A listing of common shade perennials for very acidic sites, native Pennsylvania
Note: column labeled Cty indicates whether the species is native to Monroe County, Pennsylvania. All others listed are native to Pennsylvania
| Latin | Common | Indic | Notes | Cty |
|---|---|---|---|---|
| Amianthium muscaetoxicum | Crow Poison, Fly Poison | FAC | Rich open woods, mostly eastern counties | yes |
| Asarum canadense var acuminatum | Wild Ginger | FACU- | Rich moist woods, mostly western ctys. | yes |
| Asarum canadense var reflexum | Wild Ginger | FACU- | Rich moist woods, scattered | No |
| Aureolaria pedicularia | Cutleaf False Foxglove | NI | Open woods rich soil, under oaks | yes |
| Botrychium virginianum | Rattlesnake Fern | FACU | Shade, rich moist humus,throughout | yes |
| Caulophyllum thalictroides | Blue Cohosh | NI | Shade, humus rich soil, common | yes |
| Chimaphila maculata | Striped Pipsissewa | NI | Dry open woods, common | yes |
| Chimaphila umbellata ssp. cisatlantica | Common Pipsissewa | NI | Dry open woods | yes |
| Clintonia borealis | Bead Lily | FAC | Shady, cold, moist woods and thickets, mostly mountains | yes |
| Conopholis americana | Squawroot | NI | Rich oak or beech woods | yes |
| Coptis trifolia ssp. groenlandica | Goldthread | FACW | Moist woods, cool rich soil, common | yes |
| Cornus canadensis | Bunchberry | FAC- | Wet areas of rich open woods, northern and upland counties | yes |
| Cypripedium acaule | Pink Ladyslipper | FACU- | Dry woodlands, well mulched, common | yes |
| Dalibarda repens | Star Violet, Dew Drop, Robin Runaway | FAC | Cool moist shaded woodlands, common | yes |
| Dennstaedtia punctilobula | Hay Scented Fern | NI | Dry sterile open woods (or sun); throughout | yes |
| Dicentra eximia | Fringed Bleedingheart | NI | Rich, damp woods, mulch oak. Endangered | yes |
| Dodecatheon meadia | Shooting Star | FACU | Open woods moderately rich soil, scattered | No |
| Dryopteris clintoniana | Clinton Woodfern | FACW+ | Very wet, mucky woods and thickets | yes |
| Dryopteris cristata | Crested Woodfern | FACW+ | Very wet mucky woods and thickets | yes |
| Dryopteris goldiana | Goldie Woodfern | FAC+ | Deep, moist, humus rich woods | yes |
| Thelypteris noveboracensis | NIew York Fern | FAC | Prefers dry (moist okay) oak beech birch maple woods, humus rich | yes |
| Phegopteris connectilis | NIarrow Beech Fern | FACU+ | Moist, loose humus woods, mostly northern counties | yes |
| Dryopteris carthusiana | Toothed Woodfern | FAC+ | Swamps, wet woods, rocky slopes, Spinulose wood fern, throughout | yes |
| Thelypteris palustris | Marshfern | FACW+ | Soft, rich, muddy soil, full sun okay, throughout | yes |
| Dryopteris x bootii | Boott Woodferm | NI | Swampy thickets, wet woods, common | yes |
| Epifagus virginiana | Beechdrops | NI | Humus rich soil under beech trees; annual | yes |
| Epigaea repens | Trailing Arbutus | NI | Humus rich, well drained soil | yes |
| Gaultheria procumbens | Wintergreen | FACU | Wide range (sun, shade, wet/dry, rich/clay); throughout | yes |
| Goodyera repens | Lesser Rattlesnake -Plantain | FACU+ | Warm, dry woods (evergreens); scattered | yes |
| Goodyera tesselata | Checkered Rattlsnake Plaintain | FACU- | Damp warm woods | yes |
| Hepatica nobilis var acuta | Liverleaf | NI | Dry rocky slopes, humus rich acid soil | No |
| Hepatica nobilis var obtusa | Liverleaf | NI | Dry rocky slopes, humus rich acid soil | No |
| Hypoxis hirsuta | Goldstar Grass | FAC | Open woods and fields, acid loam, throughout | yes |
| Jeffersonia diphylla | Twinleaf | NI | Rich damp open woods, mostly western counties | No |
| Lilium philadelphicum | Wood Lily | FACU+ | Well drained soil in dry woods, mostly eastern ctys | yes |
| Linnaea borealis | Twinflower | FAC | Humus rich, very acid, cold, wet woods and swamps and banks, scattered | yes |
| Liparis liliifolia | Lily Twayblade | FACU- | Moist sandy loam, mostly SE, SW | yes |
| Liparis loeselii | Lily Twayblade | FACW | NIear springs, in bogs, and wet sunny places | yes |
| Lygodium palmatum | Hartford Fern | FACW | Moist open woods, thickets, bogs; rare; scattered in eastern cts | yes |
| Maianthemum canadense | Canada Mayflower | FAC | Moist, rich to dry, often sandy woods and clearings; throughout | yes |
| Medeola virginiana | Indian Cucumber Root | NI | Moist woods, throughout | yes |
| Monotropa hypopithys | Pinesap | NI | Dry pine woods | yes |
| Onoclea sensibilis | Sensitive Fern | FACW | Wet meadows, thickets, woods, streambanks, swamps and bogs, throughout | yes |
| Osmunda cinnamomea | Cinnamon Fern | FACW | Moist muddy soil, shade | yes |
| Osmunda regalis | Royal Fern | OBL | Rich oozy mud of ditches, swamps, bogs, streambanks | yes |
| Oxalis acetosella | American Wood Sorrel | FAC- | Shallow sandy loams to loamy tills, mostly northern counties | yes |
| Oxalis dillenii ssp. filipes | Southern Yellow Wood Sorrel | NI | Shallow sandy loams to loamy tills, mostly southern and eastern counties | yes |
| Oxalis stricta | Common Yellow Wood Sorrel | UPL- | Shallow sandy loams to loamy tills, mostly northern counties | yes |
| Oxalis violacea | Violet Wood Sorrel | NI | Shallow sandy loams to loamy tills, mostly northern counties | yes |
| Panax quinquefolius | American Ginseng | NI | Wooded slopes, moist ground, scattered | yes |
| Podophyllum peltatum | Mayapple | NI | Damp open maple woods and clearings, throughout | yes |
| Polygala paucifolia | Fringed Polygala, Bird On Wing | FACU | Rich moist woods, all but western counties | yes |
| Polygonatum biflorum var. commutatum | Great Solomonseal | FACU | Mesic fertile loamy soil | yes |
| Polygonatum biflorum | Solomonseal | FACU | Moist, rich woods, roadside ditches, edges of streams and ponds, eastern and western counties | yes |
| Polypodium polypodioides | Resurrection Fern | RARE | Epiphytic on trees, also found in rock crevices | No |
| Polypodium virginianum | Common Polypody | NI | Dry shaded ledges and crests in ravines, in calcareous or somewhat acid soils | yes |
| Polystichum acrostichoides | Christmas Fern | NI | Organically rich, dry to medium wet, well-drained soils, throughout | yes |
| Pteridium aquilinum var. latiusculum | Eastern Bracken | FACU | Dry open woods, colonizer, throughout | yes |
| Pyrola americana | Wild Lily Of The Valley | FAC | Dry sandy soil, under pines, common | yes |
| Pyrola elliptica | Waxflower Pyrola | UPL | Rich dry coniferous woods, throughout | yes |
| Rhexia virginica | Meadow Beauty | OBL | Rich acid soil, more sun than shade, mostly SE | yes |
| Rhododendron calendulaceum | Flame Azalea | NI | Sun to light shade, moist - extirpated. Somerset, Montgomery | No |
| Rhododendron canadense | Rhodora, Piedmont Azalea | FACW, NE counties | Moist rich soil, medium shade to light shade | yes |
| Rhododendron maximum | Rosebay | FAC | Moist rocky slopes, throughout | yes |
| Rhododendron periclymenoides | Pinxterbloom | FAC | Medium shade, moist, throughout | yes |
| Solidago odora | Fragrant Goldenrod | NI | Dry soil light shade, mostly eastern counties | yes |
| Stenanthium gramineum | Featherfleece, Featherbells | FACW | Moist rocky woods, rich wooded slopes, base of wooded bluffs, open banks along railroads, roadsides, western counties | No |
| Symphyotrichum laterifolium | Calico Aster | FACW- | Open woods and thickets no special care | yes |
| Thalictrum thalictroides | Rue Anemone | FACU- | Rich moist humus soil, throughout except for most northern counties | yes |
| Tipularia discolor | Cranefly Orchid | FACU | Rich acid woods/compost, SE counties | No |
| Trientalis borealis | Starflower | FAC | Dry or moist sites in sandy soil with open shade, common | yes |
| Trillium erectum var erectum | Purple Trillium | FACU- | Rich woods, common; see also var. Album and x flexipes for western counties | yes |
| Trillium undulatum | Painted Trillium | FACU | Moist woods, bogs | yes |
| Mitchella repens | Partridgeberry | FACU | Low moist woods and sandy bogs, throughout | yes |
| Asarum canadense var canadense | Wild Ginger | FACU- | Rich moist woods, throughout | yes |
| Athyrium felixfemina | Lady Fern | FAC | Humus rich soil, sun to shade, throughout | yes |