Here are a few links I'd be happy to recommend - some of my favourite sites, friends or just useful locations....

SOCIETIES AND ORGANISATIONS

The Alpine Garden Society some local groups have separate sites with show reports etc.

• Cleveland AGS group

The Androsace Group

The Cyclamen Society

The Royal Horticultural Society

The Saxifrage Society

The Scottish Rock Garden Club

The North American Rock Garden Society

USEFUL SITES

• Primula World from Pam Eveleigh I can't rate this site highly enough, fantastic photography and THE resource for Primulas!
• The Alpine Garden from Alan Grainger The most comprehensive resource, full of information, pictures, seed info, many useful links etc. etc!
• Backyardgardener. Excellent garden resource site - lots more links, alpines and much more!
• Hannelotte Kindlund's garden in Sweden Useful resource listing many interesting sites and sources of seed / plants.
• The Crocus page from Tony Goode Fascinating site full of information relating to Crocus supported by numerous images.
• Judy's Snowdrops Excellent site dealing with Snowdrops, all the links you might need, photographs and interesting list - for sale. (If you browse and order - please mention where you saw the link!)
• Gardens and plants - Gunhild and Thorkild Poulsen The Poulsen's site is full of numerous images and information detailing this fantastic garden in Denmark.
• The website of Alain Denis Alain's web site is full of interesting pictures - garden and travels plus excellent links.
• Edgewood Gardens John Lonsdale's superb site packed with galleries and useful information.
• Mark McDonough's Allium Central plus much more...
• Primulas Auriculas, Alpines and Shows... If you like Primulas (and I do) have a look at the show reports here!
• Rock Garden Plant database