1. Having no adverse effect

See also: innocuous

• genus Mandevilla
• genus Mandragora
• genus Mandrillus
• genus Manduca
• genus Mangifera
• genus Manglietia
• genus Manihot
• genus Manilkara
• genus Manis
• genus Manta
• genus Mantis
• genus Maranta
• genus Marasmius
• genus Marattia
• genus Marchantia
• genus Marmota
• genus Marrubium
• genus Marsilea
• genus Martes
• genus Martynia
• genus Masdevallia
• genus Masticophis
• genus Mastigoproctus
• genus Mastodon
• genus Mastotermes