

Specimen Data Used In
Sheppard, C. S., & Schurr, F. M. (2018). Biotic resistance or introduction bias? Immigrant plant performance decreases with residence times over millennia. Global Ecology and Biogeography. doi:10.1111/geb.12844 https://doi.org/10.1111/geb.12844
Scientific Name | Collected By | Identified By | Date Collected | Date Identified | Institution | Catalog Number | Type Status | |
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Erigeron canadensis L. | McCalla, William C. | Hampson, C. G. | 1953-09-03 | University of Alberta Museums | 68081 | |||
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Aster hesperius A. Gray | McCalla, William C. | Hampson, C. G. | 1953-08-31 | University of Alberta Museums | 68598 | |||
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Aster hesperius A. Gray | McCalla, William C. | Hampson, C. G. | 1953-08-31 | University of Alberta Museums | 68597 | |||
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Hieracium umbellatum L. | McCalla, William C. | Breitung, August Julius | 1946-08-16 | University of Alberta Museums | 67805 | |||
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Chrysanthemum leucanthemum L. | McCalla, William C. | 1897-06-21 | University of Alberta Museums | 68240 | |||
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Eriophyllum lanatum (Pursh) J. Forbes | McCalla, William C. | 1955-07-22 | University of Alberta Museums | 67950 | |||
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Helianthus subrhomboideus Rydb. | McCalla, William C. | 1945-08-02 | University of Alberta Museums | 67822 | |||
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Artemisia frigida Willd. | McCalla, William C. | 1947-08-25 | University of Alberta Museums | 68896 | |||
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Hieracium pratense Tausch | McCalla, William C. | 1948-06-10 | University of Alberta Museums | 67786 | |||
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Galinsoga quadriradiata Ruiz & Pav. | McCalla, William C. | Warwick, S. I. | 1942-09-04 | 1981 | University of Alberta Museums | 68003 | |
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Artemisia campestris L. | McCalla, William C. | 1950-08-02 | University of Alberta Museums | 68829 | |||
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Artemisia absinthium L. | McCalla, William C. | 1943-08-20 | University of Alberta Museums | 68879 | |||
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Antennaria rosea Greene | McCalla, William C. | Bayer, Randall J. | 1951-08-02 | University of Alberta Museums | 69099 | ||
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Aster hesperius A. Gray | McCalla, William C. | 1945-09-01 | University of Alberta Museums | 68707 | |||
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Artemisia campestris L. ssp. pacifica (Nutt.) H. M. Hall & Clem. | McCalla, William C. | Fabijan, Dorothy M. | 1899-09-16 | 2015-12-18 | University of Alberta Museums | 68836 | |
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Aster laevis L. | McCalla, William C. | 1947-08-28 | University of Alberta Museums | 68607 | |||
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Hieracium umbellatum L. | McCalla, William C. | 1923-08-20 | University of Alberta Museums | 67797 | |||
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Hieracium pratense Tausch | McCalla, William C. | 1948-06-10 | University of Alberta Museums | 67785 | |||
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Antennaria rosea Greene | McCalla, William C. | Bayer, Randall J. | 1951-08-02 | University of Alberta Museums | 69100 | ||
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Bidens cernua L. | McCalla, William C. | Diane L. Beniot | 1895-09-06 | 1986-04-07 | University of Alberta Museums | 68414 | |
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Aster hesperius A. Gray | McCalla, William C. | 1948-08-28 | University of Alberta Museums | 68710 | |||
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Bidens tripartita L. | McCalla, William C. | 1895-09-06 | University of Alberta Museums | 68428 | |||
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Aster hesperius A. Gray | McCalla, William C. | 1947-08-18 | University of Alberta Museums | 68599 | |||
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Crepis tectorum L. | McCalla, William C. | 1957-06-04 | University of Alberta Museums | 68332 | |||
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Aster laevis L. | McCalla, William C. | 1945-08-06 | University of Alberta Museums | 68634 | |||
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Helianthus subrhomboideus Rydb. | McCalla, William C. | 1950-08-16 | University of Alberta Museums | 67818 | |||
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Aster hesperius A. Gray | McCalla, William C. | 1947-08-24 | University of Alberta Museums | 68708 | |||
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Artemisia frigida Willd. | McCalla, William C. | 1899-09-16 | University of Alberta Museums | 68893 | |||
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Helianthus subrhomboideus Rydb. | McCalla, William C. | 1925-08-24 | University of Alberta Museums | 67816 | |||
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Gnaphalium uliginosum L. | McCalla, William C. | 1896-08-29 | University of Alberta Museums | 68016 |