 May apple leaf growing through a dry leaf on Mount Rose Ridge Trail in Stony Brook Watershed park. Pennington, New Jersey, April 29, 2007
 Garlic mustard near Stony Brook in Stony Brook - Millstone Watershed Main Reserve. Pennington, New Jersey, April 28, 2007
 A small flower on Mount Rose Ridge Trail in Stony Brook Watershed park. Pennington, New Jersey, April 29, 2007
 A turtle on Stony Brook trail in Stony Brook - Millstone Watershed Main Reserve. Pennington, New Jersey, April 28, 2007
 Blue violets on Stony Brook trail in Stony Brook - Millstone Watershed Main Reserve. Pennington, New Jersey, April 28, 2007
 Emerging may apple on Stony Brook trail in Stony Brook - Millstone Watershed Main Reserve. Pennington, New Jersey, April 28, 2007
 Yellow trout lily on Stony Brook trail in Stony Brook - Millstone Watershed Main Reserve. Pennington, New Jersey, April 28, 2007
 Leaves of skunk cabbage near Stony Brook in Stony Brook - Millstone Watershed Main Reserve. Pennington, New Jersey, April 28, 2007
 Fig buttercup flowers and a trout lily near Stony Brook in Stony Brook - Millstone Watershed Main Reserve. Pennington, New Jersey, April 28, 2007
 Skunk cabbage and fig buttercup flowers near Stony Brook in Stony Brook - Millstone Watershed Main Reserve. Pennington, New Jersey, April 28, 2007
 Lesser Celandine (fig buttercup flower) near Stony Brook in Stony Brook - Millstone Watershed Main Reserve. Pennington, New Jersey, April 28, 2007
 Pilewort (fig buttercup flowers) carpeting area near Stony Brook in Stony Brook - Millstone Watershed Main Reserve. Pennington, New Jersey, April 28, 2007
 Trout lilies on Meadow Trail in Stony Brook - Millstone Watershed Main Reserve. Pennington, New Jersey, April 28, 2007
 A suspension bridge across Stony Brook in the park of Institute for Advanced Studies. Princeton, New Jersey, March 29, 2007
 Stony Brook Meeting House near Quaker Road. Princeton, New Jersey, March 29, 2007
 Blooming garlic mustard carpeting forest near Red Trail in Six Mile Run Reservoir. Somerset, New Jersey, May 6, 2007
 An old car on Red Trail in Six Mile Run Reservoir, near Cross Brook. Somerset, New Jersey, April 29, 2007
 A stone bridge (1937) across Heathcote Brook in Cook Natural Area. Kingston, New Jersey, April 28, 2007
 A stone bridge across Heathcote Brook in Cook Natural Area at sunset. Kingston, New Jersey, April 2, 2007
 Heathcote Brook Branch east from Extended Stay America hotel at Road 1. South Brunswick, New Jersey, April 15, 2007
 Heathcote Brook Branch overflowing Road 1, near Raymond Road exit. South Brunswick, New Jersey, April 15, 2007
 View of Mount Minsi from Mount Tammany. Delaware Water Gap, New Jersey, March 31, 2007
 Deeply divided umbrella-like leaf of May apple (mandrake) in a park of Institute for Advanced Study. Princeton, New Jersey, April 18, 2007
 A deer on Linear Park Trail (former railroad) in Cook Natural Area, near Ridge Road. Kingston, New Jersey, May 11, 2007
 Deeply divided umbrella-like young leaf of May apple near Boulder Field in John Witherspoon Woods park. Princeton, New Jersey, April 26, 2007
 Appalachian Trail on a ridge of Kittatinny Mountains. Delaware Water Gap, New Jersey, May 12, 2007
 Forest on Ridge Trail near Trailpoint 13 in Sourland Mountain Preserve. Somerset County, New Jersey, May 6, 2007
 Slopes of Mount Livermore with Oakland Bridge and San Francisco City in background from North Ridge Trail in Angel Island State Park near San Francisco. Tiburon, California, March 15, 2024
 Dogwood in a forest on Ridge Trail east Trailpoint 13 in Sourland Mountain Preserve. Somerset County, New Jersey, May 6, 2007
 Showy Orchis (Galearis spectabilis) orchid wildflower on Ridge Trail above Trailpoint 1 in Sourland Mountain Preserve. Somerset County, New Jersey, May 6, 2007
 Fire road on the top of Mount Tammany. Delaware Water Gap, New Jersey, March 31, 2007
 View of Sandy Hook Bay and Sandy Hook from Mount Mitchill Scenic Overlook. Atlantic Highlands, New Jersey, April 22, 2007
 Young leaf of poison ivy in Delaware and Raritan Canal State Park near Carnegie Lake. Princeton, New Jersey, May 8, 2007
 Poison ivy with background of Delaware and Raritan Canal, near Harrison Street crossing. Princeton, New Jersey, May 1, 2007
 A bud of a tree, with Delaware and Raritan Canal in background, near Harrison Street crossing. Princeton, New Jersey, May 1, 2007
 Abandoned fort on Mount Bental near a border with Syria, with melting snow on Mount Hermon on background. Golan Heights, the Middle East, April 7, 2001
 Crossing of Einstein Drive and Maxwell Lane, with Institute for Advanced Study in background. Princeton, New Jersey, March 7, 2007
 Hedge apples (osage orange) among first year garlic mustard leaves on a trail to Battle Ground. Indiana, November 26, 1999
 A snake on a trail south from Mountain Lakes in John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 A boat in a forest near a trail of Delaware and Raritan Canal State Park north from Kingston. New Jersey, April 19, 2007
 View of Delaware River and highways 80 and 311 from Mount Tammany. Delaware Water Gap, New Jersey, March 31, 2007
 A canada goose on eggs near a trail near Carnegie Lake in Delaware and Raritan Canal State Park. Kingston, New Jersey, April 18, 2007
 Flooding of a trail in Delaware and Raritan Canal State Park, view from Road 27 crossing to the north. Kingston, New Jersey, April 16, 2007
 A gate of McCosh Walk with tigers between Little and Buyers halls, with Lockhart Hall in background, in Princeton University. Princeton, New Jersey, March 7, 2007
 A bronze sculpture of Henry Moore "Oval with Points" in Princeton University, with Blair Hall in background. Princeton, New Jersey, March 16, 2007
 Canada goose nest with eggs on a trail near Carnegie Lake in Delaware and Raritan Canal State Park. Kingston, New Jersey, April 18, 2007
 A canada goose (zoomed) nesting on a trail near Carnegie Lake in Delaware and Raritan Canal State Park. Kingston, New Jersey, April 18, 2007
 Yellow Trail in Six Mile Run Reservoir, after flooding. Somerset, New Jersey, April 29, 2007
 Pipeline Trail in a park of Institute for Advanced Study (Institute Woods). Princeton, New Jersey, April 30, 2007
 Stony beach of Vyborg Bay near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
 River s Edge Trail in a park of Institute for Advanced Study (Institute Woods). Princeton, New Jersey, April 30, 2007
 Lower (abaxial) hairy surface of basal leaf of Sahara mustard (Asian mustard, wild-turnip, Brassica tournefortii) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, December 18, 2015
 A trail in area of beech stand in a park of Institute for Advanced Study (Institute Woods). Princeton, New Jersey, April 30, 2007
 Quail Trail in Abram S. Hewitt State Forest. West Millford, New Jersey, April 21, 2007
 A tiger behind Whig Hall, with Nassau Hall in background, in Princeton University. Princeton, New Jersey, March 7, 2007
 Blue Trail in Six Mile Run Reservoir, approaching Blackwell Mills Road. Somerset, New Jersey, April 29, 2007
 Society garlic (Tulbaghia violacea) in Antique Rose Emporium. Independence, Texas, April 13, 2023
 Paved drivaway in John Witherspoon Woods park. Princeton, New Jersey, April 27, 2007
 A creek in hardwood forest in John Witherspoon Woods park. Princeton, New Jersey, April 27, 2007
 Flooding in Delaware and Raritan Canal State Park, near Road 27. Kingston, New Jersey, April 16, 2007
 A creek near northern entrance of John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 A creek on boulder field in John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 A creek on boulder field in John Witherspoon Woods park. Princeton, New Jersey, April 27, 2007
 Garlic mustard (Alliaria petiolata) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Garlic mustard (Alliaria petiolata) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Garlic mustard (Alliaria petiolata) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Garlic mustard (Alliaria petiolata) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 View of Fox Island in Greenwood Lake from Quail Trail in Abram S. Hewitt State Forest. West Millford, New Jersey, April 21, 2007
 A creek crossing on boulder field in John Witherspoon Woods park. Princeton, New Jersey, April 27, 2007
 Skunk cabbage on boulder field in John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 Skunk cabbage on boulder field in John Witherspoon Woods park. Princeton, New Jersey, April 27, 2007
 Blooming garlic mustard (Alliaria petiolata) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 28, 2011
 Flowers of garlic mustard (Alliaria petiolata) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Skunk cabbage near a creek near northern entrance of John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 A spillway in Delaware and Raritan Canal State Park, north from Carnegie Lake. Kingston, New Jersey, April 16, 2007
 Fresh maple leaves near gage station in Delaware and Raritan State Park. Kingston, New Jersey, April 27, 2007
 Concrete remains south from Mountain Lakes in John Witherspoon Woods park. Princeton, New Jersey, April 27, 2007
 Skunk cabbage on pipeline right of way crossing a creek in Mountain Lakes North park. Princeton, New Jersey, April 27, 2007
 Umbrella-like May apple leaves near boulder field in John Witherspoon Woods park. Princeton, New Jersey, April 27, 2007
 Leaves of skunk cabbage near boulder field in John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 A marker of a tunnel under Route 27 to towpath in Delaware and Raritan Canal State Park. Kingston, New Jersey, April 16, 2007
 A towpath of Delaware and Raritan Canal State Park west from Mapleton Road. Kingston, New Jersey, April 20, 2007
 A forest near Devil s Cave near northern entrance of John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 Flooding in Delaware and Raritan Canal State Park, north from Carnegie Lake. Kingston, New Jersey, April 16, 2007
 Skunk cabbage along a creek near northern entrance of John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 A grotto in Delaware and Raritan Canal State Park west from Mapleton Road. Kingston, New Jersey, April 20, 2007
 Flooding of Millstone River bridge in Delaware and Raritan Canal State Park, near Road 27. Kingston, New Jersey, April 16, 2007
 Leaves of skunk cabbage at morning near boulder field in John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 Leaves of skunk cabbage near a creek near northern entrance of John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 Leaves of skunk cabbage on pipeline right of way crossing a creek in Mountain Lakes North park. Princeton, New Jersey, April 27, 2007
 Boulder field near Devil s Cave near northern entrance of John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 A blooming tree in Delaware and Raritan Canal State Park near Washington Road crossing. Princeton, New Jersey, April 20, 2007
 A field of skunk cabbage in morning mist in hardwood forest in John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 Millstone aqueduct and a footbridge in Delaware and Raritan Canal State Park near Harrison Street crossing. Princeton, New Jersey, April 20, 2007
 Opening leaves of skunk cabbage near a creek near northern entrance of John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 Morning mist on boulder field near Stuart Road entrance of John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
 A mill on Millstone Creek. Kingston, New Jersey, April 2, 2007
 A creek in Woodfield Reservation. Princeton, New Jersey, April 26, 2007
 A walk near Frick Lab at rain. Princeton, New Jersey, April 12, 2007
|