Chinese puzzle, Gordian knot, Rube Goldberg contraption, afforestation, arboretum, boondocks, bush, bushveld, can of worms, chase, climax forest, cloud forest, complex, dendrology, forest, forest land, forest preserve, forestry, fringing forest, gallery forest, greenwood, hanger, hash, hugger-mugger, index forest, jumble, jungles, knot, labyrinth, litter, mash, maze, meander, mesh, mess, mishmash, morass, muddle, national forest, palmetto barrens, park, park forest, perplex, pine barrens, primeval forest, protection forest, rain forest, ravel, reforestation, rummage, scramble, scrub, scrubland, selection forest, shrubland, silviculture, skein, snafu, snake pit, snarl, sprout forest, stand of timber, state forest, tangle, tangled skein, timber, timberland, tree veld, virgin forest, web, webwork, wheels within wheels, wilderness, wildwood, wood, woodland, woods
complexity, complexness, complexus, complication, implication, intricacy, intrication, perplexity, network, labyrinth, wilderness, jungle
, involution, raveling, entanglement, coil, sleave, tangled skein, knot, Gordian knot, wheels within wheels, kink, gnarl, knarl, webwork, difficulty, gnarled, knarled, complex, complexed, intricate, complicated, perplexed, involved, raveled, entangled, knotted, tangled, inextricable, irreducible.
vegetable, vegetable kingdom, flora, verdure, plant, tree, shrub, bush, creeper, herb, herbage, grass, annual, perennial, biennial, triennial, exotic, timber, forest, wood, woodlands, timberland, hurst, frith, holt, weald, park, chase, greenwood, brake, grove, copse, coppice, bocage, tope, clump of trees, thicket, spinet, spinney, underwood, brushwood, scrub, boscage, bosk, ceja, chaparal, motte, arboretum, bush, jungle
, prairie, heath, heather, fern, bracken, furze, gorse, whin, grass, turf, pasture, pasturage, turbary, sedge, rush, weed, fungus, mushroom, toadstool, lichen, moss, conferva, mold, growth, alfalfa, alfilaria, banyan, blow, blowth, floret, petiole, pin grass, timothy, yam, yew, zinnia, foliage, branch, bough, ramage, stem, tigella, spray, leaf, flower, blossom, bine, flowering plant, timber tree, fruit tree, pulse, legume, vegetable, vegetal, vegetive, vegitous, herbaceous, herbal, botanic, sylvan, silvan, arborary, arboreous, arborescent, arborical, woody, grassy, verdant, verdurous, floral, mossy, lignous, ligneous, wooden, leguminous, vosky, cespitose, turf-like, turfy, endogenous, exogenous, green-robed senators of mighty woods, this is the forest primeval.