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
collected Erigeron canadensis L. McCalla, William C. | Hampson, C. G. 1953-09-03 University of Alberta Museums 68081
collected Aster hesperius A. Gray McCalla, William C. | Hampson, C. G. 1953-08-31 University of Alberta Museums 68598
collected Aster hesperius A. Gray McCalla, William C. | Hampson, C. G. 1953-08-31 University of Alberta Museums 68597
collected Hieracium umbellatum L. McCalla, William C. | Breitung, August Julius 1946-08-16 University of Alberta Museums 67805
collected Chrysanthemum leucanthemum L. McCalla, William C. 1897-06-21 University of Alberta Museums 68240
collected Eriophyllum lanatum (Pursh) J. Forbes McCalla, William C. 1955-07-22 University of Alberta Museums 67950
collected Helianthus subrhomboideus Rydb. McCalla, William C. 1945-08-02 University of Alberta Museums 67822
collected Artemisia frigida Willd. McCalla, William C. 1947-08-25 University of Alberta Museums 68896
collected Hieracium pratense Tausch McCalla, William C. 1948-06-10 University of Alberta Museums 67786
collected Galinsoga quadriradiata Ruiz & Pav. McCalla, William C. Warwick, S. I. 1942-09-04 1981 University of Alberta Museums 68003
collected Artemisia campestris L. McCalla, William C. 1950-08-02 University of Alberta Museums 68829
collected Artemisia absinthium L. McCalla, William C. 1943-08-20 University of Alberta Museums 68879
collected Antennaria rosea Greene McCalla, William C. Bayer, Randall J. 1951-08-02 University of Alberta Museums 69099
collected Aster hesperius A. Gray McCalla, William C. 1945-09-01 University of Alberta Museums 68707
collected 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
collected Aster laevis L. McCalla, William C. 1947-08-28 University of Alberta Museums 68607
collected Hieracium umbellatum L. McCalla, William C. 1923-08-20 University of Alberta Museums 67797
collected Hieracium pratense Tausch McCalla, William C. 1948-06-10 University of Alberta Museums 67785
collected Antennaria rosea Greene McCalla, William C. Bayer, Randall J. 1951-08-02 University of Alberta Museums 69100
collected Bidens cernua L. McCalla, William C. Diane L. Beniot 1895-09-06 1986-04-07 University of Alberta Museums 68414
collected Aster hesperius A. Gray McCalla, William C. 1948-08-28 University of Alberta Museums 68710
collected Bidens tripartita L. McCalla, William C. 1895-09-06 University of Alberta Museums 68428
collected Aster hesperius A. Gray McCalla, William C. 1947-08-18 University of Alberta Museums 68599
collected Crepis tectorum L. McCalla, William C. 1957-06-04 University of Alberta Museums 68332
collected Aster laevis L. McCalla, William C. 1945-08-06 University of Alberta Museums 68634
collected Helianthus subrhomboideus Rydb. McCalla, William C. 1950-08-16 University of Alberta Museums 67818
collected Aster hesperius A. Gray McCalla, William C. 1947-08-24 University of Alberta Museums 68708
collected Artemisia frigida Willd. McCalla, William C. 1899-09-16 University of Alberta Museums 68893
collected Helianthus subrhomboideus Rydb. McCalla, William C. 1925-08-24 University of Alberta Museums 67816
collected Gnaphalium uliginosum L. McCalla, William C. 1896-08-29 University of Alberta Museums 68016