eclectic

manifold, multifarious

multiple, multiplex, myriad

disparate, divergent, diverse, sundry, various

chaotic, cluttered, confused, disarranged, disarrayed, disheveled (or dishevelled), disordered, farraginous, jumbled, littered, messed, messy, muddled

amalgamated, blended, combined, commingled, commixed, conglomerated, fused, incorporated, intermingled, intermixed, merged, mingled

composite, conglomerate, hybrid

unclassified, unsorted