An inventory of all known material preserved in what is now known as the "Ritter archive", the seed samples which were collected by Friedrich Ritter from the early 1950s until the 1970s, and which represent a remarkable source of information for future succulent research.
There are currently no reviews for this product. Be the first to review this product!
Your orders support book donation projects
NHBS has enriched my life with knowledge for many years now
Search and browse over 110,000 wildlife and science products
Multi-currency. Secure worldwide shipping
Wildlife, science and conservation since 1985