Though none are geophyte specialists a few here that might be of interest:- David Nicholson in Devon, UK, Zone 9b and if so the wettest imaginable! Joseph Jurusek http://zahradnictvi-svjan.cz/data/semena2011.html/ Vladislav Piatek http://www.alpine-seeds.com/seeds.html Milan Sembol http://www.cypripediums.net/english.htm Seedhunt http://www.seedhunt.com/ Chiltern Seeds http://www.chilternseeds.co.uk/ Barnhaven Primroses http://www.barnhavenprimroses.com/barnhaven.php