Clausen, J (1949). "Experimental Studies on the Nature of Species III. Environmental Responses of Climatic Races of Achillea. Jens Clausen , David D. Keck , William M. Hiesey". The Quarterly Review of Biology. 24 (2): 144. doi:10.1086/396966. ISSN0033-5770.
Hargreaves, Anna L.; Germain, Rachel M.; Bontrager, Megan; Persi, Joshua; Angert, Amy L. (2020-03-01). "Local Adaptation to Biotic Interactions: A Meta-analysis across Latitudes". The American Naturalist. 195 (3): 395–411. doi:10.1086/707323. ISSN0003-0147. PMID32097037. S2CID209575982.
Hargreaves, Anna L.; Germain, Rachel M.; Bontrager, Megan; Persi, Joshua; Angert, Amy L. (2020-03-01). "Local Adaptation to Biotic Interactions: A Meta-analysis across Latitudes". The American Naturalist. 195 (3): 395–411. doi:10.1086/707323. ISSN0003-0147. PMID32097037. S2CID209575982.
Hargreaves, Anna L.; Germain, Rachel M.; Bontrager, Megan; Persi, Joshua; Angert, Amy L. (2020-03-01). "Local Adaptation to Biotic Interactions: A Meta-analysis across Latitudes". The American Naturalist. 195 (3): 395–411. doi:10.1086/707323. ISSN0003-0147. PMID32097037. S2CID209575982.
Clausen, J (1949). "Experimental Studies on the Nature of Species III. Environmental Responses of Climatic Races of Achillea. Jens Clausen , David D. Keck , William M. Hiesey". The Quarterly Review of Biology. 24 (2): 144. doi:10.1086/396966. ISSN0033-5770.
Hargreaves, Anna L.; Germain, Rachel M.; Bontrager, Megan; Persi, Joshua; Angert, Amy L. (2020-03-01). "Local Adaptation to Biotic Interactions: A Meta-analysis across Latitudes". The American Naturalist. 195 (3): 395–411. doi:10.1086/707323. ISSN0003-0147. PMID32097037. S2CID209575982.