Holm, 1977. East-West Center by the Univ. Press of Hawaii. Technology and engineering. Document reference Holm, L. G., 1977. The world's worst weeds: distribution and biology. East-West Center by the Univ. Press of Hawaii. Technology and engineering.Web http://books.google.fr/booksCitation key Holm, 1977Datasheets Egyptian crowfoot grass (Dactyloctenium aegyptium)Para grass (Brachiaria mutica)