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Latest Flora of North America Stories

Louisiana Pine Snakes Released In Kisatchie National Forest
2012-05-08 03:30:25

On May 1, USDA Forest Service, U.S Fish and Wildlife Service, Louisiana Department of Wildlife and Fisheries, the Memphis Zoo, and other partners released seven young Louisiana pine snakes on a restored longleaf pine stand in the Kisatchie National Forest in Louisiana. The release is the fourth in 2 years, part of a plan to restore a very rare snake to its range in Louisiana. Last year the partners released 20 newly hatched snakes; this year´s snakes are 6 months old and about 3 feet...

2012-02-07 13:00:00

Innovators from government, academia and private industry are recognized for their impact on the weed science profession. Lawrence, KS (PRWEB) February 07, 2012 This week the Weed Science Society of America (WSSA) honored more than two dozen individuals for their outstanding contributions to the field of weed science. The awards were presented during the organization´s annual meeting, held this year in Waikoloa, Hawaii. “These are true innovators from academia, government and...

7d576f48b5f7fc80f321c8917711653a
2010-12-06 10:55:00

Researchers at Universit© Laval, in collaboration with Nova Scotia Agricultural College, have discovered what causes Christmas tree needles to drop off, and how to double the lifespan of Christmas trees in homes. The authors presented their findings in a recent issue of the scientific journal Trees. The researchers have identified a plant hormone"”ethylene"”responsible for needle loss in balsam fir. They made the discovery by placing fir branches in containers of water inside...

2010-11-10 16:34:14

New hemlock hybrids that are tolerant to the invasive insect known as hemlock woolly adelgid have been created by U.S. Department of Agriculture (USDA) scientists. Geneticist Richard Olsen and horticulturist Sue Bentz of USDA's Agricultural Research Service (ARS) teamed up with Forest Service entomologist Mike Montgomery to breed and select these tolerant hybrids. Olsen and Bentz work in the U.S. National Arboretum's Floral and Nursery Plants Research Unit in Beltsville, Md. The arboretum is...

2010-10-22 09:36:00

ST. LOUIS, Oct. 22, 2010 /PRNewswire-FirstCall/ -- Monsanto Company (NYSE: MON) and FMC Corporation (NYSE: FMC) today announced an agreement that broadens Monsanto's Roundup Ready PLUS(TM) weed management platform in the United States to include selected FMC products. FMC herbicides covered under the agreement include the growing line of soybean preemergence residual herbicides including Authority® First DF, Authority® MTZ DF,...

2010-04-26 08:17:12

Chokeberry bushes have for centuries been residents of eastern deciduous forests where their bright red and dark purple fruits continue to be favorite snacks of local bird species. Native Americans have also traditionally eaten dried chokeberries and prepared teas from parts of the plant, and several domesticated varieties now grace contemporary lawns and gardens from coast to coast. However, the chokeberry (Aronia) is enjoying a new claim-to-fame as a potentially powerful antioxidant, and...


Latest Flora of North America Reference Libraries

Monterey Pine, Pinus radiata
2014-04-27 08:44:45

Monterey Pine (Pinus radiata) is native to the Central coast of California and Mexico primarily the Guadalupe and Cedros Islands. The Monterey pine is planted extensively in Australia, New Zealand, Spain, Argentina, Chile, Uruguay, Kenya, and South Africa. The Monterey pine is closely related to the Bishop and Knobcone pine. The Monterey pine is a short to medium tree growing from 49-98 feet tall with some growing to 200 feet tall in perfect growing conditions. The crown is rounded with...

Knobcone Pine Cone, Pinus attenuata
2014-04-27 07:44:40

Knobcone pine (Pinus attenuata) grows in the mountains of southern Oregon to Baja California. This tree is usually found in pure stands but can mix in with the Bishop pine and the Monterey pine along the Oregon-California coastline. This tree grows in shallow rocky infertile soil. The knobcone pine is a relatively short lived tree living 75-100 years. The Knobcone pine grows at sea level up to 5500 feet in elevation and is a short to medium tree growing to heights of 26-79 feet with a...

Jeffrey Pine, Pinus jeffreyi
2014-04-27 07:31:31

Jeffrey pine (Pinus jeffreyi) grows in California, Nevada, and Oregon. This tree is named after botanist document, John Jeffrey. This tree is also known as the black pine. The Jeffrey pine is often confused with the Ponderosa pine. Jeffrey pine grows in high altitudes of 4900-6900 feet in the northern part of its region and 5900-9500 feet in the southern range. The trees grow primarily from southwest Oregon, through much of California, south to the northern border of Mexico. The range of...

Hartweg’s Pine, Pinus hartwegii
2014-04-22 13:27:36

Hartweg’s pine (Pinus hartwegii) is found growing in the mountains of  Mexico and Central America east to Honduras. This tree was discovered and named in 1838 by Karl Hartweg. The Hartweg’s pine is related to the Pinus Montezuma species which has shorter needles, as well as smaller cones and grows at lower altitudes. The Hartweg Pine grows at altitudes of 8200-14100 feet above sea level forming the alpine tree line in the higher mountains of Mexico. This pine tolerates dry winters,...

Arizona Pine, Pinus arizonica
2014-04-18 10:05:00

Arizona pine (Pinus arizonica) is found in the United States in northern Mexico, southeast Arizona, southwest New Mexico, and western Texas. The Arizona pine closely resembles the Ponderosa Pine found growing in the Sierra Madre Occidental in Arizona south to Durango, CO. The Arizona pine grows in high elevations from 5906-8038 feet. It is a medium to tall pine growing to heights of 82-114.8 feet tall with a trunk diameter of up to 3 feet 11 inches. The bark on young trees is dark brown...

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Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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