Zobrazeno 1 - 10 of 16 pro vyhledávání: '"John F Townsend"'
1
Two new species of Dichanthelium (Poaceae) from the mountains and Piedmont of Virginia, one with an outlier in Pennsylvania
Autor: J. Christopher Ludwig, Richard J. LeBlond, John F. Townsend
Publikováno v: Journal of the Botanical Research Institute of Texas. 14:189-198
Two new species of Dichanthelium are described: Dichanthelium appalachiense from shale woodlands in the mountains of Virginia, with a historical population from Pennsylvania; and Dichanthelium harvillii from a mafic region in the Piedmont of Virginia
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b94e63950d41f19e865823749a318ae8
https://doi.org/10.17348/jbrit.v14.i2.1002
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2
Floristics of Difficult Creek Natural Area Preserve: a Piedmont mafic woodland complex in Halifax County, Virginia, U.S.A
Autor: John F. Townsend, J. Christopher Ludwig
Publikováno v: Journal of the Botanical Research Institute of Texas. 14:481-519
The 331-hectare (819-acre) Difficult Creek Natural Area Preserve (DCNAP) was established in Halifax County, Virginia to protect and manage habitat for rare vascu-lar plant species and animals, and to restore plant communities. Mafic metavolcanic rock
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7138c09e73618c42c3f99b2406b2755f
https://doi.org/10.17348/jbrit.v14.i2.1024
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4
EUPATORIUM PALUDICOLA (ASTERACEAE): A NEW SPECIES FROM THE COASTAL PLAIN OF NORTH AND SOUTH CAROLINA
Autor: John F. Townsend, Patrick D. McMillan, Richard J. LeBlond, Edward E. Schilling, Richard D. Porcher, Bruce A. Sorrie, Alan S. Weakley
Publikováno v: Rhodora. 109:137-144
Eupatorium paludicola (Asteraceae) is a new species from the Atlantic Coastal Plain of North and South Carolina. It resembles E. leucolepis (DC.) Torr. & A. Gray, from which it is most readily distinguished by very narrow (2–4.5 mm wide) ascending-
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::537ba3597af2c78b0492a5938c8abdfe
https://doi.org/10.3119/0035-4902(2007)109[137:epaans]2.0.co
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10
Significant muscle capillary basement membrane thickening in spontaneously diabetic Mystromys albicaudatus
Autor: Robert A Stuhlman, James A Esterly, John F Townsend, Yohannes W Yesus
Publikováno v: Diabetes. 25(5)
Skeletal muscle capillary basement membrane thickness was determined in age- and sex-matched normal and spontaneously diabetic Mystromys albicaudatus. In nondiabetic animals the average basement membrane thickness was 482.6 ± 48.7 Å as against 779.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::44e02ece9debe06455dfce55ad75af8f
https://pubmed.ncbi.nlm.nih.gov/1269842
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