. Slender inflorescence
Primulaceae
Lysimachia quadrifolia L. Whorled loose strife
Rosaceae
Agrimonia pubescens Wallr.
Rosa carolina L. Wild rose
Rubiaceae
Hedyotis longifolia (Gaertner) Hook summer bluets
Scrophulariaceae
Kickxia elatine (L>) Dumont Canker root (Along road)
Vitaceae
Vitis aestivalis Michx. Summer grape