Article: Threat seen to half of Earth's plant species
The Milwaukee Journal Sentinel;  November 1, 2002 ;     561 words ... ... seen to half of Earth's plant species Study suggests human activities ... as half of the Earth's plant species, a study suggests. Earlier ... that only about 13% of all plant species are in danger of extinction ...

Article: Half of plant species could face extinction
Chicago Sun-Times;  November 1, 2002 ;     496 words ... ... many as one-half of the Earth's plant species, a study suggests. Earlier studies ... estimated that only about 13 percent of all plant species are in danger of extinction. But Nigel ... tropics where most of the world's plant species grow. In a study appearing today in ...

Article: In silico identification of conserved microRNAs in large number ...
BMC Plant Biology;  April 16, 2008 ;     700+ words ... ... conserved miRNA homologs in as many plant species as possible is important. Computational ... sequence, which is unavailable for most plant species. However, large genomic fragmented ... ESTs), are available for several plant species and can be used for identification ...

Article: Selenium and sulfur accumulation and soil selenium dissipation in ...
International Journal of Phytoremediation;  March 1, 2003 ;     700+ words ... ... Four selenium (Se) nonaccumulator plant species, including a forage grass species ... soil Se after 24 weeks growth of the plant species ranged from 12.0% in the Tall Fescue ... agricultural lands, Se nonaccumulator plant species are favorable candidates, because ...

Article: Heavy metal accumulation by old-field plant species ...
The American Midland Naturalist;  October 1, 1998 ;     700+ words ... ... Concentrations of heavy metals in old-field plant species were compared among untreated reference ... metal concentrations in old-field plant species. For example, concentrations of Cd ... faberii to reference levels. Changes in plant species composition during secondary succession ...

Article: A first approximation of the historical and extant vascular flora ...
Journal of the Torrey Botanical Society;  July 1, 2004 ;     700+ words ... ... York City: Implications for native plant species conservation. J. Torrey Bot. Soc ... City retains 57.4% of its native plant species diversity with 779 extant native species ... New York City's significant native plant species diversity. Key words: New York City ...

Article: ANTI-PROLIFERATIVE ACTIVITIES OF 32 MALAYSIAN PLANT ...
Journal of Tropical Forest Science;  April 1, 2008 ;     700+ words ... ... proliferative activities of 32 Malaysian plant species in breast cancer cell lines. Anti ... B assay, 13 crude extracts from 11 plant species were found to have active anti-proliferative ... Malaysia has an immense wealth of plant species, both endemic and non-endemic ...