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NatureServe: Rock Creek rapids
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NatureServe: Boulder Bridge
NatureServe: Skunk-cabbage flower
NatureServe: Autumn-olive
NatureServe: Evidence of emerald ash borer
NatureServe: English ivy
NatureServe: Nest building
NatureServe: Jack-in-the-pulpit
NatureServe: Chipmunk
NatureServe: Redback salamander
NatureServe: Canadian wood-nettle
NatureServe: Scarlet tanager
NatureServe: Wood thrush
NatureServe: Cinnamon fern
NatureServe: American witch-hazel
NatureServe: Black-throated green warbler
NatureServe: Emerald ash borer
NatureServe: Wood thrush with nest parasite
NatureServe: Pawpaw flowers and pollinator
NatureServe: Golden ragwort
NatureServe: Viburnum leaf beetle
NatureServe: Lesser celandine / Fig buttercup
NatureServe: Butternut canker
NatureServe: Chestnut blight
NatureServe: American water-willow
NatureServe: Yellow-bellied sapsucker
NatureServe: Viburnum leaf beetle
NatureServe: Skunk-cabbage in snow
NatureServe: Pitch pine
NatureServe: Blackburnian warbler