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Rob Routledge's Images

Title: Instructor
Organization: Sault College
Unit: Natural Environment and Outdoor Studies
Country: Canada
Web: http://www.saultc.on.ca/Groups/Groups.asp?groupcode=NRS

Some of the pics shown are from typical Sault College Natural Environment and Outdoor Studies field trips around eastern Lake Superior in the Algoma District (Ontario) and the Upper Peninsula (Michigan), and as far east as Manitoulin Island in the northern portion of Lake Huron. There are also some pics of woody plants grown by myself and students in the Sault College greenhouse. The remaining pics stem from my botanical forays.
Remove Filters: Scrophulariales(X) Hardwood Trees(X) 5 Sizes Available(X)
31 Images of 6 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
5488145 northern catalpa Catalpa speciosa northern catalpa (Catalpa speciosa) whorled bud arrangement; Great Lakes Forestry Centre Arboretum
5488136 black ash Fraxinus nigra black ash (Fraxinus nigra)
5488135 black ash Fraxinus nigra black ash (Fraxinus nigra)
5474410 blue ash Fraxinus quadrangulata Fraxinus quadrangulata
5474032 northern catalpa Catalpa speciosa Catalpa speciosa (northern catalpa)
5474031 northern catalpa Catalpa speciosa Catalpa speciosa (northern catalpa)
5474029 northern catalpa Catalpa speciosa Catalpa speciosa (northern catalpa)
5474028 northern catalpa Catalpa speciosa Catalpa speciosa (northern catalpa)
5454853 green ash Fraxinus pennsylvanica red ash (Fraxinus pennsylvanica) winter twig
5454854 green ash Fraxinus pennsylvanica mature red ash (Fraxinus pennsylvanica); mature bark difficult to tell apart from white ash - key was being able to look at current-year twig
5454110 black ash Fraxinus nigra black ash (Fraxinus nigra) - note gap between terminal bud and first set of lateral buds (white ash lateral buds are tight) - also note lateral bud placement above the leaf scar (white ash lateral bud sits in a notch)
5454134 green ash Fraxinus pennsylvanica red ash winter twig (Fraxinus pennsylvanica) - current annual growth pubescent
5454109 black ash Fraxinus nigra black ash (Fraxinus nigra) - note gap between terminal bud and first set of lateral buds (white ash lateral buds are tight) - also note lateral bud placement above the leaf scar (white ash lateral bud sits in a notch)
5454135 green ash Fraxinus pennsylvanica red ash winter twig (Fraxinus pennsylvanica) - current annual growth pubescent
5454136 green ash Fraxinus pennsylvanica red ash winter twig (Fraxinus pennsylvanica) - current annual growth pubescent
5445639 blue ash Fraxinus quadrangulata blue ash (Fraxinus quadrangulata) leaf rachis and leaflets
5445838 white ash Fraxinus americana white ash winter twig (Fraxinus americana)
5445839 white ash Fraxinus americana white ash samaras(Fraxinus americana)
5445840 white ash Fraxinus americana white ash winter twig (Fraxinus americana)
5445636 blue ash Fraxinus quadrangulata blue ash (Fraxinus quadrangulata)
5445841 European ash Fraxinus excelsior Globe European Ash (Fraxinus excelsior 'Nana')
5445842 European ash Fraxinus excelsior Globe European Ash (Fraxinus excelsior 'Nana')
5445843 European ash Fraxinus excelsior Globe European Ash (Fraxinus excelsior 'Nana')
5445637 blue ash Fraxinus quadrangulata blue ash (Fraxinus quadrangulata)
5445638 blue ash Fraxinus quadrangulata blue ash (Fraxinus quadrangulata)
5445635 blue ash Fraxinus quadrangulata blue ash (Fraxinus quadrangulata) branch
5444764 black ash Fraxinus nigra mature black ash (Fraxinus nigra) showing characteristic scaly bark
5444752 black ash Fraxinus nigra young black ash (Fraxinus nigra) tree showing characteristic corky bark
5444763 black ash Fraxinus nigra black ash (Fraxinus nigra) showing opposite leaf arrangement and characteristic gap between terminal bud and first set of leaves and axillary buds
5444293 white ash Fraxinus americana White ash germination. Seed was removed from samara then seed coat was removed. Seed was cold stratified for ca. 90 days only - germination occurred within 7 days in petri dish.
5443322 green ash Fraxinus pennsylvanica red ash (Fraxinus pennsylvanca) female flowers

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