Aristid Lindenmayer used it originally as a model to study the growth of algae, so it has some scientific applications. While computer graphics is the most comm

Aristid Lindenmayer used it originally as a model to study the growth of algae, so it has some scientific applications. While computer graphics is the most common use case, L-systems have also been used for generating music. http://algorithmicbotany.org/papers/ http://algorithmicbotany.org/papers/ has a list of papers and other related texts, including the classic book The Algorithmic Beauty of Plants.