Home Plant Index Trail Map		A Guide to the Wildflowers of Twin Swamps Nature Preserve Late Summer August-October		Flower photos By season By habitat By color
Click on the pictures to see full-sized photos and more information. For more help on finding flowers, please see This Is How I've Arranged the Photos

LOW, WET: The following plants tend to be found in the lowest, muddiest areas of the preserve.
False nettle Boehmeria cylindrica	Wood nettle Laportea canadensis	Panicled tick trefoil Desmodium paniculatum	Flowering spurge Euphorbia corollata	Spotted jewelweed Impatiens capensis
Monkeyflower Mimulus alatus	Yellow wood sorrel Oxalis sp.	Ditch stonecrop Penthorum sedoides	Smooth phlox Phlox glaberrima	Mild water pepper Polygonum hydropiperoides
Water hemlock Cicuta maculata	Cardinal flower Lobelia cardinalis	Ironweed Vernonia fasciculata	Poison ivy Toxicodendron radicans
LOW, DRY: The following plants tend to be found in low but better-drained areas of the preserve.
Woodland agrimony Agrimonia rostellata	Poison ivy Toxicodendron radicans	Spangle grass Chasmanthium latifolium	Mistflower Eupatorium coelestinum	White avens Geum canadense
Spiderlily Hymenocallis caroliniana	Spotted jewelweed Impatiens capensis	Tall blue lettuce Lactuca sp.	Yellow wood sorrel Oxalis sp.	Mild water pepper Polygonum hydropiperoides
Self-heal Prunella vulgaris	Starry campion Silene stellata	White vervain Verbena urticifolia	Woodland sunflower Helianthus divaricatus	Virginia knotweed Polygonum virginianum
	Wood nettle Laportea canadensis	False nettle Boehmeria cylindrica
HIGH, DRY: The following plants tend to be found in the highest, well-drained areas of the preserve.
Woodland agrimony Agrimonia rostellata	American spikenard Aralia racemosa	Hairy wood mint Blephilia hirsuta	Tall bellflower Campanula americana	Purple Joe-pye weed Eupatorium purpureum
Small wood sunflower Helianthus microcephalus	Spicebush Lindera benzoin	Yellow wood sorrel Oxalis sp.	Pokeweed Phytolacca americana	Clearweed Pilea pumila
Late figwort Scrophularia marilandica	Woodland goldenrod Solidago caesia	Smooth hedge nettle Stachys tenuifolia	White vervain Verbena urticifolia	Wingstem yellow ironweed Verbesina alternifolia
	White snakeroot Eupatorium rugosum	Virginia knotweed Polygonum virginianum
CYPRESS SWAMP: These plants tend to be found in the cypress swamp and can be seen from the boardwalk.
Swamp beggar-tick Bidens discoidea	Duckweed Lemna sp.
FIELD: These plants tend to be found in the sunny field between the parking lot and the woods.
Common ragweed Ambrosia artemisiifolia	Swamp milkweed Asclepias incarnata	Heath aster Aster ericoides	Western tickseed sunflower Bidens aristosa	False aster Boltonia asteroides
Field thistle Cirsium discolor	Horseweed Conyza canadensis	Dodder Cuscuta gronovii	True boneset Eupatorium perfoliatum	False boneset Eupatorium serotinum
Yellow wood sorrel Oxalis sp.	Old-field balsam Gnaphalium obtusifolium	Slender bush clover Lespedeza virginiana	Stalked water horehound Lycopus rubellus	Evening primrose Oenothera biennis
Pennsylvania smartweed Polygonum pennsylvanicum	Self-heal Prunella vulgaris	Grass-leaved goldenrod Euthamia graminifolia	Tall goldenrod Solidago canadensis	Gray goldenrod Solidago nemoralis
Fleabane Erigeron sp.	Partridge pea Cassia fasciculata	Broom sedge Andropogon virginicus	Unidentified sunflower Helianthus sp.

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