| Scientific Name [Eilers & Roosa] |
Author [Eilers & Roosa] |
Subspecific Category [Eilers & Roosa] |
Common Name |
Family [FNA] |
Scientific Name [FNA] |
Author [FNA] |
Subspecific Category [FNA] |
Habitat | Abundance & Distribution |
Geographic Areas of Iowa Occupied |
US Native? |
IA Native? |
Special Notes |
| Amorpha canascens | Pursh | . | Lead plant | . | . | . | . | Prairie remnants. Loess bluffs. Dry, sandy, open habitats. | Common throughout the state. | All | Yes | Yes | . |
| Amorpha fruticosa | L. | . | Indigo bush, false indigo | . | . | . | . | Alluvium. Marsh edges. Streambanks. Prairie swales. | Frequent to common throughout most of the state. | All | Yes | Yes | E&R includes 2 varieties: var. fruticosa & var. angustifolia Pursh. |
| Amorpha nana | Nutt. | . | Fragrant false indigo | . | . | . | . | Low, mesic prairies. | Rare in C, N, &SC | NE, NC, NW, C, SC | Yes | Yes | . |
| Amphicarpaea bracteata | (L.) Fern. | . | Hog peanut | . | . | . | . | Woods. Woodland edges. Shores. | Frequent to common throughout the state. | All | Yes | Yes | E&R includes 2 varieties: var. bracteata & var. comosa (L.) Fern. |
| Anthyllis vulneraria | L. | . | . | . | . | . | . | Fields & waste ground. | Rare in C [Story County] & NC [Wright County]. Last collected in 1935. | NC, C | No | No | . |
| Apios americana | Medicus | . | Ground-nut | . | . | . | . | Alluvial woods. Streambanks. Moist prairies. | Absent in NW. Rare in Iowan Surface. Frequent to common elsewhere. | NE, NC, EC, C, WC, SE, SC, SW | Yes | Yes | . |
| Astragalus adsurgens | Pallas | var. robustior Hooker | Milk vetch | . | . | . | . | Gravelly prairie remnants. | Rare in NW [Dickinson & Osceola Counties]. | NW | Yes | Yes | . |
| Astragalus agrestis | Douglas ex D. Don | . | Milk vetch | . | . | . | . | Dry, gravelly, prairie remnants. | Rare in NW & NC. | NC, NW | Yes | Yes | . |
| Astragalus canadensis | L. | . | Milk vetch | . | . | . | . | Prairies. Roadsides. Woodland borders. | Common in W 1/2. Infrequent to frequent in E 1/2. | All | Yes | Yes | . |
| Astragalus crassicarpus | Nutt. | . | Ground plum | . | . | . | . | Dry, gravelly or sandy prairies. Loess prairies. | Common in NW & NC. Infrequent in NE, SC, & SW. Rare or absent elsewhere. | All | Yes | Yes | . |
| Astragalus distortus | T&G | . | Bent milk vetch | . | . | . | . | Sandy prairies. Alluvium. Open sandy soil. | Infrequent to rare in E. | NE, EC, SE | Yes | Yes | . |
| Astragalus flexuosus | (Hooker) G. Don | . | Milk vetch | . | . | . | . | Dry prairies. | Rare in NW [Lyon County]. | NW | Yes | Yes | . |
| Astragalus lotiflorus | Hooker | . | Milk vetch | . | . | . | . | Dry, gravelly prairies. Loess bluffs. | Common in NW. Rare in NC & SW. | NC, NW, SW | Yes | Yes | . |
| Astragalus missouriensis | Nutt. | . | Milk vetch | . | . | . | . | West-facing loess bluffs. | Rare in WC [Woodbury County] & rare in NW [Plymouth County]. | NW, WC | Yes | Yes | . |
| Baptisia australis | (L.) R. Br. | var. minor (Lehm.) Fern. | Wild blue indigo | . | . | . | . | Prairie remnants. Roadsides. | Rare in NW, SC [Decatur County], & in SW [Adair & Page Counties]. | NW, SC, SW | Yes | Yes | . |
| Baptisia bracteata | Muhl. ex Ell. | var. glabrescens (Larisey) Isley | Cream wild indigo | . | . | . | . | Upland prairies. Roadsides. Open woods. | Infrequent to frequent throughout much of the state. Rare in NW & extreme E. | All | Yes | Yes | . |
| Baptisia lactea | (Raf.) Thieret | . | White wild indigo | . | . | . | . | Prairie remnants. Open, sandy soil. Roadsides. | Infrequent to frequent throughout much of the state. Rare in NW & extreme NE. | All | Yes | Yes | . |
| Baptisia tinctoria | (L.) R. Br. | . | Yellow wild indigo | . | . | . | . | Sandy woods. | Rare in SC [Madison County (1917)]. | SC | Yes | Yes | E&R includes 2 varieties: var. tinctoria & var. crebra Fern. |
| Caragana arborescens | Lam. | . | Siberian pea tree | . | . | . | . | Spring. | Rare in NE [Dubuque County]. | NE | No | No | . |
| Cassia marilandica | L. | . | Wild senna | . | . | . | . | Moist alluvial or open upland woods. | Infrequent in S 1/2 of the state. Rare in NE & EC. | NE, EC, C, WC, SE, SC, SW | Yes | Yes | . |
| Cercis canadensis | L. | . | Redbud | . | . | . | . | Wooded ravines. Wooded bluff. Alluvium. | Common in SE. Infrequent in SC & SW. Adventive in NE. | NE, SE, SC, SW | Yes | Yes | . |
| Chamaecrista fasciculata | (Michx.) Greene | . | Partridge pea | . | . | . | . | Prairie remnants. Dry, open habitats. Roadsides. Sandy areas. | Frequent to common throughout. | All | Yes | Yes | . |
| Coronilla varia | L. | . | Crown vetch | . | . | . | . | Roadsides. | Common. Planted along highways throughout the state. | All | No | No | . |
| Crotalaria sagittalis | L. | . | Rattle box | . | . | . | . | Praire remnants; woodland openings; dry, sandy soil. | Infrequent to frequent in N 1/2. Rare in S 1/2. | All | Yes | Yes | . |
| Dalea candida | Willd. | var. candida | White prairie clover | . | . | . | . | Prairies. | Common in W 1/2. Frequent in E 1/2. Absent from the Loess Hills. | All | Yes | Yes | See also Dalea candida var. oligophylla |
| Dalea candida | Willd. | var. oligophylla (Torrey) Shinners | . | . | . | . | . | Dry loess bluffs. Prairies. | Infrequent in NW. Rare in SW. | NW, SW | Yes | Yes | See also Dalea candida var. candida |
| Dalea enneandra | Nutt. | . | . | . | . | . | . | Dry loess bluffs. Prairies. | Common in SW. Infrequent in NW. | NW, SW | Yes | Yes | . |
| Dalea leporina | (Aiton) Bullock | . | Foxtail dalea | . | . | . | . | Sandy alluvium. Sandy lake margins. Moist prairies. | Infrequent in S 1/2. Rare in NW & E. Frequent on Missouri River floodplain. | NE, NW, EC, C, WC, SE, SC, SW | Yes | Yes | . |
| Dalea purpurea | Vent. | . | Purple prairie clover | . | . | . | . | Prairies. Loess bluffs. Gravelly hills. | Frequent to common throughout the state. | All | Yes | Yes | . |
| Dalea villosa | (Nutt.) Sprengel | . | Silky prairie clover | . | . | . | . | Sandy prairies. | Rare in NE [Black Hawk County]. | NE | Yes | Yes | . |
| Desmanthus illinoensis | (Michx.) MacM. ex B. L. Robinson & Fern. | . | Prairie mimosa, Illinois bundle flower | . | . | . | . | Loess bluffs. Sandy alluvium. | Common in SW in loess. Infrequent to rare elsewhere. | All | Yes | Yes | . |
| Desmodium canadense | (L.) DC. | . | Showy tick-trefoil | . | . | . | . | Dry, open woods. Roadsides. Prairies. | Common in NW, NE, & S. Infrequent to frequent elsewhere. | All | Yes | Yes | . |
| Desmodium canescens | (L.) DC. | . | Hoary tick-trefoil | . | . | . | . | Dry or clay soil. Upland woodland openings. | Infrequent to rare throughout. | All | Yes | Yes | . |
| Desmodium cupsidatum | (Muhl. ex Willd.) Loudon | . | Bracted tick-trefoil | . | . | . | . | Sandy or rocky woods. Alluvium. | Common in NE. Infrequent to rare elsewhere. | All | Yes | Yes | E&R includes 2 varieties: var. cuspidatum & var. longifolium (T&G) Schub. |
| Desmodium glutinosum | (Muhl. ex Willd.) Wood | . | Pointed tick-trefoil | . | . | . | . | Moist woods. | Frequent to common throughout most of the state. Rare in NW. | All | Yes | Yes | . |
| Desmodium illinoense | Gray | . | Illinois tick-trefoil | . | . | . | . | Dry prairie remnants. | Frequent to common in S 1/2 & in E. Rare elsewhere. | All | Yes | Yes | . |
| Desmodium nudiflorum | (L.) DC. | . | Bare-stemmed tick-trefoil | . | . | . | . | Open, upland woods. | Infrequent in Paleozoic Plateau. Rare in remainder of E 1/2 of the state. | NE, NC, EC, C, SE, SC | Yes | Yes | . |
| Desmodium paniculatum | (L.) DC. | . | Panicled tick-trefoil | . | . | . | . | Sandy, alluvial woods. Upland woodland openings. | Common in SE. Infrequent to rare in SC & SW. Rare in N 1/2. | All | Yes | Yes | . |
| Desmodium sessilifolium | (Torrey) T&G | . | Sessile-leaved tick-trefoil | . | . | . | . | Dry upland woods. Alluvial sand flats. | Rare in C [Poweshiek County], NE [Black Hawk County (1895)], & SE [Des Moines & Lee Counties]. | NE, C, SE | Yes | Yes | . |
| Gleditsia triacanthos | L. | . | Honey locust | . | . | . | . | Alluvial woods. Old pastures. Sandy prairies. | Common throughout most of the state. Infrequent in NW. | All | Yes | Yes | . |
| Glycine max | (L.) Merr. | . | Soybean | . | . | . | . | Fields. Disturbed ground. Roadsides. | Common. Widely cultivated. Not persisting. | All | No | No | . |
| Glycyrrhiza lepidota | Pursh | . | Wild licorice | . | . | . | . | Prairie remnants. Loess bluffs. Pastures. | Frequent to common in W 1/2. Waif along railroads in E 1/2. | All | Yes | Yes | . |
| Gymnocladus dioicus | (L.) K. Koch | . | Kentucky coffee tree | . | . | . | . | Moist, wooded ravines. Alluvium. | Frequent to infrequent throughout. | All | Yes | Yes | . |
| Kummerowia stipulacea | (Maxim.) Makino | . | Korean clover | . | . | . | . | Dry, open soil. Roadsides. Pastures. Disturbed areas. | Common in SE. Infrequent in SC. Rare in NE. | NE, SE, SC | No | No | . |
| Kummerowia striata | (Thunb.) Schindl. | . | Japanese clover | . | . | . | . | Sandy prairie | Rare in SE [Muscatine County]. | SE | No | No | . |
| Lathyrus ochroleucus | Hooker | . | Wild pea, vetchling | . | . | . | . | Upland woods. North-facing, wooded, talus slopes. | Frequent in NC. Rare in NE & in Paleozoic Plateau. | NE, EC | Yes | Yes | . |
| Lathyrus palustris | L. | . | Marsh vetchling | . | . | . | . | Moist prairie remnants. Marshy shores. | Common in NC. Infrequent to rare elsewhere. | All | Yes | Yes | . |
| Lathyrus tuberosus | L. | . | . | . | . | . | . | Roadsides. Fencerows. | Rare in SE & in SW [Cass & Adams (1947) Counties]. | SE, SW | No | No | . |
| Lathyrus venosus | Muhl. ex Willd. | . | Veiny pea | . | . | . | . | Dry, upland prairies. Roadsides. | Common in NW & NC. Infrequent to absent elsewhere. | All | Yes | Yes | . |
| Lespedeza capitata | Michx. | . | Round-headed bush clover | . | . | . | . | Prairies. Loess bluffs. Dry, open, sandy soil | Common throughout the state. | All | Yes | Yes | . |
| Lespedeza cuneata | (Dum.-Cours.) G. Don | . | Silky bush clover | . | . | . | . | Roadsides. Disturbed ground. | Rare in S 1/2 of the state. | EC, C, WC, SE, SC, SW | No | No | . |
| Lespedeza daurica | (Laxm.) Schindl. | . | . | . | . | . | . | Dry, open sand. | Rare in SE [Louisa County]. | SE | No | No | . |
| Lespedeza leptostachya | Engelm. | . | Prairie bush clover | . | . | . | . | Prairie remnants. Dry, gravelly prairies. | Rare in C, N, SC. | NE, NC, NW, C, SC | Yes | Yes | . |
| Lespedeza repens | (L.) Barton | . | Creeping bush clover | . | . | . | . | Open woods. | Rare in SE [Henry (1897) & Van Buren (1932) Counties] & SC [Mahaska County (1921)]. | SE, SC | Yes | Yes | . |
| Lespedeza violacea | (L.) Pers. | . | Violet bush clover | . | . | . | . | Open, upland woods. Prairie remnants. Exposed rocky ledges. Gravelly soil. | Common in SE. Infrequent in C & SC. Rare in NE & SW. | NE, C, SE, SC, SW | Yes | Yes | . |
| Lespedeza virginica | (L.) Britton | . | Slender bush clover | . | . | . | . | Woodland edges. Open, upland woods. Prairie remnants. | Frequent in SE. Rare in SC & SW. | SE, SC, SW | Yes | Yes | . |
| Lotus corniculatus | L. | . | Bird's-foot trefoil | . | . | . | . | Roadsides. Waste places. | Infrequent to rare throughout the state. | All | No | No | . |
| Lotus purshianus | Clem. & Clem. | . | . | . | . | . | . | Dry prairies. Woodland openings. Sandy soil. | Rare in NW, NC, & SE. No records since 1926. | NC, NW, SE | Yes | Yes | . |
| Lupinus perennis | L. | . | Wild lupine | . | . | . | . | Dry, sandy prairies. Sandy openings in woods. | Rare in NE [Allamakee & Winneshiek (1893) Counties]. | NE | Yes | Yes | E&R includes 2 varieties: var. perennis & var occidentalis S. Watson |
| Medicago falcata | L. | . | Yellow alfalfa | . | . | . | . | Waste places. Field edges. Roadsides. | Rare in C [Marshall County] & in W [Lyon, Page, Sac, & Sioux Counties]. | NW, C, WC, SW | No | No | . |
| Medicago lupulina | L. | . | Black medic | . | . | . | . | Roadsides. Along railroads. Other waste places. | Frequent to common throughout. | All | No | No | . |
| Medicago sativa | L. | . | Alfalfa | . | . | . | . | Fields. Roadsides. Disturbed soil. | Common escapee from cultivation. | All | No | No | . |
| Melilotus alba | Medicus | . | White sweet clover | . | . | . | . | Roadsides. Disturbed soil. Fields. | Common throughout. | All | No | No | . |
| Melilotus officinalis | (L.) Pallas | . | Yellow sweet clover | . | . | . | . | Roadsides. Disturbed soil. Fields. | Common throughout the state. | All | No | No | . |
| Orbexilum onobrychis | (Nutt.) Rydb. | . | . | . | . | . | . | Moist woods. Woodland openings. | Rare in SE [Des Moines & Lee (1931) Counties]. | SE | Yes | Yes | . |
| Oxytropis lambertii | Pursh | . | Locoweed, Lambert's crazy weed | . | . | . | . | Loess bluffs. Dry, gravelly hillsides. | Infrequent in W, except common in Loess Hills. | NW, WC, SW | Yes | Yes | . |
| Pediomelum argophyllum | (Pursh) Grimes | . | Silvery scurf-pea | . | . | . | . | Dry prairies. Loess bluffs. | Frequent to common in W 1/2 of the state. Rare in NE. | NE, NC, NW, C, WC, SC, SW | Yes | Yes | . |
| Pediomelum esculentum | (Pursh.) Rydb. | . | Prairie turnip | . | . | . | . | Dry, upland prairies. Loess bluffs. | Frequent to common in W, especially in Loess Hills. Infrequent to rare in NC &SC. | NC, NW, WC SC, SW | Yes | Yes | . |
| Psoralidium batesii | Rydb. | . | Scurfy pea | . | . | . | . | Dry prairies. Opening in woods. | Rare to infrequent in S 1/2 of the state & in NC. | NC, EC, C, WC, SE, SC, SW | Yes | Yes | . |
| Psoralidium lanceolatum | (Pursh) Rydb. | . | . | . | . | . | . | Dry, sandy soil. | Rare in W [Harrison, Monona, Pottawattamie, Sioux, & Woodward Counties]. | NW, WC, SW | Yes | Yes | . |
| Robinia pseudoacacia | L. | . | Black locust | . | . | . | . | Disturbed woodlands. Open hillsides. | Frequent to common throughout most of the state. Often escaping cultivation. | All | Yes | No | . |
| Schrankia nuttallii | (DC. ex Britton & Rose) Standley | . | Sensitive brier | . | . | . | . | Sandy soil. Loess bluffs. | Rare in C [Tama County (1895)], WC [Harrison County (1926)], & SW [Mills County]. | C, WC, SW | Yes | Yes | . |
| Strophostyles helvula | (L.) Ell. | . | . | . | . | . | . | Dry, open, mostly sandy soil. | Common in SE & SW. Frequent to infrequent elsewhere. | All | Yes | Yes | . |
| Strophostyles leiosperma | (T&G) Piper | . | . | . | . | . | . | Dry, sandy, upland woods. | Frequent to common in S 1/2. Infrequent to rare in N 1/2. | All | Yes | Yes | . |
| Tephrosia virginiana | (L.) Pers. | . | Goat's-rue | . | . | . | . | Dry, sandy soil. Loess bluffs. | Infrequent in E. Rare in NW & NE. | NE, NW, EC, SE | Yes | Yes | . |
| Trifolium arvense | L. | . | Rabbit-foot clover | . | . | . | . | Disturbed soil. Roadsides. Pastures. | Rare throughout the state. | All | No | No | . |
| Trifolium aureum | Pollich | . | Hop-clover | . | . | . | . | Roadsides. Disturbed prairies. | Rare in E & SW. | NE, EC, SE, SW | No | No | . |
| Trifolium campestre | Schreber | . | Low hop-clover | . | . | . | . | Disturbed, open habitats. | Frequent to common in NC & SC. Infrequent to rare in E 1/2 of the state. | NE, NC, EC, C, SE, SC | No | No | . |
| Trifolium dubium | Sibth. | . | Little hop-clover | . | . | . | . | Disturbed places. | Rare in EC [Cedar County] & SE [Jefferson (1935) & Washington Counties]. | EC, SE | No | No | . |
| Trifolium hybridum | L. | . | Alsike clover | . | . | . | . | Disturbed soil. Field edges. | Frequent to common throughout. | All | No | No | . |
| Trifolium incarnatum | L. | . | Crimson clover | . | . | . | . | Disturbed soil. Waste ground. | Rare in C [Dallas County (1924)], NE [Fayette County (1898)], & EC [Iowa County (1903)]. | NE, EC, C | No | No | . |
| Trifolium pratense | L. | . | Red clover | . | . | . | . | Fields. Roadsides. Disturbed soil. | Common throughout the state. | All | No | No | . |
| Trifolium reflexum | L. | . | Buffalo clover | . | . | . | . | Sandy soil. Upland prairies. | Rare in EC & S. | EC, SE, SC, SW | Yes | Yes | . |
| Trifolium repens | L. | . | White clover | . | . | . | . | Lawns. Roadsides. Pastures. | Common throughout the state. | All | No | No | . |
| Trifolium resupinatum | L. | . | Persian clover | . | . | . | . | Lawns. Disturbed soil. | Rare in SE [Jefferson County (1935)]. | SE | No | No | . |
| Vicia americana | Muhl. ex Willd. | var. americana | Vetch | . | . | . | . | Praire remnants. Loess bluffs. Roadsides. | Frequent to common in N 1/2. Infrequent to rate in S 1/2. | All | Yes | Yes | See Vicia americana var minor |
| Vicia americana | Muhl. ex Willd | var. minor Hooker | . | . | . | . | . | Prairie remnants. Loess bluffs. Roadsides. | Rare in W. | NW, WC, SW | Yes | Yes | See Vicia americana var. americana |
| Vicia cracca | L. | . | Cow vetch | . | . | . | . | Disturbed soil. | Rare in NW [Clay County (1945)]. | NW | No | No | . |
| Vicia sativa | L. | var. nigra L. | Narrow-leaved vetch | . | . | . | . | Roadsides. Pastures. Margins of upland woods. | Frequent in Paleozoic Plateau. Rare in remainder of the NE & NC. | NE, NC, EC | No | No | See Vicia sativa var. sativa |
| Vicia sativa | L. | var. sativa | Common vetch | . | . | . | . | Roadsides. Fields. | Rare in EC [Scott County]. | EC | No | No | See Vicia sativa var. nigra |
| Vicia villosa | Roth | . | . | . | . | . | . | Roadsides. Old fields. Sandy soil. | Infrequent to rare throughout most of the state. | All | No | No | . |
| Wisteria frutescens | (L.) Poiret | . | . | . | . | . | . | Floodplains. | Rare escapee from cultivation in C [Boone & Hardin Counties]. | C | Yes | No | . |
| Scientific Name [Eilers & Roosa] |
Author [Eilers & Roosa] |
Subspecific Category [Eilers & Roosa] |
Common Name |
Family [FNA] |
Scientific Name [FNA] |
Author [FNA] |
Subspecific Category [FNA] |
Habitat | Abundance & Distribution |
Geographic Areas of Iowa Occupied |
US Native? |
IA Native? |
Special Notes |
| Castanea dentata | (Marsh.) Borkh. | . | American chestnut | Fagaceae | Castanea dentata | (Marsh.) Borkh. | . | Open ground near human habitation. | Rare [scattered trees persisting from cultivation]. | All | Yes | No | FNA [3:440] does not include this plant in Iowa. |
| Quercus X bebbiana | Schneider | . | . | Fagaceae | Quercus X bebbiana | Schneider | . | Dry soil. | Rare in SE [Muscatine County (1895)]. | SE | Yes | Yes | = Quercus alba X Q. macrocarpa. FNA mentions Quercus hybrids, but does not include a specific discussion of their distribution. |
| Quercus X bushii | Sarg. | . | . | Fagaceae | Quercus X bushii | Sarg. | . | Dry, often sandy, woods. | Frequent in SE & SC. | SE, SC | Yes | Yes | = Quercus marilandica X Q. velutina. FNA mentions Quercus hybrids, but does not include a specific discussion of their distribution. |
| Quercus X deamii | Trel. | . | . | Fagaceae | Quercus X deamii | Trel. | . | Upland forest. | Rare in SE [Des Moines County (1929)]. | SE | Yes | Yes | = Quercus alba X Q. muhlenbergii. FNA mentions Quercus hybrids, but does not include a specific discussion of their distribution. |
| Quercus X exacta | Trel. | . | . | Fagaceae | Quercus | Trel. | . | Floodplain forest. | Rare in SE [Des Moines County}. | SE | Yes | Yes | = Q. imbricaria X Q. palustris. This hybrid is mentioned in FNA, but not specifically named. FNA does not include a specific discussion of the distribution. |
| Quercus X fernowii | Trel. | . | . | Fagaceae | Quercus X fernowii | Trel. | . | Upland forest. | Rare in SE [Lee County]. | SE | Yes | Yes | = Quercus alba X Q. stellata. FNA mentions Quercus hybrids, but does not include a specific discussion of their distribution. |
| Quercus X hawkinsii | Sudw. | . | . | Fagaceae | Quercus X hawkinsiae | Sudw. | . | None given. | Rare in SC [Appanoose County (1906)]. | SC | Yes | Yes | = Quercus borealis X Q. velutina. FNA mentions Quercus hybrids, but does not include a specific discussion of their distribution. |
| Quercus X leana | Nutt. | . | . | Fagaceae | Quercus X leana | Nutt. | . | Low, sandy woods. | Rare in SE [Des Moines & Keokuk Counties]. | SE | Yes | Yes | = Quercus imbricaria X Q. velutina. FNA mentions Quercus hybrids, but does not include a specific discussion of their distribution. |
| Quercus X paleolithicola | Trel. | . | . | Fagaceae | Quercus X palaeolithicola | Trel. | . | Grazed woods. | Rare in SE [Keokuk County]. | SE | Yes | Yes | = Quercus ellipsoidalis X Q. velutina. FNA mentions Quercus hybrids, but does not include a specific discussion of their distribution. |
| Quercus X schuettei | Trel. | . | . | Fagaceae | Quercus | Trel. | . | Sandy, alluvial woods. | Rare in NE [Bremer County]. | NE | Yes | Yes | = Q. bicolor X Q. macrocarpa. This hybrid is mentioned in FNA, but not specifically named. FNA does not include a specific discussion of the distribution. |
| Quercus alba | L. | . | White oak | Fagaceae | Quercus alba | L. | . | Upland woods. Dry slopes. | Rare in SW. Absent in NW. Common elsewhere. | All | Yes | Yes | FNA [3:481]. |
| Quercus bicolor | Willd. | . | Swamp white oak | Fagaceae | Quercus bicolor | Willd. | . | Alluvial woods. | Infrequent to frequent in E 2/3 of the state. | NE, NC, EC, C, SE, SC | Yes | Yes | FNA [3:479]. |
| Quercus borealis | Michx. f. | var. maxima (Marsh.) Ashe | Northern red oak | Fagaceae | Quercus rubra | L. | . | Moist, upland woods. | Rare in NW. Frequent to common elsewhere. | All | Yes | Yes | FNA [3:465]. |
| Quercus ellipsoidalis | E. J. Hill | . | Hill's oak, northern pin oak | Fagaceae | Quercus ellipsoidalis | E. J. Hill | . | Open, sandy, upland woods. | Frequent to common in NE. Infrequent in E. | NE, EC, SE | Yes | Yes | FNA [3:467]. |
| Quercus imbricaria | Michx. | . | Shingle oak | Fagaceae | Quercus imbricaria | Michx. | . | Bottomlands. Dry hillsides. | Common in extreme SE. Infrequent in southern tier of counties. | SE, SC, SW | Yes | Yes | FNA [3:458]. |
| Quercus macrocarpa | Michx. | . | Bur oak | Fagaceae | Quercus macrocarpa | Michx. | . | Dry uplands. Slopes. | Frequent to common througout the state. | All | Yes | Yes | FNA [3:480]. |
| Quercus marilandica | Muench. | . | Blackjack oak | Fagaceae | Quercus marilandica | Muench. | . | Upland woods. | Rare in SE. | SE | Yes | Yes | FNA [3:462]. |
| Quercus muehlenbergii | Engelm. | . | Chinquapin oak, yellow chestnut oak | Fagaceae | Quercus muehlenbergii | Engelm. | . | Exposed bluffs. Rocky slopes. | Common in E & SW. Frequent in SE & SC. Rare in C. | NE, EC, C, SE, SC | Yes | Yes | FNA [3:477]. |
| Quercus palustris | Muench | . | Pin oak | Fagaceae | Quercus palustris | Muench | . | Alluvial woods. | Common in SE. Infrequent in E. Rare in SC & SW. | NE, EC, SE, SC, SW | Yes | Yes | FNA [3:463]. |
| Quercus prinoides | Willd. | . | Dwarf chinquapin oak. | Fagaceae | Quercus prinoides | Willd. | . | Dry ridges. Rocky bluffs. | Rare in SC & SW. | SC, SW | Yes | Yes | FNA [3:478]. |
| Quercus stellata | Wang. | . | Post oak | Fagaceae | Quercus stellata | Wang. | . | Dry, open, upland woods. | Rare in SE [Henry (1941), Lee, & Van Buren (1941) Counties] & in SC [Appanoose & Decatur Counties]. | SE, SC | Yes | Yes | FNA [3:483]. |
| Quercus velutina | Lam. | . | Black oak | Fagaceae | Quercus velutina | Lam. | . | Upland woods. Sandy, alluvial flats. | Common in SE 2/3 of the state. Common in C. Rare in NW. | All | Yes | Yes | FNA [3:467]. |
| Scientific Name [Eilers & Roosa] |
Author [Eilers & Roosa] |
Subspecific Category [Eilers & Roosa] |
Common Name |
Family [FNA] |
Scientific Name [FNA] |
Author [FNA] |
Subspecific Category [FNA] |
Habitat | Abundance & Distribution |
Geographic Areas of Iowa Occupied |
US Native? |
IA Native? |
Special Notes |
| see Papaveraceae | . | . | . | . | . | . | . | . | . | . | . | . | FNA includes Adlumia, Corydalis, Dicentra, & Fumaria in Fumariaceae |