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    Weber, D. A.

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    variegatum

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    Equisetum variegatum Schleicher ex F. Weber & D. Mohrvariegated scouring-rush;variegated horsetail;northern scouring-rush;mottled scouring-rushprêle panachéeEquisetum variegatumGoat Lakealpine meadow, open moist7000 fee

    variegatum

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    Equisetum variegatum Schleicher ex F. Weber & D. Mohrvariegated scouring-rush;variegated horsetail;northern scouring-rush;mottled scouring-rushprêle panachéeEquisetum variegatumwet pasture, Westmor

    variegatum

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    Equisetum variegatum Schleicher ex F. Weber & D. Mohrvariegated scouring-rush;variegated horsetail;northern scouring-rush;mottled scouring-rushprêle panachéeEquisetum variegatumWalpole; Great Brk, near rte 12seepage are

    variegatum

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    Equisetum variegatum Schleicher ex F. Weber & D. Mohrvariegated scouring-rush;variegated horsetail;northern scouring-rush;mottled scouring-rushprêle panachéeEquisetum variegatumMcLeod Creek bankin moss carpet3800 feetspruce/alder foresther

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    variegatum

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    Equisetum variegatum Schleicher ex F. Weber & D. Mohrvariegated scouring-rush;variegated horsetail;northern scouring-rush;mottled scouring-rushprêle panachéeEquisetum variegatumApprox. 18 km N on Kananaskis Road on W side of road:marsh area on N side of marsh in bog soi

    variegatum

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    Equisetum variegatum Schleicher ex F. Weber & D. Mohrvariegated scouring-rush;variegated horsetail;northern scouring-rush;mottled scouring-rushprêle panachéeEquisetum variegatumFish Creek Provincial Park, wet gravel bar in creek near log bar
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