| Ground Under Conifers | growing on the ground under coniferous trees, will match with woodlands, woods, forest, near trees, humus, under trees, conifers, under conifers, larch, spruce, fir, Douglas fir, pine, hemlock, cedar |
| Ground Under Hardwoods | growing on the ground under will match with alder, willow, aspen, oak, eucalyptus, maple, beech, madrone, elm, birch, poplar, cottonwood |
| Burned Ground | growing on the ground where there has been a fire, will match with burned areas, burns, burned ground, burned soil |
| On Unspecified Wood | growing on wood, but not specified whether this is conifer wood or hardwood, will match with wood, stump, log, trunk, branch, limb, twig, stick, timber, or lumber: any species that matches with conifer wood, hardwood, or wood chips will match with this option |
| On Conifer Wood | growing on conifer wood, will match with wood, stump, log, trunk, branch, limb, twig, stick, timber, or lumber, together with conifer, larch, fir, spruce, pine, Douglas fir, hemlock, or cedar |
| On Hardwood | growing on the wood of broadleaf (usually deciduous) trees, will match with wood, stump, log, trunk, branch, limb, twig, stick, timber, or lumber, together with hardwood, alder, willow, aspen, beech, oak, maple, madrone, elm, ash, birch, wild cherry, poplar, cottonwood, or poplar |
| On Burned Wood | growing on wood charred by a fire, will match with burned wood, charred wood, charcoal |
| On Needles | found on needles of conifers on the ground, will match with needles |
| On Cones | will match with cones |
| On Leaves | will match with leaf, leaves, foliage, salal |
| On Bark | will match with bark |
| On Wood Chips or Sawdust | will match with wood chips, sawdust |
| In Grass | will match with grass, lawn, pasture, field, turf, meadow |
| On Straw | will match with straw |
| On Hay | will match with hay |
| On Other Monocots | growing on parts of monocotyledonous plants (flowering plant with one seed-leaf (grasses, sedges, rushes etc), will match with monocot, sedge, Carex, Juncus, Typhus, Scirpus |
| On Berry Canes | will match with berry, canes, Rubus |
| With or on Ferns | will match with fern |
| In or on Moss | will match with moss, Sphagnum |
| With Other Plant Material | will match with plant, devil's club, Marchantia, vines, hedge, brush, herbaceous stem, salal, lichen |
| On Other Mushrooms | will match with mushrooms |
| Clustered or in Tufts | will match with cespitose, caespitose, cluster, or tuft |
| In Waste Places | growing in disturbed areas, will match with waste places, road, path, trail, wayside, disturbed, trash |
| In Arid Places | growing in very dry places, will match with arid, desert, dry, sand dune |
| In Sandy Areas | will match with sand, desert |
| In Wet Places | will match with wet, pond, stream, swamp, mud, bog, damp |
| Swamps or Bogs | will match with swamp, bog, Sphagnum |
| Near Snowbanks | often growing at the edge of melting snowbanks in spring, will match with snow |
| On Cultivated Soil | will match with compost, cultivated, garden, manure, rich soil, mulch |
| On Dung | will match with dung, manure, droppings |
| In Greenhouses | found in the warmer environment inside a greenhouse, will match with greenhouse |
| On Fabric | will match with fabric, cloth |