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| Iowa State University Extension and Outreach is part of the Cooperative Extension Service – one of the nation's largest providers of scientific research-based information and education. It's a network of colleges, universities, and the U.S. Department of Agriculture, serving communities and counties across America. Extension offers practical, how-to education based on powerful university research. It’s available to any resident of Iowa and is tailored to meet the needs of Iowans, needs we know firsthand. Our educators, specialists, and volunteers live and work in all 99 Iowa counties. |
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| 119 Images of 29 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 0008369 | Amur maple | Acer ginnala | |
| 0008159 | northern catalpa | Catalpa speciosa | |
| 0008191 | alternateleaf dogwood | Cornus alternifolia | |
| 0008204 | hawthorn | Crataegus spp. | |
| 0008269 | serviceberry | Amelanchier arborea | |
| 0008082 | hawthorn | Crataegus spp. | |
| 0008083 | hawthorn | Crataegus spp. | |
| 0008100 | Amur maple | Acer ginnala | |
| 0008137 | eastern redbud | Cercis canadensis | variety "alba" |
| 0008267 | eastern redbud | Cercis canadensis | |
| 0008193 | redosier dogwood | Cornus sericea | |
| 0008190 | southern crabapple | Malus angustifolia | |
| 0008075 | redosier dogwood | Cornus sericea | |
| 0008006 | redosier dogwood | Cornus sericea | |
| 0008161 | white fir | Abies concolor | |
| 0008192 | alternateleaf dogwood | Cornus alternifolia | |
| 0008162 | hawthorn | Crataegus spp. | |
| 0008433 | Norway spruce | Picea abies | |
| 0008203 | hawthorn | Crataegus spp. | |
| 0008050 | eastern redbud | Cercis canadensis | |
| 0008138 | eastern redbud | Cercis canadensis | |
| 0008017 | river birch | Betula nigra | |
| 0008016 | paper birch | Betula papyrifera | |
| 0008326 | redosier dogwood | Cornus sericea | |
| 0008327 | redosier dogwood | Cornus sericea | |
| 0008555 | witch-hazel | Hamamelis virginiana | Buds |
| 0008205 | hawthorn | Crataegus spp. | |
| 0008140 | serviceberry | Amelanchier arborea | |
| 0008557 | witch-hazel | Hamamelis virginiana | |
| 0008322 | southern crabapple | Malus angustifolia | |
| 0008328 | redosier dogwood | Cornus sericea | |
| 0008018 | river birch | Betula nigra | |
| 0008024 | common horse chestnut | Aesculus hippocastanum | |
| 0008063 | buckeye | Aesculus spp. | |
| 0008324 | alternateleaf dogwood | Cornus alternifolia | |
| 0008339 | ginkgo | Ginkgo biloba | |
| 0008015 | paper birch | Betula papyrifera | |
| 0008163 | hemlock | Tsuga spp. | |
| 0008164 | common horse chestnut | Aesculus hippocastanum | |
| 0008207 | American hazelnut | Corylus americana | |
| 0008054 | European alder | Alnus glutinosa | |
| 0008321 | southern crabapple | Malus angustifolia | |
| 0008323 | alternateleaf dogwood | Cornus alternifolia | |
| 0008407 | osage-orange | Maclura pomifera | thorns on twig |
| 0008202 | hawthorn | Crataegus spp. | |
| 0008429 | serviceberry | Amelanchier arborea | |
| 0008430 | serviceberry | Amelanchier arborea | |
| 0008135 | eastern redbud | Cercis canadensis | |
| 0008284 | witch-hazel | Hamamelis virginiana | |
| 0008486 | alternateleaf dogwood | Cornus alternifolia | Leaf scars and buds |
| 0008325 | redosier dogwood | Cornus sericea | |
| 0008494 | ginkgo | Ginkgo biloba | |
| 0008338 | ginkgo | Ginkgo biloba | |
| 0008496 | hawthorn | Crataegus spp. | |
| 0008320 | southern crabapple | Malus angustifolia | |
| 0008030 | red mulberry | Morus rubra | |
| 0008165 | hophornbeam | Ostrya virginiana | |
| 0008053 | European alder | Alnus glutinosa | |
| 0008538 | serviceberry | Amelanchier arborea | Buds |
| 0008184 | European buckthorn | Rhamnus cathartica | |
| 0008343 | hawthorn | Crataegus spp. | |
| 0008073 | southern crabapple | Malus angustifolia | |
| 0008088 | common horse chestnut | Aesculus hippocastanum | |
| 0008265 | prickly-ash | Zanthoxylum americanum | |
| 0008556 | witch-hazel | Hamamelis virginiana | Buds |
| 0008160 | alternateleaf dogwood | Cornus alternifolia | |
| 0008136 | eastern redbud | Cercis canadensis | |
| 0008134 | eastern redbud | Cercis canadensis | |
| 0008456 | European alder | Alnus glutinosa | |
| 0008551 | winged burning bush | Euonymus alatus | |
| 0008445 | winged burning bush | Euonymus alatus | |
| 0008446 | winged burning bush | Euonymus alatus | |
| 0008306 | European buckthorn | Rhamnus cathartica | |
| 0008307 | European buckthorn | Rhamnus cathartica | |
| 0008266 | eastern redbud | Cercis canadensis | |
| 0008072 | southern crabapple | Malus angustifolia | |
| 0008525 | red mulberry | Morus rubra | |
| 0008535 | eastern redbud | Cercis canadensis | Buds |
| 0008497 | American hazelnut | Corylus americana | |
| 0008498 | American hazelnut | Corylus americana | with staminate aments |
| 0008499 | American hazelnut | Corylus americana | With staminate aments |
| 0008368 | Amur maple | Acer ginnala | |
| 0008453 | witch-hazel | Hamamelis virginiana | |
| 0008454 | Kentucky yellowwood | Cladrastis kentukea | |
| 0008455 | Kentucky yellowwood | Cladrastis kentukea | |
| 0008417 | American plum | Prunus americana | |
| 0008425 | eastern redbud | Cercis canadensis | |
| 0008426 | eastern redbud | Cercis canadensis | |
| 0008427 | eastern redbud | Cercis canadensis | |
| 0008482 | common chokecherry | Prunus virginiana | |
| 0008484 | dogwood | Cornus spp. | Alternate leaf dogwood (left) compared to redosier dogwood (right) |
| 0008485 | alternateleaf dogwood | Cornus alternifolia | Leaf scars and buds |
| 0008487 | redosier dogwood | Cornus sericea | Leaf scars and buds |
| 0008370 | Amur maple | Acer ginnala | |
| 0008371 | Amur maple | Acer ginnala | |
| 0008344 | American hazelnut | Corylus americana | |
| 0008345 | American hazelnut | Corylus americana | |
| 0008357 | common horse chestnut | Aesculus hippocastanum | |
| 0008074 | alternateleaf dogwood | Cornus alternifolia | |
| 0008062 | buckeye | Aesculus spp. | |
| 0008133 | eastern redbud | Cercis canadensis | |
| 0008076 | redosier dogwood | Cornus sericea | |
| 0008166 | European alder | Alnus glutinosa | |
| 0008180 | buckeye | Aesculus spp. | |
| 0008181 | buckeye | Aesculus spp. | |
| 0008182 | buckeye | Aesculus spp. | |
| 0008183 | buckeye | Aesculus spp. | |
| 0008208 | American hazelnut | Corylus americana | |
| 0008223 | Amur maple | Acer ginnala | |
| 0008263 | American plum | Prunus americana | |
| 0008313 | common chokecherry | Prunus virginiana | |
| 0008314 | common chokecherry | Prunus virginiana | |
| 0008285 | witch-hazel | Hamamelis virginiana | |
| 0008305 | buckeye | Aesculus spp. | |
| 0008206 | American hazelnut | Corylus americana | |
| 0008188 | common chokecherry | Prunus virginiana | |
| 0008158 | buckeye | Aesculus spp. | |
| 0008051 | serviceberry | Amelanchier arborea | |
| 0008052 | serviceberry | Amelanchier arborea |
