XIV International Botanical Congress. Berlin (West), Germany 24 July to 1 August 1987. Abstracts |
Pearson, Lorentz C. |
1987-08-01 |
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XIII International Botanical Congress. Abstracts |
Pearson, Lorentz C. |
1981-08-01 |
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Varying Environmental Factors in Order to Grow Intact Lichens Under Laboratory Conditions |
Pearson, Lorentz C. |
1970-01-01 |
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The Three-Line Hypothesis and Plant Classification |
Pearson, Lorentz C. |
1981-12-09 |
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Suggestions for Shipping Lichens for Help in Identification |
Pearson, Lorentz C. |
1979-12-01 |
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Rate of Photosynthesis and Respiration in Different Lichen Tissues by the Cartesian Diver Technique |
Pearson, Lorentz C. |
1978-01-01 |
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Problems - Linkage |
Pearson, Lorentz C. |
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Preliminary Communication: Air Pollution Damage to Cell Membranes in Lichens. I. Development of a Simple Monitoring Test |
Pearson, Lorentz C. |
1981-01-01 |
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Predicting Disease Resistance in Synthetic Varieties of Alfalfa from Clonal Cross Data |
Pearson, Lorentz C. |
1960-01-01 |
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Photosynthesis in Aspen Bark During Winter Months |
Pearson, Lorentz C. |
1958-01-01 |
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Photosyntesis in Aspen Bark |
Pearson, Lorentz C. |
1958-05-01 |
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Oikos Acta Oecologica Scandinavica |
Pearson, Lorentz C. |
1965-01-01 |
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Nitrogen Fixation Rate and Chlorophyll Content of the Lichen Peltigera Canina Exposed to Sulfur Dioxide |
Pearson, Lorentz C. |
1975-01-01 |
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Miocene Plant Fossils of the Carmen Formation |
Pearson, Lorentz C. |
1973-04-01 |
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Light Compensation Point Measurements In Four Populations Of Saxicolous Liches |
Pearson, Lorentz C. |
1967-12-01 |
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Lichens of Eastern Idaho and Adjacent Wyoming, Utah and Montana in the Ricks College Herbarium |
Pearson, Lorentz C. |
1976-12-01 |
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Lichens as Microclimate Indicators in Northwestern Minnesota |
Pearson, Lorentz C. |
1965-10-01 |
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Letter to Mr. Jack Hickman concerning the Pre-Forestry program at Ricks College by the Professor of Botany |
Pearson, Lorentz C. |
1989-10-20 |
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Laboratory Growth Experiments with Lichens Based on Distribution in Nature |
Pearson, Lorentz C. |
1977-06-01 |
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Influence of Temperature and Humidity on Distribution of Lichens in a Minnesota Bog |
Pearson, Lorentz C. |
1969-06-01 |
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