1 PDF computer file (14 pages; map)The lichen flora of Mississippi National River and Recreation Area, Minnesota, was studied by sampling 37 localities along the 110 kilometer long park, resulting in 76 species, which are thought to represent 80% of the complete flora
Thirty-one species in 10 genera of foliose and fruticose lichens are reported for Linn County, inclu...
During the last few years I have examined a large number of lichens from various parts of the Missis...
1 PDF computer file (25 pages; 1 picture plus 2 pages of tabular data and 14 pages of maps)National ...
1 PDF computer file (37 pages; charts, tabular data and graphs)During 2003 a re-study of the lichens...
1 PDF computer file (27 pages plus 23 pages of lists, 62 pages of field data sheets, 6 maps
1 PDF computer file (34 pages; 45 pages of Special Plant Survey forms)Purchase Order 43-54A7-3-009
1 PDF computer file (13 pages plus 1 map)Lichen collections were made at 10 localities in the Sugarl...
1 PDF computer file (14 pages; map, charts)This report describes the history of the development of N...
1 PDF computer file (13 pages; map, charts)This report describes the history of the development of N...
1 PDF computer file (31 pages)Many lichen species are very sensitive to some air pollutants and and ...
It has been my good fortune, through connection with the Minnesota Botanical Survey, to be able to s...
1 PDF computer file (36 pages plus 2 maps, includes handwritten corrections)Contract No. PX 6000-7-0...
Author Institution: Environmental Engineering Division, American Electric Power Service CorporationS...
The lichen flora of Rocks Park , Coles County, Illinois, was studied extensively. The tract (sec 17...
Soil and tree lichens were studied on the Helen Allison Savanna in Anoka County, Minnesota. Sample p...
Thirty-one species in 10 genera of foliose and fruticose lichens are reported for Linn County, inclu...
During the last few years I have examined a large number of lichens from various parts of the Missis...
1 PDF computer file (25 pages; 1 picture plus 2 pages of tabular data and 14 pages of maps)National ...
1 PDF computer file (37 pages; charts, tabular data and graphs)During 2003 a re-study of the lichens...
1 PDF computer file (27 pages plus 23 pages of lists, 62 pages of field data sheets, 6 maps
1 PDF computer file (34 pages; 45 pages of Special Plant Survey forms)Purchase Order 43-54A7-3-009
1 PDF computer file (13 pages plus 1 map)Lichen collections were made at 10 localities in the Sugarl...
1 PDF computer file (14 pages; map, charts)This report describes the history of the development of N...
1 PDF computer file (13 pages; map, charts)This report describes the history of the development of N...
1 PDF computer file (31 pages)Many lichen species are very sensitive to some air pollutants and and ...
It has been my good fortune, through connection with the Minnesota Botanical Survey, to be able to s...
1 PDF computer file (36 pages plus 2 maps, includes handwritten corrections)Contract No. PX 6000-7-0...
Author Institution: Environmental Engineering Division, American Electric Power Service CorporationS...
The lichen flora of Rocks Park , Coles County, Illinois, was studied extensively. The tract (sec 17...
Soil and tree lichens were studied on the Helen Allison Savanna in Anoka County, Minnesota. Sample p...
Thirty-one species in 10 genera of foliose and fruticose lichens are reported for Linn County, inclu...
During the last few years I have examined a large number of lichens from various parts of the Missis...
1 PDF computer file (25 pages; 1 picture plus 2 pages of tabular data and 14 pages of maps)National ...