Agave and Yucca: Tough Plants for Tough Times over 20 species of yucca http://edis.ifas.ufl.edu/ep419 http://edis.ifas.ufl.edu/ep419 over 20 species of yucca Agave and Yucca http://edis.ifas.ufl.edu/ep419 over 20 species of yucca over 20 species of yucca http://edis.ifas.ufl.edu/ep419 over 20 species of yucca over 20 species of yucca http://edis.ifas.ufl.edu/ep419 http://edis.ifas.ufl.edu/ep419 http://edis.ifas.ufl.edu/ep419 http://edis.ifas.ufl.edu/ep419 Agave and Yucca: Tough Plants for Tough Times