In the species S. nigricans, females usually mate with a single male each morning during spawning seasons.
Schoenus nigricans | S. nigricans | Russula nigricans | Rhizopus nigricans | Prochilodus nigricans | Clarias nigricans |
Rhizopus nigricans, the breadmold, a harmless mold species known to grow on bread
•
Russula nigricans, the blackening brittlegill or blackening russula, a gilled mushroom species found in woodland in Europe
Salix myrsinifolia (syn. S. nigricans Smith) is a species of willow native to Europe and Western Siberia.