species complex

noun

A group of closely related species so similar in appearance that the boundaries between them are often unclear.

Meanings

nounspecies complex (plural species complexes)

plural species complexes

  1. biologyA group of closely related species so similar in appearance that the boundaries between them are often unclear.

    Synonyms: complex, species group, species aggregate

Synonyms & antonyms

nounA group of closely related species so similar in appearance that the boundaries between them are often unclear.

Cite this entry
APA

species complex. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/species%20complex

MLA

“species complex.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/species%20complex. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “species complex,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/species%20complex.

Source: species complex on Wiktionary, CC BY-SA 4.0.