Galanthus earlier authors had mainly relied on was shown to be highly homoplasious. A number of species, such as "G. nivalis" and "G. elwesii" demonstrated intraspecific biogeographical clades, indicating problems with speciation and there may be a need for recircumscription. These clades were assigned names, partly according to Davis' previous groupings. In this model clade Platyphyllus is sister to the rest of the genus. By contrast another study performed at the same time, using both nuclear and chloroplast DNA but limited to the 14 species found in Turkey, largely confirmed Davis' series and subseries, and with biogeographical correlation. Series "Galanthus" in
Northwest Flower and Garden Show three stages, including a do-it-yourself demo stage. The show's 75–80 seminar speakers include garden writers and garden design experts from around the US, Canada, and UK. The show also has a City Living gardening demonstration, a balcony garden exhibition, the Vintage Garden Market, the Gourmet Marketplace, Ikebana displays, and a floral competition. There is a live reality show held daily in front of show audiences which have friendly competitions. Container Wars challenges two designers to create three lush planted containers in under an hour. The 2019 Northwest Flower & Garden Show dates are February 20 to 24. The show was