N. cinerea

N. cinerea is an abbreviated binomial name that may refer to the following species:

Bacteria

 * Neisseria cinerea – a proteobacterium

Plants

 * Namibia cinerea – a dicot

Insects

 * Nauphoeta cinerea – speckled cockroach
 * Nemacerota cinerea – a moth
 * Nepa cinerea – a water scorpion

Mammals

 * Neophoca cinerea – Australian sea lion
 * Neotoma cinerea – bushy-tailed woodrat