👉 Rueppel's system is a classification system for plant species based on their ability to form frass, which is a type of woody material that contains lignin and cellulose. It was developed by German botanist Rudolf R. Rueppel in 1907.
👉 Rueppel's system is a classification system for plant species based on their ability to form frass, which is a type of woody material that contains lignin and cellulose. It was developed by German botanist Rudolf R. Rueppel in 1907.
