Pycnanthemum


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Related to Pycnanthemum: Pycnanthemum virginianum
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Synonyms for Pycnanthemum

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The Cornus shrub community on the floodplain was apparently eliminated [ILLUSTRATION FOR FIGURE 8 OMITTED], and among prairie species only such "weedy" elements as Pycnanthemum and Monarda that will grow in pastures survived after cultivation began [ILLUSTRATION FOR FIGURE 9 OMITTED].
For instance, last year the National Cancer Institute in Bethesda, Maryland, requested samples of several Pycnanthemum species to screen them for anti-cancer or anti-AIDS properties.
Yet Pycnanthemum species may offer hope for other, less serious but still troublesome problems, according to James Duke, a botanist with the ARS Germplasm Resources Laboratory in Beltsville, Maryland.
2 Aster oblongifolius -- -- -- Lespedeza virginica -- -- -- Rhus aromatic -- -- -- Carex pensylvanica -- -- -- Pycnanthemum pilosum -- -- -- Lithospermum canescens -- -- -- Totals 60.
Mid-summer to fall herbaceous flora included Carex frankii, Desmodium canadense, Eupatorium perfoliatum, Euthamia graminifolia, Filipendula rubra, Galium asprellum, Impatiens eapensis, Lilium michiganense, Lobelia siphilitica, Oxypolis rigidior, Pedicularis lanceolata, Pycnanthemum virginianum, Symphyotrichum puniceum, and Typha latifolia.
During the summer, Arnoglossum plantagineum, Lysimachia quadriflora, Pycnanthemum virginianum, Senna hebecarpa, Silphium integrifolium, and S.
Herbaceous plants occurring in both sedge meadows include Agalinis purpurea, Eupatorium perfoliatum, Filipendula rubra, Galium triflorum, Lobelia kalmii, Lysimachia quadriflora, Monarda fistulosa, Oxypolis rigidior, Pedicularis lanceolata, Pilea fontana, Pycnanthemum virginianum, Rudbeckia hirta var.
Other common prairie species including Solidago nemoralis (gray goldenrod), Fragaria virginiana (wild strawberry), Desmanthus illinoensis (bundleflower), and Pycnanthemum tenuifolium (slender mountain mint).
Andropogon virginucus, Potentilla simplex, and Pycnanthemum verticulatum were the dominant herbaceous species.
Also notable are Arisaema dracontium (green dragon), Pycnanthemum tenuifolium (slender mountain mint), Potentilla simplex (common cinquefoil), and early specimens of Impatiens capensis (spotted jewelweed).
torreyi, Pycnanthemum virginiana, Rudbeckia hirta and other plants; the third is a dense stand of Carex stricta with Filipendula rubra, Pycnanthemum virginiana, and Rudbeckia hirta; and the fourth is a mixed stand of Carex spp.