Of the Dogwood family (Cornaceae), the flowering dogwood (Cornus florida).
Of the Dogwood family (Cornaceae), the dwarf cornel bunchberry (Cornus Canadensis).
Of the Pyrola family (Pyrolaceae): 1, Pipsissewa Prince's Pine (Chimaphila umbellata); 2, Spotted Wintergreen…
Of the Pyrola family (Pyrolaceae), the one-flowered pyrola (Moneses uniflora).
Of the Pyrola family (Pyrolaceae), Pyrola asarifolia.
Of the Pyrola family (Pyrolaceae), the Indian pipe (Monotropa uniflora).
Of the Pyrola family (Pyrolaceae), the false beech-drops (Monotropa Hypopitys).
"Section across a lake littoral zone, showing typical plant species." From left to right: tapegrass,…
Of the Heath family (Ericaceae), the creeping snowberry (Chiogenes hispidula).
Of the Heath family (Ericaceae), the bearberry (Arctostaphylos Uva-ursi).
Of the Heath family (Ericaceae), the trailing arbutus (Epigaea repens).
Of the Heath family (Ericaceae), the checkerberry (Gaultheria procumbens).
Of the Heath family (Ericaceae), the mountain laurel (Kalmia latifolia).
Of the Heath family (Ericaceae), the white swamp honeysuckle (Rhododendron viscosum).
Of the Heath family (Ericaceae), the pale laurel (Kalmia polifolia).
Of the Heath family (Ericaceae), the flame azalea (Rhododendron calendulaceum).
Of the Heath family (Ericaceae), the pinxter flower (Rhododendron nudiflorum).
Of the Heath family (Ericaceae), the great laurel (Rhododendron maximum).
Of the Diapensia family (Diapensiaceae), the featherfoil (Hottonia inflata).
Of the Diapensia family (Diapensiaceae), pyxie moss (Pyxidanthera barbulata) and an "enlarged blossom…
Of the Primrose family (Primulaceae), the dwarf Canadian primrose (Primula mistassinica).
Of the Primrose family (Primulaceae), the shooting star (Dodecatheon Meadia).
Of the Primrose family (Primulaceae), the fringed loosestrife (Steironema ciliatum).
Of the Primrose family (Primulaceae), the loosestrife (Lysimachia terrestris).
Of the Primrose family (Primulaceae), the four-leaved loosestrife (Lysimachia quadrifolia).
Of the Primrose family (Primulaceae), the Glaux maritima.
Of the Plumbago or Leadwort family (Plumbaginaceae), the marsh rosemary (Limonium carolinianum).
Of the Primrose family (Primulaceae), the pimpernel (Anagallis arvensis).
Of the Gentian family (Gentianaceae), the spiked centaury (Centaurium spicatum).
Of the Gentian family (Gentianaceae), the Centaurium umbellatum.
Of the Gentian family (Gentianaceae), the Centaurium pulchellum.
Of the Gentian family (Gentianaceae), the sea pink (Sabbatia stellaris).
Of the Gentian family (Gentianaceae), the Sabbatia gracilis.
Of the Gentian family (Gentianaceae), the rose pink (Sabbatia angularis).
Of the Gentian family (Gentianaceae), the ague-weed (Gentiana quinquefolia).
Of the Gentian family (Gentianaceae), the smaller fringed gentian (Gentiana procera).
Of the Gentian family (Gentianaceae), the bottle gentian (Gentiana Andrewsii).
Of the Gentian family (Gentianaceae), the striped gentian (Gentiana villosa).
Of the Gentian family (Gentianaceae), the Gentiana Porphyrio.
Of the Gentian family (Gentianaceae), the soapwort gentian (Gentiana Saponaria).
Of the Gentian family (Gentianaceae), yellow bartonia (Bartonia virginiana).
Of the Dogbane family (Apocynaceae), the spreading dogbane (Apocynum androsaemifolium).
Of the Dogbane family (Apocynaceae), the Indian hemp (Apocynum cannabinum).
Of the Milkweed family (Asclepiadaceae), the butterfly weed (Asclepias tuberosa).
Of the Milkweed family (Asclepiadaceae), the whorled milkweed (Asclepias verticillata).
Of the Milkweed family (Asclepiadaceae), the common milkweed (Asclepias syriaca).
Of the Phlox family (Polemoniaceae), the downy phlox (Phlox pilosa).
Of the Phlox family (Polemoniaceae), the moss pink (Phlox subulata).
Of the Phlox family (Polemoniaceae), the Greek valerian (Polemonium reptans).
Of the Phlox family (Polemoniaceae), the wild blue phlox (Phlox divaricata).
Of the Phlox family (Polemoniaceae), the Jacob's ladder (Polemonium Van-Bruntiae).
Of the Borage family (Boraginaceae), the Virginia stickseed (Lappula virginiana).
Of the Borage family (Boraginaceae), the wild comfrey (Cynoglossum virginianum).
Of the Borage family (Boraginaceae), the hound's tongue (Cynoglossum officinale).
Of the Borage family (Boraginaceae), the forget-me-not (Myosotis scorpioides). Small images: top, spring…
Of the Borage family (Boraginaceae), the Virginia cowslip (Mertensia virginica).
Of the Borage family (Boraginaceae), the Viper's bugloss (Echium vulgare).
Of the Borage family (Boraginaceae), the small bugloss (Lycopsis arvensis).
Of the Borage family (Boraginaceae), the hoary puccoon (Lithospermum canescens).
Of the Vervain family (Verbenaceae), the European vervain (Verbena officinalis).