Contributors
Treelib would not be possible without the efforts of many contributors. We'd like to extend a personal thank you to everyone that continues to help make Treelib into the educational tool that it is today.
If you have photos that you're interested in contributing (we only take the best!) then please contact us.
Contributors are listed in alphabetical order.
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Andes, Mono
Mono lives in Chile and hikes extensively in high elevation sites as well as exploring parks in many areas of the world. He is particularly known for excellence in documenting old growth monkey puzzle forests in Chile. He has a large online following of adventurous people.
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Arboretum Wespelaar, the
The Arboretum Wespelaar in Belgium has one of the most outstanding collections in Europe of plants personally gathered from all corners of the world, including special collections of cultivars such as Azaleas and many others. Staff at the Tree Library acknowledge your large contribution to the study and identification of trees through developing extensive identification keys for trees, and of close-up photography of distinguishing features.
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Argenberg, Vyacheslav
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Basset, Cedric
Cedric is at Father Armand-David's Garden, Rue du Cherche-Midi, Paris, a well-known botanical garden with a long history of excellent plant research in China going back over 150 years. He also publishes his own website at: www.asianflora.com.
- Ilex aquifolium
- Ilex chinensis
- Chengiopanax sciadophylloides
- Castanea henryi
- Exbucklandia populnea
- Parrotia subaequalis
- Lindera aggregata
- Lindera bezoin
- Lindera rubronervia
- Camptotheca accuminata
- Keteleeria davidiana
- Chaenomeles cathayensis
- Meliosma myriantha
- Salix magnifica
- Dipteronia sinensis
- Stachyurus chinensis
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Bayton, Ross
Ross is a well-recognized botanist and gardener from the UK, currently residing in Washington State, USA. He has co-authored 5 publications on plants, such as: A Guide for Gardeners and Botanists; RHS Genealogy for Gardeners: Plant Families Explored & Explained. He also is an exceptional photographer of plants.
- Alangium platanifolium
- Metapanax davidii
- Araucaria columnaris
- Araucaria cunninghamii
- Olearia ilicifolia
- Ostrya carpinifolia
- Calycanthus chinensis
- Clethra acuminata
- Convolvulus cneorum
- Athrotaxis cupressoides
- Fitzroya cupressoides
- Juniperus deppeana
- Diospyros virginiana
- Crinodendron hookerianum
- Castanea crenata
- Chrysolepis chrysophylla
- Lithocarpus henryi
- Distylium racemosum
- Fothergilla major
- Callicarpa bodinieri
- Sassafras tzumi
- Brachychiton discolor
- Callistemon sieberi
- Abies koreana
- Keteleeria evelyniana
- Picea meyeri
- Picea pungens
- Picea purpurea
- Podocarpus salignus
- Chaenomeles cathayensis
- Sorbus aria
- Acradenia frankliniae
- Azara microphylla
- Kadsura japonica
- Taxus baccata
- Camellia japonica
- Stewartia monadelpha
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Beale, Colin
Colin is a prolific photographer of trees at the Royal Botanical Garden Kew in London, UK. He has provided photos of many species in the Garden.
- Cotinus obovatus
- Pistacia chinensis
- Rhus chinensis
- Ilex aquifolium
- Carpinus betulus
- Ostrya virginiana
- Catalpa bignonioides
- Calocedrus decurrens
- Fitzroya cupressoides
- Hippophae rhamnoides
- Cladrastis kentukea
- Gleditsia japonica
- Gleditsia sinensis
- Laburnum alpinum
- Castanea sativa
- Quercus rubra
- ginkgo biloba
- Carya ovata
- Pterocarya stenoptera
- Pterocarya x rehderiana
- Callicarpa japonica
- Lindera bezoin
- Maclura pomifera
- Morus nigra
- Nothofagus antarctica
- Paulownia kawakamii
- Picea smithiana
- Pinus pinea
- Pinus bungeana
- Phellodendron amurense
- Acer cappadocicum
- Koelreuteria bipinnata
- Cephalotaxus harringtonii
- Zelkova schneideriana
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Beetham, John
John lives in Australia and contributes some exceptionally high quality photographs.
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Blowe, Joseph
Joseph is at theforestprimeval and is an avid nature photographer and knowledgeable botanist from Bountiful, Utah, USA.
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Bredow, Jurgen
Jurgen is an active and well-recognized participant in online plant commmunities. Thanks for your support.
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Canada, Tree
The author thanks CEO Danielle St-Aubin and Carol Burnup from Tree Canada in Ottawa, Ontario for their support over several years in developing the TreeLib.ca database.
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Canary, Emerald
Emerald is an artist and graphic designer who has hiked extensively in the mountains of California. He has a website displaying high quality photos of trees of California, located at www.coniferous.site.
- Araucaria bidwillii
- Araucaria heterophylla
- Calocedrus decurrens
- Cupressus macrocarpa
- Juniperus californica
- Metasequoia glyptostroboides
- Sequoiadendron giganteum
- Abies amabilis
- Keteleeria evelyniana
- Picea breweriana
- Pinus contorta
- Pinus monophylla
- Pinus muricata
- Pinus attenuata
- Pinus jeffreyi
- Pinus balfouriana
- Pinus lambertiana
- Tsuga mertensiana
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Chakya, Katy
Katy is with Minnesota Wildflowers (www.minnesotawildflowers.info), a mission to educate Minnesotans about their native plants.
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Corbet, Niall
Niall is an international traveler and accomplished photographer. He has photographed extensively in the Wanglang Nature Reserve in Minyang, Sichuan Province, China.
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Cutler, Wendy
Wendy has dedicated much personal time to supporting the University of British Columbia Botanical Garden's forums and providing a variety of other support, such contributing to the Vancouver Trees app. She also has been involved for many years with the Cherry Blossom Festival in Vancouver, collecting data for the festival map and contributing to the festival's book on cherries. Thank you on behalf of many people!
- Rhus copallinum
- Aralia elata
- Metapanax davidii
- Tetrapanax papyrifer
- Araucaria araucana
- Wollemia nobilis
- xChitalpa tashkentensis
- Cistus albidus
- Cistus laurifolius
- Clethra alnifolia
- Clethra barbinervis
- Daphniphyllum macropodum
- Diospyros kaki
- Oxydendrum arboreum
- Zenobia pulverulenta
- Euphorbia antiquorum
- Euphorbia punicea
- Acacia pravissima
- Colutea x media
- Ebenopsis ebano
- ginkgo biloba
- Juglans ailantifolia
- Pterocarya fraxinifolia
- Clerodendrum quadriloculare
- Clerodendrum trichotomum
- Decaisnea fargesii
- Laurus nobilis
- Neolitsea sericea
- Liriodendron chinense
- Magnolia sprengeri
- Luma apiculata
- Nothofagus antarctica
- Pinus patula
- Aronia melanocarpa
- Cotoneaster bullatus
- Cotoneaster frigidus
- Cotoneaster glabratus
- Cotoneaster horizontalis
- Cotoneaster microphyllus
- Cotoneaster rotundifolius
- Cotoneaster salicifolius
- Crataegus x grignonensis
- Rosa sericea
- Sorbus 'Joseph Rock'
- Citrus maxima
- Citrus trifoliata
- Ptelea trifoliata
- Meliosma veitchiorum
- Idesia polycarpa
- Staphylea pinnata
- Melliodendron xylocarpum
- Rehderodendron gongshanense
- Tapiscia sinensis
- Franklinia alatamaha
- Drimys winteri
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Das, Amitava
Amitava is from West Benegal, India and photographs extensively in his part of the world. He has contributed pictures of tea orchards.
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Davies, Mike
British Columbia, Canada
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de Block, Rudd
Rudd is an educator and excellent photographer living near Deventer in the Netherlands. He has the opportunity to visit many botanical gardens in Europe.
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de Spoelberch, Philippe
Philippe de Spoelberch is President of the International Dendrology Society in London, UK. He donated the Arboretum Wespelaar in Belgium to the Foundation Arboretum Wespelaar. As an exceptional dendrologist, he has traveled extensively throughout the world for over 35 years, photographing and cataloging details of many species of trees, both conifers and deciduous, throughout Eurasia and the Americas. The list below is a partial list of the species to which he has contributed. Thank you for being an important partner in the website.
- Sambucus adnata
- Sambucus chinensis
- Sambucus mexicana
- Sambucus nigra
- Sambucus racemosa
- Viburnum betulifolium
- Viburnum buddlejifolium
- Viburnum cassinoides
- Viburnum chingii
- Viburnum nervosum
- Viburnum opulus
- Viburnum trilobum
- Bretschneidera sinensis
- Alangium platanifolium
- Liquidambar acalycina
- Liquidambar formosana
- Liquidambar orientalis
- Liquidambar styraciflua
- Pistacia atlantica
- Pistacia chinensis
- Pistacia terebinthus
- Pistacia vera
- Rhus chinensis
- Rhus copallinum
- Rhus coriaria
- Toxicodendron succedaneum
- Toxicodendron vernicifluum
- Asimina triloba
- Nerium oleander
- Ilex crenata
- Ilex verticillata
- Aralia bipinnata
- Aralia chinensis
- Chengiopanax sciadophylloides
- Kalopanax septemlobus
- Pseudopanax laetus
- Scheffleria taiwania
- Tetrapanax papyrifer
- Araucaria araucana
- Araucaria bidwillii
- Araucaria heterophylla
- Araucaria rulei
- Ptilostemon chamaepeuce
- Staehelina arborea
- Wariona saharae
- Berberis cretica
- Berberis heteropoda
- Berberis kawakamii
- Mahonia aquifolium
- Mahonia japonica
- Alnus cordata
- Alnus formosana
- Alnus glutinosa
- Alnus japonica
- Alnus maximowiczii
- Alnus nepalensis
- Alnus rubra
- Alnus sieboldiana
- Alnus subcordata
- Betula albosinensis
- Betula alleghaniensis
- Betula chichibuensis
- Betula chinensis
- Betula cordifolia
- Betula costata
- Betula cylindrostachya
- Betula dahurica
- Betula delavayi
- Betula maximowicziana
- Betula nana
- Betula nigra
- Betula occidentalis
- Betula pendula
- Betula platyphylla
- Betula pumila
- Betula szechuanica
- Betula tianschianica
- Betula turkestanica
- Betula utilis
- Carpinus betulus
- Carpinus caroliniana
- Carpinus cordata
- Carpinus coreana
- Carpinus fangiana
- Carpinus henryana
- Carpinus japonica
- Carpinus kawakamii
- Carpinus laxiflora
- Carpinus orientalis
- Carpinus polyneura
- Carpinus pubescens
- Carpinus shensiensis
- Carpinus tschonoskii
- Corylus americana
- Corylus avellana
- Corylus chinensis
- Corylus colurna
- Corylus cornuta
- Corylus fargesii
- Corylus heterophylla
- Corylus jacquemontii
- Corylus sieboldiana
- Ostrya carpinifolia
- Ostrya japonica
- Ostrya virginiana
- Ostryopsis davidiana
- Catalpa bignonioides
- Catalpa bungei
- Catalpa fargesii
- Catalpa ovata
- Catalpa speciosa
- Catalpa x erubescens
- Tabebuia rosea
- Ehretia acuminata
- Ehretia dickensonii
- Wigandia caracasana
- Calycanthus x raulstonii
- Chimonanthus praecox
- Aphananthe aspera
- Celtis australis
- Celtis biondii
- Celtis bungeana
- Celtis caucasica
- Celtis choseniana
- Celtis glabrata
- Celtis jessoensis
- Celtis koraiensis
- Celtis occidentalis
- Celtis sinensis
- Celtis tenuifolia
- Celtis tetrandra
- Celtis tournefortii
- Pteroceltis tatarinowii
- Abelia corymbosa
- Dipelta floribunda
- Dipelta yunnanensis
- Heptacodium miconioides
- Kolkwitzia amabilis
- Leycesteria formosana
- Lonicera etrusca
- Lonicera hispida
- Lonicera maackii
- Lonicera quinquelocularis
- Lonicera tatarica
- Lonicera webbianum
- Weigela florida
- Euonymus alatus
- Euonymus americanus
- Euonymus atropurpureus
- Euonymus bungeanus
- Euonymus carnosus
- Euonymus grandiflorus
- Euonymus hamiltonianus
- Euonymus japonicus
- Euonymus myrianthus
- Euonymus oxyphyllus
- Euonymus planipes
- Maytenus boaria
- Tripterygium wilfordii
- Cercidiphyllum japonicum
- Cercidiphyllum magnificum
- Cistus albidus
- Cistus creticus
- Cistus ladanifer
- Cistus laurifolius
- Cistus monspeliensis
- Cistus salvifolius
- Cistus x hybridus
- Cistus x purpureus
- Clethra acuminata
- Clethra barbinervis
- Clethra fargesii
- Clethra monostachya
- Weinmannia trichosperma
- Athrotaxis cupressoides
- Athrotaxis selaginoides
- Austrocedrus chilensis
- Calocedrus decurrens
- Chamaecyparis formosensis
- Chamaecyparis lawsoniana
- Chamaecyparis obtusa
- Chamaecyparis thyoides
- Cryptomeria japonica
- Cunninghamia konishii
- Cunninghamia lanceolata
- Cupressus atlantica
- Cupressus cashmeriana
- Cupressus corneyana
- Cupressus duclouxiana
- Cupressus funebris
- Cupressus gigantea
- Cupressus nootkatensis
- Cupressus sempervirens
- Cupressus torulosa
- Cupressus bakeri
- Cupressus goveniana
- Cupressus macrocarpa
- Diselma archeri
- Fitzroya cupressoides
- Glyptostrobus pensilis
- Juniperus chinensis
- Juniperus communis
- Juniperus drupacea
- Juniperus excelsa
- Juniperus foetidissima
- Juniperus occidentalis
- Juniperus osteosperma
- Juniperus oxycedrus
- Juniperus phoenicea
- Juniperus pseudosabina
- Juniperus recurva
- Juniperus rigida
- Juniperus sabina
- Juniperus scopulorum
- Juniperus semiglobosa
- Juniperus squamata
- Juniperus tibetica
- Juniperus virginiana
- Metasequoia glyptostroboides
- Platycladus orientalis
- Sequoia sempervirens
- Taiwania cryptomerioides
- Taxodium distichum
- Taxodium distichum var. imbricarium
- Taxodium mucronatum
- Tetraclinis articulata
- Thuja koraiensis
- Thuja standishii
- Thujopsis dolabrata
- Daphniphyllum macropodum
- Datisca cannabina
- Diospyros cathayensis
- Diospyros kaki
- Diospyros lotus
- Diospyros virginiana
- Elaeagnus angustifolia
- Elaeagnus umbellata
- Arbutus andrachne
- Arctostaphylos columbiana
- Arctostaphylos nevadensis
- Azalea Cultivars
- Azalea Cultivars2
- Calluna vulgaris
- Chamaedaphne calyculata
- Enkianthus chinensis
- Enkianthus subsessillis
- Erica arborea
- Erica carnea
- Erica scoparia
- Erica tetralix
- Gaultheria itoana
- Gaultheria mucronata
- Gaultheria repens
- Gaultheria shallon
- Kalmia angustifolia
- Kalmia buxifolia
- Kalmia latifolia
- Kalmia polifolia
- Menziesia ciliicalyx
- Pieris formosa
- Pieris japonica
- Rhododendron aberconwayi
- Rhododendron adenogynum
- Rhododendron albiflorum
- Rhododendron albrechtii
- Rhododendron amagianum
- Rhododendron ambiguum
- Rhododendron annae
- Rhododendron anthopogon
- Rhododendron anthosphaerum
- Rhododendron benhallii
- Richea pandanifolia
- Richea scoparia
- Eucommia ulmoides
- Euphorbia mellifera
- Neoshirakia japonica
- Triadica sebifera
- Vernicia montana
- Euptelea pleiosperma
- Euptelea polyandra
- Acacia dealbata
- Albizia julibrissin
- Calicotome villosa
- Campylotropis polyantha
- Ceratonia siliqua
- Cercis canadensis
- Cercis graffithii
- Cercis occidentalis
- Cercis siliquastrum
- Cladrastis sinensis
- Colutea persica
- Colutea porphyrogramma
- Delonix regia
- Desmodium elegans
- Erythrostemon gilliesii
- Gleditsia sinensis
- Indigofera amblyantha
- Indigofera hancockii
- Laburnum alpinum
- Maackia amurensis
- Robinia viscosa
- Sophora davidii
- Spartium junceum
- Styphnolobium japonicum
- Wisteria brachybotrys
- Wisteria floribunda
- Wisteria frutescens
- Wisteria sinensis
- Castanea crenata
- Castanea sativa
- Castanopsis fissa
- Fagus crenata
- Fagus engleriana
- Fagus grandifolia
- Fagus japonica
- Fagus lucida
- Fagus orientalis
- Lithocarpus glaber
- Lithocarpus henryi
- Lithocarpus pachyphylla
- Lithocarpus variolosus
- Notholithocarpus densiflorus
- Quercus acerifolia
- Quercus acutissima
- Quercus alba
- Quercus bicolor
- Quercus canariensis
- Quercus castaneifolia
- Quercus cerris
- Quercus coccinea
- Quercus ilex
- Quercus mongolica
- Quercus montana
- Quercus myrsinifolia
- Quercus nigra
- Quercus oglethorpensis
- Quercus palustris
- Quercus pannosa
- Quercus petraea
- Quercus phellos
- Quercus pontica
- Quercus pubescens
- Quercus pyrenaica
- Quercus rysophylla
- Quercus semecarpifolia
- Quercus serrata
- Quercus stellata
- Quercus suber
- Quercus tarokoensis
- Quercus trojana
- Quercus vaccinifolia
- Quercus variabilis
- Quercus velutina
- Aucuba himalaica
- Asteranthera ovata
- Mitraria coccinea
- ginkgo biloba
- Corylopsis glabrescens
- Corylopsis pauciflora
- Corylopsis sinensis
- Corylopsis spicata
- Disanthus cercidifolius
- Distylium myricoides
- Distylium racemosum
- Exbucklandia populnea
- Fortunearia sinensis
- Fothergilla major
- Hamamelis japonica
- Hamamelis mollis
- Hamamelis ovalis
- Hamamelis vernalis
- Hamamelis virginiana
- Hamamelis x intermedia
- Parrotia persica
- Sycopsis sinensis
- Aesculus + dallimorei
- Aesculus californica
- Aesculus chinensis
- Aesculus flava
- Aesculus glabra
- Aesculus indica
- Aesculus parviflora
- Aesculus pavia
- Aesculus sylvatica
- Aesculus x bushii
- Aesculus x carnea
- Aesculus x hemiacantha
- Aesculus x hybrida
- Aesculus x mutabilis
- Deutzia calycosa
- Deutzia gracilis
- Deutzia longifolia
- Deutzia setchuanensis
- Hydrangea anomala
- Hydrangea aspera
- Hydrangea heteromalla
- Hydrangea paniculata
- Hydrangea serrata 'Accuminata'
- Philadelphus delavayi
- Philadelphus × lemoinei 'Belle Etoile'
- Schizophragma hydrangeoides
- Itea virginica
- Carya aquatica
- Carya cordiformis
- Carya glabra
- Carya illinoinensis
- Carya ovata
- Cyclocarya paliurus
- Engelhardia spicata
- Juglans ailantifolia
- Juglans cathayensis
- Juglans cinerea
- Juglans cinerea x ailantifolia
- Juglans mandshurica
- Juglans nigra
- Juglans regia
- Platycarya longipes
- Platycarya strobilacea
- Pterocarya fraxinifolia
- Pterocarya macroptera
- Pterocarya stenoptera
- Pterocarya x rehderiana
- Callicarpa americana
- Callicarpa dichotoma
- Callicarpa japonica
- Clerodendrum bungei
- Clerodendrum trichotomum
- Lavandula stoechas
- Vitex agnus-castus
- Akebia quinata
- Cinnamomum camphora
- Lindera aggregata
- Lindera angustifolia
- Lindera bezoin
- Lindera chienii
- Lindera erythrocarpa
- Lindera obtusiloba
- Lindera reflexa
- Lindera rubronervia
- Litsea kingii
- Machilus thunbergii
- Phoebe formosana
- Sassafras albidum
- Sassafras tzumi
- Loranthus delavayi
- Lagerstroemia indica
- Punica granatum
- Liriodendron chinense
- Liriodendron tulipifera
- Magnolia obovata
- Brachychiton discolor
- Brachychiton populneus
- Brachychiton rupestris
- Tilia americana
- Tilia amurensis
- Tilia chinensis
- Tilia chingiana
- Tilia cordata
- Tilia endochrysea
- Tilia henryana
- Tilia intonsa
- Tilia japonica
- Tilia kiusiana
- Tilia mandshurica
- Tilia maximowicziana
- Tilia miqueliana
- Tilia mongolica
- Tilia oliveri
- Tilia platyphyllos
- Tilia tomentosa
- Toona sinensis
- Broussonetia papyrifera
- Maclura pomifera
- Maclura tricuspidata
- Morus alba
- Morus australis
- Morus nigra
- Callistemon citrinus
- Luma apiculata
- Myrceugenia exsucca
- Nothofagus alpina
- Nothofagus cunninghamii
- Nothofagus dombeyi
- Nothofagus gunnii
- Nothofagus pumilo
- Camptotheca accuminata
- Nyssa aquatica
- Nyssa sinensis
- Nyssa sylvatica
- Chionanthus retusus
- Chionanthus virginicus
- Fontanesia phillyreoides
- Fraxinus americana
- Fraxinus angustifolia
- Fraxinus chinensis
- Fraxinus excelsior
- Fraxinus floribunda
- Fraxinus lanuginosa
- Fraxinus mandshurica
- Fraxinus ornus
- Fraxinus pennsylvanica
- Fraxinus platypoda
- Fraxinus quadrangulata
- Fraxinus sieboldiana
- Jasminum humile
- Ligustrum japonicum
- Osmanthus armatus
- Osmanthus delavayi
- Phillyrea angustifolia
- Phillyrea latifolia
- Syringa komarowii
- Syringa pubescens
- Syringa reticulata
- Syringa wolfii
- Fuchsia magellanica
- Fuchsia paniculata
- Paulownia 'Purple Splendor'
- Paulownia elongata
- Paulownia fortunei
- Phyllanthopsis phyllanthoides
- Phyllanthus glaucus
- Abies alba
- Abies amabilis
- Abies borisii-regis
- Abies bracteata
- Abies cephalonica
- Abies chensiensis
- Abies concolor
- Abies delavayi
- Abies densa
- Abies durangensis
- Abies fabri
- Abies fargesii
- Abies firma
- Abies forrestii
- Abies fraseri
- Abies gamblei
- Abies grandis
- Abies guatemalensis
- Abies holophylla
- Abies homolepis
- Abies kawakamii
- Abies koreana
- Abies lasiocarpa
- Abies magnifica
- Abies mariesii
- Abies nebrodensis
- Abies nephrolepis
- Abies nordmanniana
- Abies numidica
- Abies pindrow
- Abies pinsapo
- Abies procera
- Abies recurvata
- Abies sachalinensis
- Abies sibirica
- Abies spectabilis
- Abies squamata
- Abies veitchii
- Cathaya argyrophylla
- Cedrus atlantica
- Cedrus brevifolia
- Cedrus deodara
- Cedrus libani
- Keteleeria evelyniana
- Larix decidua
- Larix gmelinii
- Larix griffithii
- Larix kaempferi
- Larix lyallii
- Larix mastersiana
- Larix occidentalis
- Larix potaninii
- Larix sibirica
- Larix x eurolepis
- Picea abies
- Picea alcoquiana
- Picea asperata
- Picea brachytyla
- Picea breweriana
- Picea crassifolia
- Picea engelmannii
- Picea farreri
- Picea glehnii
- Picea jezoensis
- Picea koraiensis
- Picea koyamae
- Picea likiangensis
- Picea martinezii
- Picea meyeri
- Picea morrisonicola
- Picea obovata
- Picea omorika
- Picea orientalis
- Picea pungens
- Picea purpurea
- Picea rubens
- Picea schrenkiana
- Picea sitchensis
- Picea smithiana
- Picea torano
- Picea wilsonii
- Pinus brutia
- Pinus densiflora
- Pinus edulis
- Pinus halepensis
- Pinus heldreichii
- Pinus massoniana
- Pinus monophylla
- Pinus mugo
- Pinus muricata
- Pinus nigra
- Pinus pinaster
- Pinus pinea
- Pinus pungens
- Pinus resinosa
- Pinus sylvestris
- Pinus taiwanensis
- Pinus thunbergii
- Pinus virginiana
- Pinus attenuata
- Pinus bungeana
- Pinus canariensis
- Pinus coulteri
- Pinus engelmannii
- Pinus jeffreyi
- Pinus patula
- Pinus radiata
- Pinus rigida
- Pinus roxburghii
- Pinus sabiniana
- Pinus albicaulis
- Pinus aristata
- Pinus armandii
- Pinus ayacahuite
- Pinus balfouriana
- Pinus culminicola
- Pinus flexilis
- Pinus koraiensis
- Pinus kwangtungensis
- Pinus lambertiana
- Pinus longaeva
- Pinus montezumae
- Pinus monticola
- Pinus palustris
- Pinus parviflora
- Pinus peuce
- Pinus pseudostrobus
- Pinus pumila
- Pinus sibirica
- Pinus strobus
- Pinus wallichiana
- Pseudolarix amabilis
- Pseudotsuga macrocarpa
- Pseudotsuga menziesii var. glauca
- Pseudotsuga menziesii var. menziesii
- Pseudotsuga sinensis
- Tsuga canadensis
- Tsuga caroliniana
- Tsuga chinensis
- Tsuga diversifolia
- Tsuga dumosa
- Tsuga mertensiana
- Tsuga sieboldii
- Hebe salicifolia
- Platanus occidentalis
- Platanus orientalis
- Platanus x acerifolia
- Lagarostrobos franklinii
- Prumnopitys andina
- Saxegothaea conspicua
- Polygala balansae
- Polygala myrtifolia
- Embothrium coccineum
- Lomatia hirsuta
- Clematis 'Dawn'
- Clematis 'Multi Blue'
- Clematis 'Nelly Moser'
- Clematis akeboides
- Clematis alpina
- Clematis armandii
- Clematis connata
- Clematis flammula
- Clematis montana
- Clematis pogonanadra
- Clematis potaninii
- Clematis recta
- Clematis tashiroi
- Discaria chacaye
- Frangula alnus
- Hovenia dulcis
- Rhamnus alaternus
- Rhamnus davurica
- Aronia melanocarpa
- Chamaebatiaria millefolium
- Cotoneaster ambiguus
- Cotoneaster cochleatus
- Cotoneaster frigidus
- Cotoneaster horizontalis
- Cotoneaster lacteus
- Cotoneaster microphyllus
- Cotoneaster moupinensis
- Crataegus ashei
- Crataegus macrantha
- Crataegus monogyna
- Crataegus orientalis
- Crataegus phaenopyrum
- Crataegus songarica
- Crataegus turkestanica
- Crataegus uniflora
- Crataegus x grignonensis
- Crataegus x vailiae
- Exochorda giraldii
- Exochorda korolkowii
- Exochorda racemosa
- Exochorda serratifolia
- Holodiscus microphyllus
- Oemleria cerasiformis
- Photinia beauverdiana var. notabilis
- Photinia davidiana
- Photinia niitakamensis
- Photinia serratifolia
- Photinia villosa
- Potentilla fruticosa
- Prunus dulcis
- Pyrus betulifolia
- Pyrus calleryana
- Pyrus communis
- Pyrus pyrifolia
- Pyrus salicifolia
- Rosa albertii
- Rosa brunonii
- Rosa canina
- Rosa ecae
- Rosa fetdschenkoana
- Rosa kokanica
- Rosa laevigata
- Rosa moyesii
- Rosa nanothamnus
- Rosa roxburghii
- Rosa sempervirens
- Rosa sericea
- Rosa sweginzowii
- Sorbus 'Joseph Rock'
- Sorbus 'Leonard Messel'
- Sorbus americana
- Sorbus aucuparia
- Sorbus cashmiriana
- Sorbus commixta
- Sorbus domestica
- Sorbus forrestii
- Sorbus hybrida 'Gibbsii'
- Sorbus matsumurana
- Sorbus setshwanensis
- Sorbus wilsoniana
- Sorbus alnifolia
- Sorbus aria
- Sorbus caloneura
- Sorbus folgneri
- Sorbus hemsleyi
- Sorbus megalocarpa
- Sorbus meliosmifolia
- Sorbus yuana
- Cephalanthus occidentalis
- Emmenopterys henryi
- Phellodendron amurense
- Phellodendron chinense
- Phellodendron japonicum
- Phellodendron lavallei
- Ptelea trifoliata
- Skimmia japonica
- Tetradium daniellii
- Tetradium glabrifolium
- Zanthoxylum ailanthioides
- Zanthoxylum schinifolium
- Zanthoxylum simulans
- Meliosma cuneifolia
- Meliosma myriantha
- Meliosma pinnata
- Meliosma simplicifolia
- Meliosma veitchiorum
- Azara lanceolata
- Idesia polycarpa
- Poliothyrsis sinensis
- Populus alba
- Populus caspica
- Populus deltoides
- Populus lasiocarpa
- Populus maximowiczii
- Populus nigra
- Populus rotundifolia
- Populus talassica
- Populus wilsonii
- Populus x canadensis
- Populus x canescens
- Acer acuminatum
- Acer argutum
- Acer barbinerve
- Acer buergerianum
- Acer caesium
- Acer calcaratum
- Acer campbellii
- Acer campestre
- Acer capillipes
- Acer cappadocicum
- Acer carpinifolium
- Acer caudatifolium
- Acer circinatum
- Acer crataegifolium
- Acer davidii
- Acer elegantulum
- Acer erianthum
- Acer grandidentatum
- Acer griseum
- Acer heldreichii
- Acer henryi
- Acer hyrcanum
- Acer longipes
- Acer mandshuricum
- Acer maximowiczianum
- Acer metcalfii
- Acer micranthum
- Acer miyabei
- Acer monspessulanum
- Acer morifolium
- Acer negundo
- Acer nipponicum
- Acer oblongum
- Acer oliverianum
- Acer opalus
- Acer palmatum
- Acer paxii
- Acer pectinatum
- Acer pensylvanicum
- Acer pentaphyllum
- Acer pictum
- Acer platanoides
- Acer pseudoplatanus
- Acer pseudosieboldianum
- Acer pubipalmatum
- Acer pycnanthum
- Acer rubescens
- Acer rubrum
- Acer rufinerve
- Acer sempervirens
- Acer shirawasanum
- Acer sieboldianum
- Acer sikkimense
- Acer sinopurpurescens
- Acer spicatum
- Acer stachyophyllum
- Acer sterculiaceum
- Acer tataricum
- Acer tegmentosum
- Acer tenellum
- Acer triflorum
- Acer truncatum
- Acer tsinglingense
- Acer tutcheri
- Acer velutinum
- Acer wuyuanense
- Acer x conspicuum
- Dipteronia sinensis
- Dodonea viscosa
- Koelreuteria bipinnata
- Koelreuteria paniculata
- Xanthoceras sorbifolium
- Illicium anisatum
- Illicium floridanum
- Illicium henryii
- Illicium simonsii
- Buddleja fallowiana
- Buddleja lindeyana
- Ailanthus altissima
- Leitneria floridana
- Stachyurus chinensis
- Stachyurus himalaicus
- Stachyurus praecox
- Staphylea colchica
- Halesia carolina
- Halesia diptera
- Pterostyrax corymbosus
- Pterostyrax hispidus
- Pterostyrax psilophyllus
- Sinojackia xylocarpa
- Styrax hemsleyanus
- Symplocos paniculata
- Myricaria germanica
- Tamarix ramosissima
- Cephalotaxus harringtonii
- Cephalotaxus koreana
- Taxus baccata
- Torreya californica
- Torreya grandis
- Torreya nucifera
- Torreya taxifolia
- Franklinia alatamaha
- Polyspora axillaris
- Schima wallichii
- Stewartia malacodendron
- Stewartia monadelpha
- Stewartia ovata
- Stewartia pseudocamellia
- Stewartia rostrata
- Stewartia serrata
- Stewartia sinensis
- Stewartia x henryae
- Daphne bholua
- Daphne feddei
- Daphne genkwa
- Daphne laureola
- Daphne mezereum
- Daphne tangutica
- Edgeworthia chrysantha
- Tetracentron sinense
- Trochodendron aralioides
- Hemiptelea davidii
- Ulmus davidiana var. japonica
- Ulmus glabra
- Ulmus laevis
- Ulmus parviflora
- Zelkova abelicea
- Zelkova carpinifolia
- Zelkova schneideriana
- Zelkova serrata
- Zelkova sicula
- Zelkova sinica
- Parthenocissus quinquefolia
- Drimys winteri
- Tasmannia lanceolata
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Descouens, Didier
Dr. Didier Descouens is from the Institut Picot de Lapeyrouse, Muséum de Toulouse, Toulouse, France. Note his light box photographs of the paper mulberry plant.
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Dziuk, Peter M.
Peter is with Minnesota Wildflowers (www.minnesotawildflowers.info), a mission to educate Minnesotans about their native plants. He has contributed close-up pictures of various aspects of trees.
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Earl, Chris
Chris is the webmaster of the Gymnosperm Database, one of the most referenced websites in the world with respect to conifers.
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England, Lanny
Lanny England is the Manager of Park Planning and Forestry in the municipality of Coquitlam, British Columbia, Canada. He has been a strong supporter of the development and implementation of TreeLib.ca
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Enking, Leonora
Australia
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Evans, Pablo
London, UK
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Fitz, Mike
Mike4Trees
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Forlonge, John
John is a dedicated horticulturalist and plant photographer living in Australia. He used to be in charge of collections at the Royal Botanic Gardens, Sydney, and has collected plants in North Queensland, the Philippines, Sabah, Chile, Kenya, Zimbabwe, Lesotho and Costa Rica.
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Friedman, William (Ned)
Ned is the Arnold Professor of Organismic and Evolutionary Biology, Harvard University, and also is the Director of the Arnold Arboretum, Boston Mass, USA. As an outstanding photographer, he has kindly contributed various photographs from his large personal collection. Thanks, Ned, for your many inspiring close-ups.
- Cotinus obovatus
- Aralia californica
- Alnus maximowiczii
- Carpinus betulus
- Corylus chinensis
- Corylus tibetica
- Abelia chinensis
- Kolkwitzia amabilis
- Cyrilla racemiflora
- Euptelea pleiosperma
- Amorpha nana
- Cercis chinensis
- Gleditsia caspica
- Corylopsis glabrescens
- Juglans ailantifolia
- Callicarpa dichotoma
- Broussonetia papyrifera
- Nyssa sylvatica
- Syringa pubescens
- Pseudolarix amabilis
- Exochorda giraldii
- Tetradium daniellii
- Acer griseum
- Acer henryi
- Acer micranthum
- Acer pictum
- Acer rubrum
- Acer saccharinum
- Leitneria floridana
- Symplocos paniculata
- Cephalotaxus sinensis
- Trochodendron aralioides
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Garin, Paco
Paco is a botanist and photographer from Spain. He is a most prolific contributor of photos of a wide variety of species from all over Europe and describing species in detail in Spanish and in English. He is an authority on documenting the many species of oaks throughout Europe.
- Alangium platanifolium
- Toxicodendron succedaneum
- Ilex aquifolium
- Ilex chinensis
- Metapanax davidii
- Olearia ilicifolia
- Berberis kawakamii
- Carpinus caroliniana
- Carpinus japonica
- Carpinus tschonoskii
- Corylus colurna
- Ostryopsis davidiana
- Calycanthus chinensis
- Celtis tenuifolia
- Pteroceltis tatarinowii
- Euonymus atropurpureus
- Maytenus boaria
- Clethra acuminata
- Clethra barbinervis
- Clethra fargesii
- Clethra monostachya
- Convolvulus cneorum
- Cyrilla racemiflora
- Diospyros kaki
- Diospyros lotus
- Hippophae rhamnoides
- Aristotelia chilensis
- Crinodendron hookerianum
- Arbutus andrachne
- Erica scoparia
- Zenobia pulverulenta
- Eucommia ulmoides
- Euptelea polyandra
- Acacia baileyana
- Acacia boormanii
- Acacia pravissima
- Acacia retinodes
- Acacia rubida
- Acacia terminalis
- Acacia verticillata
- Ceratonia siliqua
- Gleditsia sinensis
- Robinia neomexicana
- Sophora microphylla
- Castanea crenata
- Castanea henryi
- Castanea mollissima
- Castanopsis cuspidata
- Castanopsis fissa
- Fagus engleriana
- Lithocarpus glaber
- Lithocarpus henryi
- Quercus dentata
- Quercus ilex
- Quercus suber
- Corylopsis platypetala
- Distylium myricoides
- Distylium racemosum
- Fortunearia sinensis
- Parrotia subaequalis
- Callicarpa kwangtungensis
- Decaisnea fargesii
- Cinnamomum camphora
- Cinnamomum japonicum
- Lindera aggregata
- Lindera bezoin
- Lindera rubronervia
- Neolitsea sericea
- Sassafras tzumi
- Magnolia stellata
- Callistemon citrinus
- Myrceugenia exsucca
- Nothofagus alpina
- Camptotheca accuminata
- Davidia involucrata
- Nyssa sinensis
- Chionanthus virginicus
- Fraxinus lanuginosa
- Ligustrum japonicum
- Olea europaea
- Osmanthus armatus
- Fuchsia paniculata
- Paulownia kawakamii
- Abies alba
- Abies nordmanniana
- Abies pinsapo
- Cathaya argyrophylla
- Keteleeria davidiana
- Podocarpus salignus
- Saxegothaea conspicua
- Frangula alnus
- Aronia melanocarpa
- Cotoneaster frigidus
- Cotoneaster lacteus
- Cotoneaster rehderi
- Crataegus orientalis
- Crataegus x grignonensis
- Exochorda racemosa
- Prunus maackii
- Pseudocydonia sinensis
- Emmenopterys henryi
- Citrus trifoliata
- Zanthoxylum schinifolium
- Meliosma cuneifolia
- Azara serrata
- Populus yunnanensis
- Acer griseum
- Acer paxii
- Acer pectinatum
- Acer pentaphyllum
- Acer pictum
- Acer tutcheri
- Dipteronia sinensis
- Koelreuteria bipinnata
- Stachyurus chinensis
- Stachyurus himalaicus
- Stachyurus praecox
- Staphylea colchica
- Tapiscia sinensis
- Cephalotaxus harringtonii
- Taxus cuspidata
- Tetracentron sinense
- Hemiptelea davidii
- Zelkova carpinifolia
- Zelkova schneideriana
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Gercens, Karl
Karl is an educator and lecturer in horticulture with an extensive history in plants of the United States. His interesting website is at: http://karlgercens.com/
- Euonymus atropurpureus
- Clethra barbinervis
- Clethra fargesii
- Neoshirakia japonica
- Parrotia subaequalis
- Clerodendrum bungei
- Brachychiton populneus
- Ligustrum japonicum
- Osmanthus armatus
- Fuchsia paniculata
- Keteleeria davidiana
- Pinus monophylla
- Embothrium coccineum
- Acradenia frankliniae
- Dodonea viscosa
- Koelreuteria bipinnata
- Stachyurus chinensis
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Harms, Marlin
Marlin is an outstanding photographer of wildlife and plants. He lives in California, USA
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Japan, ashitaka
Ashitaka lives in Japan.
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Jaquish, Barry
Barry is a research scientist at the Kalamalka Research Center in Vernon, British Columbia, Canada. He has provided useful background on members of the spruce genus and on tree improvement programs in North America.
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Johnston, John
UK
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Kemeny, Ron
Ron is living in the UK and is a volunteer recorder for The Tree Register of Britain and Ireland, photographing identifying characteristics of species in botanical gardens parks throughout the UK, confirming ID and recording global positioning coordinates for The Tree Registry's database. Thanks for contributing your useful photographs of species and cultivars.
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Kesl, Michael
Michael is a researcher at the Biological Library (Biolib.cz), in the Czech Republic.
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Kleinheider, Steve
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Lattimer, Quinn
Quinn is an active traveler and an avid fan of hiking in the outdoors, including snowshoeing in parks in the winter time. He also takes excellent aerial photographs while flying.
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Lavin, Matt
Professor Lavin is on faculty at Montana State University, Bozeman, Montana, USA, teaching courses in plant systematic ecology and regional flora. He has perhaps the best set of photographs on the internet for learning about grasses, legumes and succulent plants of North America.
- Elaeagnus angustifolia
- Robinia neomexicana
- Pinus contorta
- Pinus albicaulis
- Pinus aristata
- Pinus balfouriana
- Pinus flexilis
- Amelanchier alnifolia
- Chamaebatiaria millefolium
- Ptelea trifoliata
- Populus balsamifera
- Populus deltoides
- Populus x canadensis
- Salix bebbiana
- Salix fragilis
- Salix scouleriana
- Tamarix ramosissima
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Manners, Malcolm
Malcolm is professor of Horticulture at Florida Southwestern College, Lakeland, Florida. He travels widely with his students and is an authority in citrus crop horticulture as well as plants in south-eastern USA.
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Marrison, Dave
Dave is a botanical horticulturist with a keen interest in an extensive range of plants in the southern hemisphere, particularly the flora of Tasmania and Australia. His collection of photos has been a good educational tool for us.
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Martin, Tim
Tim Martin is from Madison, Alabama, USA, center of the region of the well-known loblolly pine plantations.
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Mayer, Bob
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Meades, Susan J.
Susan is a botany specialist who has worked in a variety of roles throughout her career, including being adjunct professor of Botany for 10 years, to publishing many papers of vascular plans in Canada, to being a nomenclature biologist and now to developing NL-Flora (https://newfoundland-labradorflora.ca/). She has been a key supporter and contributor to The Tree Library.
- Betula alleghaniensis
- Betula cordifolia
- Betula papyrifera
- Cornus alternifolia
- Cornus canadensis
- Juniperus communis
- Juniperus virginiana
- Thuja occidentalis
- Fraxinus nigra
- Abies balsamea
- Larix decidua
- Larix kaempferi
- Larix laricina
- Picea glauca
- Picea mariana
- Picea rubens
- Pinus banksiana
- Pinus resinosa
- Pinus strobus
- Tsuga canadensis
- Populus balsamifera
- Populus grandidentata
- Populus tremula
- Populus tremuloides
- Salix bebbiana
- Salix fragilis
- Acer spicatum
- Taxus canadensis
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Morefield, James
Jim is a botanist with the Department of Conservation & Natural Resources, Nevada Natural Heritage Program, Carson City, Nevada, USA
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Niebla, Sergio
Russia
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Olszyk, David
David is the president of the American Conifer Society (ACS) and has provided assistance with tours in the field to photograph species. Mr. Olszyk has an encyclopedic knowledge of conifer species of the world. He has worked with staff from The Tree Library to add some of its photos to the ACS database.
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Pangue, Lalo
Lalo has contributed some of our most beautiful photographs of maples changing colors in the fall. Thanks!
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Parkin, Norm
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Pihlaviita, Kari
Finland
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Raasakka, Kaisu
Norway
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Rae, Sandy
A nature photographer in Scotland.
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Reurink, Jan
Jan is an authority and renowned photographer on Tibet and its culture and natural beauty. He has provided excellent photos of old growth trees in remote areas of Tibet.
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Richards, F.D.
F.D. has an excellent eye for photographing and a detailed knowledge about plants and their cultivars, from his home in Illinois in the U.S. Thanks for your great photos.
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Rockstein, Andy
Germany
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Rooney, Lliam
Lliam is a botanical photographer, field botanist and recorder for the Kent Botanical Recording Group in association with the Botanical Society of the British Isles.
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Rushbrooke, Ben
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Russell, Edd
Thailand
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Sheila, Plantaholic
Sheila is a well-known and appreciated botanist in the UK who has collected, documented and taught about many hundreds of species from around the world.
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Sim, Alfred
Australia
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Starr, Forest and Kim
Forest and Kim Starr contribute excellent photos from locations in Hawaii.
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State University, California Polytechnic
J. Reimer, M. Ritter, W. Mark and C. Stubler are at the School of Urban Forestry, working with the SelecTree plant database at California Polytechnic State University (Cal Poly) in San Luis Obispo, California. They have contributed to the exchanging of photos between TreeLib.ca and SelecTree to improve each other's collections.
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Stewart, Randy
Randy is a horticulturalist in Baltimore, Maryland, USA. He has a passion for documenting many of the species he encounters in his work.
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Tann, Jon
John lives in Mullumbimby, Australia. He has an extensive background in photographing plants and insects of Australia.
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Tolgyesi, Kata
Kata photographs extensively in Budapest, Hungary in Europe.
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TOMCAT, BEAR
Thanks to John Johnson for the use of some of his pictures.
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UBC, Botanical Garden
The author especially thanks Douglas Justice, and as well, Daniel Mosquin, Egan Davis and Patrick Lewis at the University of British Columbia Botanical Garden in Vancouver, BC, Canada for their support and advice, and in giving me open access to the Garden for photographing many species, particularly from Asia. We have photographed over 700 species in the extensive collection, through all seasons.
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UBC, Department of Urban Forestry
The author thanks Professors Cecil Konijnendijk and Stephen Shepherd of the Urban Forestry Department at the University of British Columbia in Vancouver, B.C., Canada for their introductions, patient listening and enthusiastic support of The Tree Library through its many stages of development.
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UBC, Forestry Department
The author extends his thanks to Professors Robert Guy and Sally Aitken in the Faculty of Forestry at the University of British Columbia, Vancouver, BC, Canada for their early connecting to various aspects of the Tree Library for their teaching programs, and for following it with me over the numerous years of development.
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Uchida, Akimoto
Japan
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Vandusen, Botanical Garden
The author thanks many of the staff and plant specialists at Vandusen Botanical Garden in Vancouver, BC, Canada for answering many of my questions over the past 6 years and for providing over 150 species to photograph in all seasons.
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Vervuen, Albert
Albert is from Holland. He has dedicated himself for many years to taking amazing photographs of nature and posting them on his Flickr site.
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Victoria, University of
The author thanks Professors Patrick von Aderkas and Barbara Hawkins for their confidence and support regarding The Tree Library, and for using it as a teaching tool.
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Weisler, Jon
John is an avid plant enthusiast and excellent photographer living in Nevada in the US. Thanks for contributing, John.
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Wester, Laura
Laura is from the Arboretum Wespelaar, Haacht-Wespelaar, Belgium. She has been instrumental in providing assistance to upgrade our collections of many species around the world. Arboretum Wespelaar is part of ArbNet, a worldwide network of arboreta from all over the world work together to preserve trees and tree collections. Thanks Laura, for the valuable contribution you have made to The Tree Library.
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Whitbread, Randy
Randy lives in northern Manitoba in Canada and is well-known for taking high quality photographs of northern landscapes.
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Willson, Barbara
Barbara is active in the outdoors, hiking and canoeing throughout British Columbia, the Yukon, Washington State, USA and Hawaii.
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Willson, Eleanor
Eleanor is an environmental consultant from University of British Columbia, Vancouver, B.C. She is most active in hiking and in traveling to do field work in fisheries and forestry in British Columbia.
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Willson, Nathan
Nathan is a highly skilled computer programmer living between Victoria, B.C. and Tokyo, Japan. He has devoted countless hours of his own time over 5 years developing all aspects of the website of The Tree Library. Our success would have been impossible without him. Thanks so much.
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Wilson, Stuart
California, USA
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Wormley, Glynn
UK
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Worrall, John
Dr. John Worrall in his career was a well-known and respected professor of dendrology for many years at the Faculty of Forestry, University of British Columbia, Vancouver, B.C., Canada.