Iowa's native and naturalized dicots.

The following information is sorted in ascending order alphabetically by "Family".


The following Cabombaceae are native or naturalized in Iowa.

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 Nymphaeaceae . . . . . . . . . . . . .

The following Cactaceae are native or naturalized in Iowa.

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
Opuntia fragilis (Nutt.) Haw. . Little prickly pear Cactaceae Opuntia fragilis (Nutt.) Haw. . Thin soils on Sioux Quartzite. Sand barrens. Rare in C [Hardin County], NW [Lyon County], & NE [Buchanan County]. NE, NW, C Yes Yes .
Opuntia humifusa (Raf.) Raf. . Eastern prickly pear Cactaceae Opuntia humifusa (Raf.) Raf. var. humifusa Dry, sandy soil. Rare in E & S. NE, EC, SE, SC, SW Yes Yes .
Opuntia macrorhiza Engelm. . Prickly pear Cactaceae Opuntia macrorhiza Engelm. . Sandy prairie. Rare in SW [Montgomery County], WC [Guthrie & Page Counties], C [Polk County], & NE [Allamakee County]. NE, C, WC, SW Yes Yes FNA does not include this plant in Iowa.

The following Callitrichaceae are native or naturalized in Iowa.

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
Callitriche heterophylla Pursh . Water-starwort . . . . Wet shores. Shallow water. Rare: scattered throughout the state. All Yes Yes .
Callitriche verna L. . Water-starwort . . . . Wet shores. Shallow water. Rare in lakes area & in Paleozoic Plateau. NW, NE, EC Yes Yes .

The following Campanulaceae are native or naturalized in Iowa.

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
Campanula americana L. . Tall bellflower . . . . Moist, alluvial woods. Common throughout. All Yes Yes .
Campanula aparinoides Pursh . Marsh bellflower . . . . Moist prairies. Shores. Marshes. Fens. Frequent in NC. Rare to absent elsewhere. All Yes Yes .
Campanula rapunculoides L. . . . . . . Roadsides. Waste ground near cemeteries. Rare escapee from cultivation. All No No .
Campanula rotundifolia L. . Harebell . . . . Rocky prairies. Limestone ledges. Algific talus slopes. Common in extreme E & in Paleozoic Plateau. Rare in C. NE, EC, C, SE Yes Yes .
Lobelia cardinalis L. . Cardinal flower . . . . Moist alluvial woods. Moist open areas. Frequent in NE & SE. Infrequent in SC. Rare in NC. NE, NC, SE, SC Yes Yes .
Lobelia inflata L. . Indian tobacco . . . . Open, often disturbed, woods and roadsides. Frequent to common in SE 2/3. NE, EC, C, SE, SC, SW Yes Yes .
Lobelia kalmii L. . Kalm's lobelia . . . . Fens Rare in N [ Cerro Gordo, Clayton (1921), Clay, Dickinson, Emmet, Howard, & Palo Alto Counties]. NE, NC, NW Yes Yes .
Lobelia siphilitica L. . Great lobelia . . . . Moist, open places. Sandy soil. Infrequent in NW. Frequent to common elsewhere. All Yes Yes .
Lobelia spicata Lam. . Spiked lobelia . . . . Moist prairies. Common in N & E. Frequent to infrequent elsewhere. All Yes Yes E&R includes 4 varieties in Iowa: var. spicata, var. hirtella Gray, var. campanulata McVaugh, var leptostachya (A. DC.) Mack. & Bush.
Triodanis leptocarpa (Nutt.) Nieuw. . . . . . . Disturbed, sandy areas. Rare [Page County]. SW Yes Yes .
Triodanis perfoliata (L.) Nieuw. . Venus' looking-glass . . . . Open woods. Roadsides. Dry, sandy soil. Common in SE. Infrequent to rare in NW 1/2. NE, NC, NW, C, WC, SE, SW Yes Yes .

The following Cannabaceae are native or naturalized in Iowa.

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 Moraceae . . . . . . . . . . . . .

The following Capparidaceae are native or naturalized in Iowa.

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
Cleome serrulata Pursh . Stinking clover Cleomaceae Peritoma serrulata (Pursh) DC. . Loess Hills. Dry soil. Roadsides. Rare. Persisting only in NW. NW Yes Yes FNA (7:207)
Polanisia dodecandra (L.) DC ssp. dodecandra Clammy weed Cleomaceae . . . Dry, open, sandy or gravelly soil. Loess. Frequent to common in NC, SE, & SC. Infrequent elsewhere. All Yes Yes E&R include ssp. dodecandra & ssp. trachysperma (T&G) Iltis. FNA (7:202) includes both ssp. in IA.
Polanisia dodecandra (L.) DC ssp. trachysperma (T&G) Iltis Clammy weed Cleomaceae . . . Dry, open, sandy or gravelly soil. Loess. Common in NC. Frequent to infrequent elsewhere. All Yes Yes E&R include ssp. dodecandra & ssp. trachysperma (T&G) Iltis. FNA (7:202) includes both ssp. in IA.
Polanisia jamesii (T&G) Iltis . . Cleomaceae Polanisia jamesii (T&G) Iltis . Disturbed sand dunes. Sandy banks. Bluff tops. Rare in EC [Cedar & Jackson Counties] & in SE [Muscatine County]. EC, SE Yes Yes FNA (7:203)

The following Caprifoliaceae are native or naturalized in Iowa.

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
Diervilla lonicera Miller . Bush honeysuckle . . . . Moist, wooded slopes. Shaded sandstone or limestone ledges. Talus slopes. Common in Paleozoic Plateau. Rare in rest of NE & SE. NE, EC, SE Yes Yes .
Linnaea borealis L. ssp. americana (Forbes) Hulten Twinflower . . . . Algific talus slopes. Rare in NE [Clayton & Winneshiek Counties]. NE Yes Yes .
Lonicera dioica L. var. glaucescens (Rydb.) Butters Wild honeysuckle . . . . Open, wooded, rocky, slopes and bluffs. Common in NC, E, & in Paleozoic Plateau. Frequent in SW. Infrequent to rare elsewhere. All Yes Yes .
Lonicera morrowi Gray . Morrow's honeysuckle . . . . Open, disturbed areas. Rare escapee from cultivation throughout the state. All No No .
Lonicera prolifera (Kirchner) Rehder . Wild honeysuckle . . . . Dry, wooded, rocky slopes. Common in NC & NE. Infrequent to frequent in SE & SC. Rare in SW. NE, NC, SE, SC, SW Yes Yes .
Lonicera sempervirens L. . Trumpet honeysuckle . . . . Roadsides. Waste places. Rare escapee in NE [Delaware County (1891)] & in SC [Mahaska County (late 1800s)]. NE, SC No No .
Lonicera tartarica L. . Tartarian honeysuckle . . . . Dry woods. Woodland edges. Frequent escapee from cultivation. All No No .
Sambucus canadensis L. . Elderberry, common elder . . . . Edges of moist woods. Shorelines. Fencerows. Common throughout. All Yes Yes .
Sambucus racemosa L. ssp. pubens (Michx.) House Red-berried elder . . . . Steep, north-facing, wooded talus slopes. Rare in NE & EC. NE, EC Yes Yes .
Symphoricarpos albus (L.) Blake . Snowberry . . . . Dry limestone. Sandstone ledges or bluffs. Rare in NE [Native in Allamakee County]. Rare escapee from cultivation elsewhere. All Yes Yes .
Symphoricarpos occidentalis Hooker . Wolfberry, buckbrush . . . . Common in NW, NC, & SW. Infrequent to rare elsewhere. . All Yes Yes .
Symphoricarpos orbiculatus Moench . Coralberry, buckbrush . . . . Dry prairies. Dry, disturbed areas. Common in S. Rare to infrequent in N. NE, NC, NW, SE, SC, SW Yes Yes .
Triosteum aurantiacum Bickn. . Horse gentian, feverwort . . . . Upland woods. Infrequent to rare in E 1/2, except common in NE. NE, NC, EC, C, SE, SC Yes Yes E&R includes 2 varieties: var. aurantiacum & var. illinoense (Wieg.) Palmer & Steyerm.
Triosteum perfoliatum L. . Horse gentian, feverwort . . . . Upland woods. Woodland openings. Infrequent in NW. Frequent to common elsewhere. All Yes Yes .
Viburnum dentatum L. . Southern arrowwood . . . . Borders of dry, upland woods. Infrequent in SW 1/4 of state. C, WC, SC, SW Yes Yes .
Viburnum lentago L. . Nannyberry . . . . Upland woods. Frequent to infrequent in S /1/2. Rare in NW. Common elsewhere. All Yes Yes .
Viburnum molle Michx. . Arrowwood . . . . Bluffs. Rocky woods. Rare in SE [Henry, Jefferson, & Van Buren Counties]. Rare in SW [Pottawattamie County]. SE, SW Yes Yes .
Viburnum opulus L. . Guelder-rose . . . . Woodland edges. Rare escapee from cultivation. All No No .
Viburnum prunifolium L. . Black haw . . . . Woodland borders. Rare in C [Poweshiek County], EC [Jackson & Johnson counties], SE [Lee & Van Buren Counties], & SW [Taylor County]. EC, C, SE, SW Yes Yes .
Viburnum rafinesquianum Schultes . Downy arrowwood . . . . Upland woods or rocky, wooded bluffs. Common in NE. Frequent in SE. Infrequent to rare in W 1/2. NE, NC, NW, C, WC, SE, SC, SW Yes Yes E&R includes 2 varieties: var. rafinesquianum & var. affine (Bush) House
Viburnum trilobum Marsh. . Highbush cranberry . . . . Moist, north-facing, wooded slopes. Frequent in Paleozoic Plateau. NE, EC Yes Yes .

The following Caryophyllaceae are native or naturalized in Iowa.

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
. . . . Caryophyllaceae Cerastium brachypodum (Engelm. ex Gray) B. L. Robinson . . . . . . FNA (5:83) segregates Cerastium nutans var. brachypodum of E&R as this taxon.
. . . . Caryophyllaceae Cerastium velutinum Raf. var. velutinum . . . . . FNA (5:91)
. . . . Caryophyllaceae Dianthus deltoides L. ssp. deltoides . . . . . .
. . . . Caryophyllaceae Gypsophila elegans M. Bieberstein . . . . . . .
. . . . Caryophyllaceae Gypsophila paniculata L. . . . . . . .
. . . . Caryophyllaceae Sagina procumbens L. . . . . . . FNA (5:143)
. . . . Caryophyllaceae Silene chalcedonica (L.) Krause . . . . . . According to FNA: "Silene chalcedonica is widely cultivated but rarely escapes and probably does not persist."
. . . . Caryophyllaceae Silene dioica (L.) Clairville . . . . . . FNA (5:181)
. . . . Caryophyllaceae Spergularia salina Presl & Presl . . . . . . FNA (5:22)
Agrostemma githago L. . Corn cockle Caryophyllaceae Agrostemma githago L. var. githago Grain fields. Waste ground. Rare weed in E 2/3 of state [last collected in 1925]. NE, NC, EC, C, SE, SC No No .
Arenaria serpyllifolia L. . Thyme-leaved sandwort Caryophyllaceae Arenaria serpyllifolia L. var. serpyllifolia Disturbed soil or waste ground. Rare in NW [Emmet County (1929)]. NW No No .
Cerastium arvense L. . Field chickweed Caryophyllaceae Cerastium arvense L. ssp. strictum Gaudin Algific talus slopes. Rare in NE [Allamakee, Clayton, Delaware, Dubuque, Fayette, Howard, & Winneshiek Counties] & in EC [Jackson County]. NE, EC Yes Yes .
Cerastium glomeratum Thuill. . Clammy chickweed Caryophyllaceae Cerastium glomeratum Thuill. . Open, sandy alluvium. Thin soil on Sioux Quartzite. Rare in NW [Lyon County] & in E [Buchanan, Cedar, Jones, Linn (1896), Muscatine, & Scott (1895) Counties]. NE, NW, EC, SE No No FNA does not include this plant in Iowa.
Cerastium nutans Raf. . Nodding chickweed Caryophyllaceae Cerastium nutans Raf. var. nutans Wooded slopes. Open, sandy or rocky habitats. Common in SW. Frequent in E. Infrequent in NC & SC. NE, NC, EC, SE, SC, SW Yes Yes E&R include 2 varieties: var. nutans & var. brachypodum Engelm. ex Gray. FNA includes var. nutans in Iowa & segregates var. brachypodum as C. brachypodum (Engelm. ex Gray) B. L. Robinson.
Cerastium vulgatum L. . Mouse-ear chickweed Caryophyllaceae Cerastium fontanum Baumgarten ssp. vulgare (Hartman) Greuter & Burdet Open, moist, disturbed habitats. Frequent in E 1/2 of state. Infrequent in NC. NE, NC, EC, C, SE, SC No No The confusion surrounding the E&R name C. vulgatum L. is discussed in FNA (5:74).
Dianthus armeria L. . Deptford pink Caryophyllaceae Dianthus armeria L. ssp. armeria Disturbed prairies. Waste areas. Infrequent to rare in S 1/2 of state. EC, C, WC, SE, SC, SW No No .
Holosteum umbellatum L. . Jagged chickweed Caryophyllaceae Holosteum umbellatum L. ssp. umbellatum Disturbed, sandy areas. Rare in WC [Woodbury County], NE [Dubuque County], & SE [Des Moines County]. NE, WC, SE No No .
Minuartia michauxii (Fern.) Farw. . Rock sandwort Caryophyllaceae Minuartia michauxii (Fenzl) Farw. . Rock crevices on dry prairie remnants. Limestone bluffs. Rare in NE [Allamakee, Delaware, Dubuque, & Winneshiek (1899) Counties] & in EC [Clinton, Jackson, & Jones Counties]. NE, EC Yes Yes .
Moehringia lateriflora (L.) Fenzl . Sandwort Caryophyllaceae Moehringia lateriflora (L.) Fenzl . Moist, upland woods & slopes. Frequent in Paleozoic Plateau & in Iowan Surface. Infrequent in SE. NE, NC, EC, C, SE Yes Yes .
Myosoton aquaticum (L.) Moench . Giant chickweed Caryophyllaceae Myosoton aquaticum (L.) Moench . Moist, disturbed soil. Rare in NC, NE, & EC. NE, NC, EC No No .
Paronychia canadensis (L.) Wood . Tall forked chickweed Caryophyllaceae Paronychia canadensis (L.) Wood . Woods & openings. Dry, often sandy, uplands. Rare to infrequent in N & in SW. Frequent in SE. NE, NC, NW, SE, SW Yes Yes .
Paronychia fastigiata (Raf.) Fern. . Low forked chickweed Caryophyllaceae Paronychia fastigiata (Raf.) Fern. var. fastigiata Dry, often sandy, upland woods & woodland openings. Infrequent in SE & SC. SE, SC Yes Yes .
Saponaria officinalis L. . Bouncing Bet, soapwort Caryophyllaceae Saponaria officinalis L. . Roadsides. Waste places. Frequent to common throughout. All Yes Yes .
Silene antirrhina L. . Sleepy catchfly Caryophyllaceae Silene antirrhina L. . Sandy soil. Waste ground. Infrequent to frequent in N. Frequent to common in S. NE, NC, NW, SE, SC, SW Yes Yes .
Silene cserei Baumg. . . Caryophyllaceae Silene cserei Baumg. . Weed along railroads. Rare in E 1/2. Rare to infrequent in NW. NE, NC, NW, EC, C, SE, SC No No .
Silene dichotoma Ehrh. . Catchfly Caryophyllaceae Silene dichotoma Ehrh. ssp. dichotoma Upland prairies. Waste places. Frequent in NC. Rare in S 1/2 of state. NC, EC, C, WC, SE, SC, SW No No .
Silene nivea (Nutt.) Otth . . Caryophyllaceae Silene nivea (Nutt.) Muhl. ex Otth . Moist woods. Open, grassy places. Infrequent in Paleozoic Plateau. Rare elsewhere. All Yes Yes .
Silene noctiflora L. . Night-flowering catchfly Caryophyllaceae Silene noctiflora L. . Disturbed soil. Roadsides. Waste ground. Infrequent escapee from cultivation throughout the state. Common in some areas. All No No .
Silene pratensis (Raf.) Gren. & Gordon . White campion Caryophyllaceae Silene latifolia Poiret . Disturbed, open places. Prairies. Infrequent in SC & SW. Frequent to common elsewhere. All No No .
Silene stellata (L.) Aiton f. . Starry campion Caryophyllaceae Silene stellata (L.) Aiton f. . Upland woods. Shores. Moist prairies. Common in NW & NC. Frequent in S. Rare in NE. NE, NC, NW, SE, SC, SW Yes Yes .
Silene virginica L. . Firepink Caryophyllaceae Silene virginica L. . Escapes from cultivation to roadsides. Rare in NE [Black Hawk (1949)] & in C [Boone County (1989)]. All Yes No .
Silene vulgaris (Moench) Garcke . Bladder campion Caryophyllaceae Silene vulgaris (Moench) Garcke . Disturbed soil. Waste ground. Frequent in NC. Rare in SC. NC, SC No No .
Stellaria graminea L. . Common stitchwort Caryophyllaceae Stellaria graminea L. . Moist, disturbed ground. Rare in C [Hardin & Poweshiek Counties], NW [Emmet County (1923)], & E [Allamakee, Jefferson (1935), Johnson, & Louisa Counties]. NE, NW, EC, C, SE No No .
Stellaria longifolia Muhl. ex Willd. . Stitchwort Caryophyllaceae Stellaria longifolia Muhl. ex Willd. . Sedge meadows. Marsh edges. Moist woods. Fens. Infrequent in NC & SC. Rare in NE & SE. NE, NC, SE, SC Yes Yes .
Stellaria media (L.) Vill. . Common chickweed Caryophyllaceae Stellaria media (L.) Vill. . Open woods. Disturbed ground. Waste places. Rare in NE. Common elsewhere. All Yes Yes .
Vaccaria pyramidata Medicus . Cowherb, cow cockle Caryophyllaceae Vaccaria hispanica (Miller) Rauschert . Roadsides. Fields. Infrequent in SW. Rare in NC. NC, SW No No .

The following Celastraceae are native or naturalized in Iowa.

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
Celastrus orbiculatus Thunb. . Round-leaved bittersweet . . . . Open woods. Thickets. Rare escapee in NE [Delaware County] & SC [Mahaska County]. NE, SC No No See noxious weed information at "http://plants.usda.gov/java/profile?symbol=CEOR7".
Celastrus scandens L. . Bittersweet . . . . Woodland edges. Woodland openings. Fencerows. Infrequent in NW. Common elsewhere. All Yes Yes .
Euonymus alatus (Thunb.) Sieb. . Winged wahoo, burning bush . . . . Woodlands. Rare in C [Webster County], EC [Linn County], & WC [Woodbury County]. EC, C, WC No No .
Euonymus atropurpureus Jacq. . Wahoo, burning bush . . . . Moist woods. Infrequent in W. Rare in NE. Frequent elsewhere. All Yes Yes .

The following Ceratophyllaceae are native or naturalized in Iowa.

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
. . . . Ceratophyllaceae Ceratophyllum echinatum A. Gray . . . . . . .
Ceratophyllum demersum L. . Coontail, hortwort Ceratophyllaceae Ceratophyllum demersum L. . Shallow water of lakes. Ponds. Frequent in S & in lakes area. Rare to infrequent in N. NE, NC, NW, SE, SC, SW Yes Yes .

The following Chenopodiaceae are native or naturalized in Iowa.

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
. . . . Chenopodiaceae Atriplex dioica Raf. . . . . . . .
. . . . Chenopodiaceae Atriplex hortensis L. . . . . . . .
. . . . Chenopodiaceae Atriplex prostrata Boucher ex DC. . . . . . . .
. . . . Chenopodiaceae Chenopodium pallescens Standley . . . . . . FNA [4:289]: Mapped distribution includes this plant in IA. Descriptive distribution omits it from IA.
. . . . Chenopodiaceae Chenopodium subglabrum (Watson) A. Nelson . . . . . . .
. . . . Chenopodiaceae Salicornia rubra A. Nelson . . . . . . .
. . . . Chenopodiaceae Sueda calcioliformis (Hooker) Moquin-Tandon . . . . . . .
Atriplex patula L. . Spearscale, common orach Chenopodiaceae Atriplex patula L. . Often sandy, disturbed areas. Infrequent to rare in NW, E, & S 1/2 of state. NE, NW, EC, C, WC, SE, SC, SW Yes Yes E&R includes 2 varieties: var. patula & var. hastata (L.) Gray. FNA includes only the typical variety.
Atriplex rosea L. . Red orach Chenopodiaceae Atriplex rosea L. . Waste places. Roadsides. Rare in C [Polk County (1911)], NW [Emmet (1932) & Sioux (1931) Counties], & SW [Cass County (1927)]. NW, C, SW No No FNA does not include this plant in Iowa.
Chenopodium album L. . Lamb's quarters Chenopodiaceae Chenopodium album L. . Disturbed soil. Fields. Waste ground. Frequent in the Paleozoic Plateau. Common elsewhere. All No No E&R includes 2 varieties: var. album & var. lanceolatum (Muhl.) Cosson & Germ.
Chenopodium ambrosioides L. . Mexican tea Chenopodiaceae Dysphania ambrosoides (L.) Mosyakin & Clemants . Disturbed soil. Waste ground. Rare in S 1/2 of state & in NC. NC, EC, C, WC, SE, SC, SW No No .
Chenopodium berlandieri Moq. . Pigweed Chenopodiaceae Chenopodium berlandieri Moq. var. zschackei (Murr) Murr Prairie remnants. Disturbed, open areas. Common in NC. Rare in EC [Johnson County] & SE [Henry County]. NC, EC, SE Yes Yes E&R includes 2 vars.: var. berlandieri & var. zschackei (Murr) Murr. FNA includes 2 vars.: var. bushianum (Aellen) Cronq. [= Chenopodium bushianum Aellen of E&R (an introduced taxon)] & var. zschackei (Murr) Murr.
Chenopodium botrys L. . Jerusalem oak Chenopodiaceae Dysphania botrys (L.) Mosyakin & Clemants . Disturbed soil. Waste ground. Infrequent in C. Rare in NE & SE. NE, C, SE No No .
Chenopodium bushianum Aellen . . Chenopodiaceae Chenopodium berlandieri Moquin-Tandon var. bushianum (Aellen) Cronq. Wet, disturbed areas. Common in NC. Rare in extreme E. NE, NC, EC, SE No No See comments under Chenopodium berlandieri.
Chenopodium capitatum (L.) Ascherson . Strawberry blite Chenopodiaceae Chenopodium capitatum (L.) Ambrosi var. capitatum Freshly disturbed ground. Rare in NE [Allamakee County (1939)] & in EC [Johnson County (1907)]. NE, EC No No .
Chenopodium desiccatum A. Nelson . Narrow-leaved goosefoot Chenopodiaceae Chenopodium pratericola Rydb. . Open, dry, sandy soil. Roadsides. Grazed woods. Frequent in S 1/2. Infrequent in NW & NE. Rare in NC. All Yes Yes FNA [ 4: 288] does not include C. dessicatum of E&R in IA. C. desiccatum of E&R = C. leptophyllum (Moq.) Nutt. ex S. Watson var. oblongifolium S. Watson. C. pratericola = C. desiccatum A. Nelson var. leptophylloides (Murr)Wahl
Chenopodium foggii H. A. Wahl . . Chenopodiaceae Chenopodium foggii H. A. Wahl . Floodplain forest. Rare in C [Story County (1907)], EC [Iowa County (1928)], & SE [Des Moines County]. EC, C, SE Yes Yes FNA [vol. 4, p. 288] does not include this plant in Iowa.
Chenopodium glaucum L. . . Chenopodiaceae Chenopodium glaucum L. var. salinum (Standley) Boivin Disturbed soil. Waste places. Rare in WC, NC, EC, SE, & SW. NC, EC, WC, SE, SW No No FNA includes only the above var. in Iowa, but var. glaucum is reported from all states surrounding Iowa.
Chenopodium hybridum L. . Maple-leaved goosefoot Chenopodiaceae Chenopodium simplex (Torrey) Raf. . Disturbed woods. Waste places. Frequent in SW. Infrequent in NE. Rare in NW (Dickinson County). NE, NW, SE Yes Yes From FNA [4:285]: C. simplex (Torrey) Raf. = Chenopodium hybridum L. var. simplex Torr. W/in the C. simplex discussion: "A closely related Eurasion diploid species, Chenopodium hybridum Linnaeus, probably also occurs in North America as introduced."
Chenopodium missouriensis Aellen . . Chenopodiaceae . . . Waste areas. Rare in C [Story & Tama Counties] & SE [Lee & Louisa Counties]. C, SE Yes Yes From FNA [vol. 4, p. 299]: "Chenopodium missouriense Aellen: a confusing taxon because of its mixed typification. It appears to be a native form of C. album that flowers in mid September regardless of when it germinated."
Chenopodium murale L. . . Chenopodiaceae Chenopodium murale L. . Waste ground. Rare in NW, NC, & SE. NC, NW, SE No No FNA [4:287]: Mapped distribution includes IA, but descriptive distribution omits IA
Chenopodium polyspermum L. . Many-seeded goosefoot Chenopodiaceae Chenopodium polyspermum L. . Waste ground. Rare weed in NW [Emmet County] & in EC [Johnson County (1902)]. NW, EC No No FNA does not include this plant in Iowa
Chenopodium rubrum L. . Coast blite Chenopodiaceae Chenopodium rubrum L. var. rubrum Sandy or muddy shores. Rare in NW [Clay (1936), Dickinson, Emmet (1922), & Palo Alto (1935) Counties]. NW Yes Yes .
Chenopodium standleyanum Aellen . Woodland goosefoot Chenopodiaceae Chenopodium standleyanum Aellen . Moist woods. Moist, open, sandy soil. Frequent in NC, SE, & SC. Infrequent in NW & NE. NE, NC, NW, SE, SC Yes Yes .
Chenopodium strictum Roth var. glaucophyllum (Aellen) H. A. Wal . Chenopodiaceae Chenopodium strictum Roth . Waste ground. Common in NC. NC No No .
Chenopodium urbicum L. . . Chenopodiaceae Chenopodium urbicum L. . Waste places. Wooded, rocky bluffs. Rare weed throughout the state. All No No .
Corispermum nitidum Kit. ex Schultes . . Chenopodiaceae Corispermum nitidum Kit. ex Schultes . Sandy alluvium along Missouri River. Rare in WC [Harrison County (1952)]. WC No No From FNA [volume 4, pp. 320 & 321] - N. American specimens identified as Corispermum nitidum are probably C. americanum or hybrids of the two. S. Mosyakin writes "I have not seen any unquestionably reliable specimens of C. nitidum sensu stricto from Nort
Cycloloma atriplicifolium (Sprengel) Coulter . Winged pigweed Chenopodiaceae Cycloloma atriplicifolium (Sprengel) Coulter . Open, dry, sandy soil. Frequent to common in SE. Infrequent in extreme E & in SC. Rare elsewhere. All Yes Yes .
Kochia scoparia (L.) Schrader . Summer cypress Chenopodiaceae Kochia scoparia (L.) Schrader . Dry, sandy soil. Waste ground. Common in NC & in SW. Rare in E 1/2. Infrequent elsewhere. All No No .
Monolepis nuttalliana (Roemer & Schultes)Greene . . Chenopodiaceae Monolepis nuttalliana (Roemer & Schultes)Greene . Disturbed urban area. Rare in SW [Page County] & in C [Story County (1917)]. C, SW Yes No FNA does not include this plant in Iowa.
Salsola collina Pallas . . Chenopodiaceae Salsola collina Pallas . Disturbed ground along railroad. Rare in C [Story County]. C No No .
Salsola iberica Sennen & Pau . Russian thistle Chenopodiaceae Salsola tragus L. . Sandy shores. Roadsides. Field edges. Waste ground. Common in NC & in extreme W. Rare to infrequent elsewhere. All No No .

The following Cistaceae are native or naturalized in Iowa.

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
Helianthemum bicknellii Fern. . Rockrose . . . . Sandy, upland prairies. Woodland openings. Frequent to common in S 1/2 & in NE. Infrequent in NC & in lakes area. All Yes Yes .
Helianthemum canadense (L.) Michx. . . . . . . Sandy prairies. Open woods. Common in NE. Frequent in SW. Rare in SE. NE, SE, SW Yes Yes .
Hudsonia tomentosa Nutt. . False heather . . . . Disturbed sand dunes. Rare in EC [Jackson County]. EC Yes Yes .
Lechea intermedia Leggett . . . . . . Dry, sandy prairies. Sandy, upland woods. Open sandstone ledges. Rare in WC [Guthrie County], EC [Benton County], & NE [Allamakee, Dubuque, & Winneshiek Counties]. NE, EC, WC Yes Yes .
Lechea racemulosa Michx. . . . . . . Dry soil. Rare: Old collection in C [Webster County - no date]. C Yes Yes .
Lechea stricta Leggett . . . . . . Sandy prairie remnants. Wooded sandstone bluffs. Frequent to infrequent in NE. Rare elsewhere. All Yes Yes .
Lechea tenuifolia Michx. . Slender-leaved pinweed . . . . Open, dry, sandy areas. Open, sandy woods. Infrequent in SC and SE. Rare in NC & in NE. NE, NC, SE, SC Yes Yes .
Lechea villosa Ell. . Hairy pinweed . . . . Prairie openings. Upland, dry, sandy woods. Rare in E [Jefferson (1946), Jones, Lee (1923), & Winneshiek (1932) Counties]. NE, EC, SE Yes Yes .

The following Cleomaceae are native or naturalized in Iowa.

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
. . . Pink-queen Cleomaceae Tarenaya hassleriana (Chodat) Iltis . . . . No No E&R does not list this plant in IA. FNA [7:219]: "Tarenaya hassleriana is native to Argentina, Brazil, and Paraguay. It is often cultivated and has sometimes escaped and naturalized."
Also see Capparidaceae above . . . . . . . . . . . . .

The following Convolvulaceae are native or naturalized in Iowa.

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
Calystegia sepium (L.) R. Br. . Morning glory, bindweed . . . . Roadsides. Fencerows. Railroad ballast. Woodland edges. Common throughout. All Yes Yes E&R includes 3 varieties: var. sepium, var. americana (Sims) matsuda, var. fraterniflora (Mack. & Bush) Shinners.
Calystegia spithamaea (L.) Pursh . Low bindweed . . . . Dry, sandy or rocky, upland woods. Rare in E. NE, EC, SE Yes Yes .
Convolvulus arvensis L. . Creeping Jenny, European bindweed . . . . Fields. Roadsides. Rare in SE. Frequent to common elsewhere. All No No .
Cuscuta cephalanthii Engelm. . Dodder . . . . Parasitic on Salix, Solidago, Aster, & Ribes. Infrequent to rare throughout the state, except not reported from SW. NE, NC, NW, EC, C, WC, SE, SC Yes Yes .
Cuscuta coryli Engelm. . Dodder . . . . Moist woods. Moist thickets. Infrequent in C & NC. NC, C Yes Yes .
Cuscuta cuspidata Engelm. . Dodder . . . . Alluvial woods. Moist habitats. Infrequent to rare throughout the state. All Yes Yes .
Cuscuta glomerata Choisy . Dodder . . . . Along roads. Disturbed borders of woods. Common in NC. Infrequent in SE. Infrequent to rare in W 1/2. NC, NW, C, WC, SE, SC, SW Yes Yes .
Cuscuta gronovii Willd. . Dodder . . . . Aluvial woods. Moist habitats. Infrequent to rare in E 2/3 of the state. Rare in NW [Dickinson, Emmet, & Lyon Counties]. NE, NC, NW, EC, C, SE, SC Yes Yes .
Cuscuta indecora Choisy . Dodder . . . . Cultivated fields. Sandy shores. Rare in W [Harrison, Lyon, & Pottawattamie Counties] & EC [Clinton & Linn Counties]. NW, EC, WC, SW Yes Yes .
Cuscuta pentagona Engelm. . Dodder . . . . Moist, disturbed areas. Infrequent in NC. Rare in C [Boone & Dallas (1919) Counties], NW [Lyon County (1896)], SE [Lee County (1925)], & SC [Mahaska County]. NC, NW, C, SE, SW Yes Yes .
Cuscuta polygonorum Engelm. . Dodder . . . . Moist habitats. Parasitic on Polygonum. Infrequent in SE. Rare elsewhere. All Yes Yes .
Ipomoea coccinea L. . Red morning glory . . . . Waste areas. Rare escapee from cultivation. All No No .
Ipomoea hederacea (L.) Jacq. . . . . . . Cultivated fields. Along railroads. Frequent in SW. Infrequent to rare elsewhere. All No No .
Ipomoea lacunosa L. . . . . . . Wooded allluvium. Rare in SW [Fremont & Page Counties]. Rare in SE [Des Moines & Muscatine (1891) Counties]. SE, SW Yes Yes .
Ipomoea pandurata (L.) G. F. W. Meyer . Wild sweet potato . . . . Woods. Woodland borders. Frequent in SE. Rare in NW [Lyon County (1896)], NE [Clayton (1920), & Winneshiek Counties], EC [Johnson (1933) & Linn (1902) Counties], & SC [Decatur County (1898)]. NE, NW, EC, SE, SC Yes Yes .
Ipomoea purpurea (L.) Roth . Annual morning glory . . . . Roadsides. Edes of fields. Disturbed soil. Frequent in NC & in SC. Infrequent to rare elsewhere. All No No .
Stylisma pickeringii (Torrey ex M. A. Curtis) Gray var. pattersonii (Fern. & Schub.) Myint . . . . . Sandy soil. Rare in SE [Muscatine County]. SE Yes Yes .

The following Cornaceae are native or naturalized in Iowa.

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
Cornus alternifolia L. f. . Alternate-leaved dogwood, pagoda dogwood . . . . Moist, upland woods. Frequent to common in NE 2/3 of the state. Rare in the S. Absent from NW & SW. NE, NC, EC, C, WC, SE, SC Yes Yes .
Cornus amomum P. Miller ssp. obliqua (Raf.) J. S. Wilson Silky dogwood . . . . Wet thickets. Low woods. Wet prairies. Common in NE 1/4 of the Iowa. Infrequent throughout most of the state. All Yes Yes .
Cornus canadensis L. . Bunchberry, dwarf cornel . . . . Algific talus slopes. Moist, sandstone outcrops. Rare in NE [Allamakee, Clayton, Delaware, & Winneshiek Counties]. NE Yes Yes .
Cornus drummondii C. A. Meyer . Rough-leaved dogwood . . . . Moist woods. Along wooded streams. Woodland borders. Frequent to common throughtout most of the state. Rare in the Paleozoic Plateau & extreme N. All Yes Yes .
Cornus foemina P. Miller ssp. racemosa (Lam.) J. S. Wilson Gray dogwood . . . . Upland woods. Common throughout most of the state. Rare in NW. All Yes Yes .
Cornus rugosa Lam. . Speckled dogwood, round-leaved dogwood . . . . Rich, upland woods. North-facing, wooded slopes. Common in Paleozoic Plateau. Infrequent to rare elsewhere. All Yes Yes .
Cornus stolonifera Michx. . Red-osier dogwood . . . . Shores. Lake & pond margins. Fens. Rare in northern tier of counties. Absent or rare escapee from cultivation elsewhere. All Yes Yes .

The following Crassulaceae are native or naturalized in Iowa.

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
. . . . Crassulaceae Hylotelephium telephium (L.) Ohba . . . . No No E&R do not include this taxon in Iowa. FNA [8:163]
. . . . Crassulaceae Phedimus aizoon (L.) 't Hart . . . . No No E&R do not include this taxon in Iowa. FNA [8:223]
. . . . Crassulaceae Sedum sarmentosum Bunge . . . . No No E&R do not include this taxon in Iowa. FNA [8:203]
Sedum acre L. . Mossy stonecrop Crassulaceae Sedum acre L. . Sandy river terrace. Rare in NE [Dubuque County]. NE No No .
Sedum ternatum Michx. . Wild stonecrop Crassulaceae Sedum ternatum Michx. . Moist, wooded ravines near rivers. Rare in EC [Cedar County (1950)]. EC Yes Yes .

The following Cruciferae are native or naturalized in Iowa.

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 Brassicaceae . . . Brassicaceae . . . . . . . . .

The following Cucurbitaceae are native or naturalized in Iowa.

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
Cucurbita foetidissima HBK. . Missouri gourd . . . . Railroad embankments. Railroad ballast. Rare in S 1/2 of Iowa. EC, C, WC, SE, SC, SW Yes Yes .
Echinocystis lobata T&G . Wild balsam apple, wild cucumber . . . . Low, moist woods. Frequent in NW. Infrequent to rare elsewhere. All Yes Yes .
Sicyos angulatus L. . Bur-cucumber . . . . Alluvial woods. Shorelines. Moist roadsides. Frequent in SE and E. Infrequent to rare in W 2/3 of the state. All Yes Yes .

In this category a total of 160 dicots were recorded from the state of Iowa.

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