Add to ORKG"There are nearly 7,500 recognized species of ferns in the world, of which number over 200 are known to be native to the United States. A few species have become weed pests in this country, and it is to a discussion of the control of these weedy ferns that this bulletin is devoted. The parts of the United States in which ferns are bad weeds are, principally, (1) the hill country of the Northeastern States and the higher portions of the Appalachian Mountain region as far south as Georgia, and (2) the Pacific coast country west of the Cascade Mountains.... This publication deals only with fern eradication in the Eastern States." -- p. 1-
Lygodium microphyllum, Old World climbing fern, is native to the wet tropics and subtropics of the O...
"Attention should be directed to the continual spread of a common disease of plants generally known ...
"This bulletin contains directions for the control of the most common insects and diseases of the ho...
"This paper deals with the methods of eradication used for the Canada thistle in the United States, ...
Describes diseases and other problems affecting trees in farm woodlands of the eastern United States...
South Florida has a recent history which is highlighted by the introduc-tion of plant species from d...
Report discussing the distribution and cultivation of the leguminous crop alsike clover, which grows...
A letter report issued by the Government Accountability Office with an abstract that begins "Invasiv...
Report discussing the Russian thistle in Minnesota, North Dakota, and South Dakota; its growth habit...
The development of successful regional or national invasive weed control programs is often hampered ...
In the 1950s, the American public became aware that certain chemicals endanger human health and the ...
"There is at present a great lack in the agricultural literature of this country of concise descript...
Issued in parts, 1877-1880.Vol. 2 published in Boston.Stafleu and Cowan, 2d ed.Mode of access: Inter...
The subject of weeds continues to interest the farmers of the state, as much, perhaps, as any proble...
A team of two tiny moths might help stop the spread of Old World climbing fern, an aggressive vine t...
Lygodium microphyllum, Old World climbing fern, is native to the wet tropics and subtropics of the O...
"Attention should be directed to the continual spread of a common disease of plants generally known ...
"This bulletin contains directions for the control of the most common insects and diseases of the ho...
"This paper deals with the methods of eradication used for the Canada thistle in the United States, ...
Describes diseases and other problems affecting trees in farm woodlands of the eastern United States...
South Florida has a recent history which is highlighted by the introduc-tion of plant species from d...
Report discussing the distribution and cultivation of the leguminous crop alsike clover, which grows...
A letter report issued by the Government Accountability Office with an abstract that begins "Invasiv...
Report discussing the Russian thistle in Minnesota, North Dakota, and South Dakota; its growth habit...
The development of successful regional or national invasive weed control programs is often hampered ...
In the 1950s, the American public became aware that certain chemicals endanger human health and the ...
"There is at present a great lack in the agricultural literature of this country of concise descript...
Issued in parts, 1877-1880.Vol. 2 published in Boston.Stafleu and Cowan, 2d ed.Mode of access: Inter...
The subject of weeds continues to interest the farmers of the state, as much, perhaps, as any proble...
A team of two tiny moths might help stop the spread of Old World climbing fern, an aggressive vine t...
Lygodium microphyllum, Old World climbing fern, is native to the wet tropics and subtropics of the O...
"Attention should be directed to the continual spread of a common disease of plants generally known ...
"This bulletin contains directions for the control of the most common insects and diseases of the ho...