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Abies balsamea
Acerates viridiflora ivesii (Asclepias viridiflora)
Acer negundo
Acer saccharinum
Acer saccharinum
Acer saccharinum
Acer saccharinum
Achillea millefolium
Adenocystis
Adenocystis
Adenocystis
Adiantum pedatum
Adiantum pedatum
Adiatum pedatum
Agastache anethiodora
Agastache anethiodora (Agastache foeniculum)
Alaria
Alaria
Alaria
Alaria
Alaria
Alaria hanging from a rocky ledge
Allium canadense
Amanita solitaria
Amanita solitaria
Amelanchier
Amorpha fruticosa
Amphiroa
Amphiroa
Anaphalis margaritacea
Andropogon floridanus
Anemone canadensis
Anemone canadensis
Anemone candensis
Anemone candensis
Anemone virginiana
Antennaria
Antennaria
Anthemis cotula
Aplectrum spicatum
Aplectrum spicatum
Aquilegia canadensis
Aquilegia canadensis
Aralia nudicaulis
Arctostaphylos uva-ursi
Arisaema dracontium
Arisaema dracontium
Arisaema dracontium
Arisaema dracontium
Arisaema triphyllum
Artemisia
Artemisia dracunculus
Arthonia dispersa
Arthonia radiata
Asarum acuminatum (Asarum canadense)
Asarum acuminatum (Asarum canadense)
Asclepias incarnata
Asplenium filix-femina (Athyrium filix-femina)
Asplenium filix-femina (Athyrium filix-femina)
Asplenium filix-femina (Athyrium filix-femina)
Aster
Aster
Aster sagittifolius (Symphyotrichum cordifolium)
Aster sagittifoluis (Symphyotrichum cordifolium)
Astragalus
Astragalus mexicanus (Astragalus crassicarpus)
Avalance course near Glacier British Columbia
Baeomyces aeruginosa
Baeomyces aeruginosa
Bairds Point
Bairds Point from the East
Bangia
Baptisia bracteata
Baptisia bracteata
Baptisia bracteata
Barbula
Barnacles and mussels
Beach in front of the Minnesota Seaside Station
Beach in front of the Minnesota Seaside Station
Beach in front of the Minnesota Seaside Station
Biatora myriocarpoides
Biatora rufonigra
Bicuculla cucullaria (Dicentra cucullaria)
Boschniakia strobilacea
Boschniakia strobilacea
Bosniakia strobilacea (Boschniakia strobilacea)
Botrychium virginianum
Bow-river falls and gorge above
Bow-river falls in foreground and peaks in background
Bow-river falls in foreground, peaks
Brauneria pallida
Buellia
Buellia
Buellia alboatra (Diplotomma alboatrum)
Buellia concentrica (Rhizocarpon concentricum)
Buellia geographica
Buellia lactea
Buellia lactea
Buellia lactea and rock vegetation on the shore of Lake Superior
Buellia lactea field