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Title
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Field Notes, 1912, Part 3_104
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Alternative Title
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Field Notes, 1912, Part 3
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Date
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1912
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Creator
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Raymond J. Pool
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Description
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Raymond J. Pool Field Notes
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Identifier
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120712
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Transcription
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104 73″ In small ponds and on the margins of spring branches especially there are a number of associated species that are common during early summer. The commonest of there are Veronica americana and the less common V. amagallis - aquatica : Mimulus parisherii , and Cardamine hirsuta . All of there plants show gradations from the truly land habit through the amphibous to the truly submerged forms with all of the vegetative parts beneath the water and only the flowering portions abouve as in Batrachium . Dulichium arundinaceum a rare amphibious sedge is seen in a similar relation along some of the spring branches of the Niobrara. This association favors a muckly or loamy substratum while the Pondweed association favors a sandy substrata. Because of this relation the Batrachium association is probably to be regarded as a later association.
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Rights
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To inquire about usage, please contact Archives & Special Collections, University of Nebraska-Lincoln Libraries. These images are for educational use only. Not all images are available for publication.
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Is Version Of
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E:\great nebraska\downloads\downloads\scraped_images\raymond_j_pool_notes_1912_part_3\raymond_j_pool_notes_1912_part_3_120712-1912-104.jpg
