Previous articleNext article No AccessForms of Crataegus pruinosaH. W. RickettH. W. Rickett Search for more articles by this author PDFPDF PLUS Add to favoritesDownload CitationTrack CitationsPermissionsReprints Share onFacebookTwitterLinkedInRedditEmail SectionsMoreDetailsFiguresReferencesCited by Volume 97, Number 4Jun., 1936 Article DOIhttps://doi.org/10.1086/334603 Views: 1Total views on this site Citations: 8Citations are reported from Crossref Journal History This article was published in the Botanical Gazette (1876-1991), which is continued by International Journal of Plant Sciences (1992-present). PDF download Crossref reports the following articles citing this article:M. Zarrei, S. Stefanović, T. A. Dickinson Reticulate evolution in North American black-fruited hawthorns (Crataegus section Douglasia; Rosaceae): evidence from nuclear ITS2 and plastid sequences, Annals of Botany 114, no.22 (Jul 2014): 253–269.https://doi.org/10.1093/aob/mcu116Timothy A. Dickinson, Eugenia Y.Y. Lo, Nadia Talent, Rhoda M. Love Black-fruited hawthorns of western North America — one or more agamic complexes?This paper is one of a selection of papers published in the Special Issue on Systematics Research.This paper is dedicated to the memory of the University of Idaho botanist who got us thinking about the complexities of Northwest hawthorns: the late Steven J. Brunsfeld., Botany 86, no.88 (Aug 2008): 846–865.https://doi.org/10.1139/B08-072Nadia Talent, Timothy A. Dickinson Polyploidy in Crataegus and Mespilus (Rosaceae, Maloideae): evolutionary inferences from flow cytometry of nuclear DNA amounts, Canadian Journal of Botany 83, no.1010 (Oct 2005): 1268–1304.https://doi.org/10.1139/b05-088Timothy A. Dickinson, Svenja Belaoussoff, Rhoda M. Love, M. Muniyamma North American black-fruited hawthorns. I. Variation in floral construction, breeding system correlates, and their possible evolutionary significance inCrataegus sect.Douglasii London, Folia Geobotanica et Phytotaxonomica 31, no.33 (Dec 1996): 355–371.https://doi.org/10.1007/BF02815380T. A. Dickinson, J. B. Phipps STUDIES IN CRATAEGUS (ROSACEAE: MALOIDEAE) XIV. THE BREEDING SYSTEM OF CRATAEGUS CRUS-GALLI SENSU LATO IN ONTARIO, American Journal of Botany 73, no.11 (Jan 1986): 116–130.https://doi.org/10.1002/j.1537-2197.1986.tb09687.xJ.B. Phipps Problems of Hybridity in the Cladistics of Crataegus (Rosaceae), (Jan 1984): 417–438.https://doi.org/10.1016/B978-0-12-295680-5.50031-7M. Muniyamma, J. B. Phipps CYTOLOGICAL PROOF OF APOMIXIS IN CRATAEGUS (ROSACEAE), American Journal of Botany 66, no.22 (Feb 1979): 149–155.https://doi.org/10.1002/j.1537-2197.1979.tb06207.xJoh. Mattfeld Systematik, (Jan 1937): 31–70.https://doi.org/10.1007/978-3-642-92429-3_4