163 results for family: Rubiaceae. More search options

Family	Scientific Name	Common Name	Habitat	Distribution	Image
Rubiaceae	Borreria
Rubiaceae	Borreria dasycephala	Carretilla	Disturbed areas.	Native of Brazil.
Rubiaceae	Borreria densiflora	Bouquet Buttonweed	Disturbed areas.	Native of the Neotropics.
Rubiaceae	Borreria latifolia	Winged Buttonweed	Disturbed pine flatwoods, pastures.	Native of the Neotropics.
Rubiaceae	Borreria tenella		Reported for Pensacola, Escambia County, FL by Small (1933); presumably merely a ballast waif.
Rubiaceae	Borreria terminalis	Everglades Buttonweed	Pine rocklands.	Endemic to s. FL peninsula (Miami-Dade and Monroe counties).
Rubiaceae	Borreria verticillata	Shrubby Buttonweed, Bóton Blanco, Yerba de Garro	Disturbed areas.	Native of Neotropics. The native distribution of this widespread and weedy neotropical species is difficult to determine.
Rubiaceae	Casasia	Seven-Year-Apple
Rubiaceae	Casasia clusiifolia	Seven-year-apple	Coastal hammocks.	S. FL; West Indies.
Rubiaceae	Catesbya
Rubiaceae	Catesbya parviflora	Small-flowered Lilythorn	Pinelands, pine rocklands, coastal berms, hammocks in the Monroe County (FL) keys.	S. FL (Monroe County keys); West Indies.
Rubiaceae	Cephalanthus	Buttonbush
Rubiaceae	Cephalanthus occidentalis	Buttonbush, Honeyballs, Globe-flowers	Streambanks, riverbanks, depressional wetlands, lakes, marshes, often in standing water.	NL, ME, ON, MI, WI, MN, NE, NM, AZ, and CA south through Mexico to Guatemala and Honduras; Cuba (where uncertainly native).
Rubiaceae	Cephalanthus salicifolius	Mexican Buttonbush	Wet areas.	S. TX south to sc. Mexico.
Rubiaceae	Chiococca	Snowberry, Milkberry
Rubiaceae	Chiococca alba	Snowberry, Milkberry, Pissabed, Perlilla, Canica	Coastal hammocks, shell middens, hammock edges and adjacent habitats.	N. FL (St. Johns and Dixie counties) south to s. FL; West Indies (including Bahamas and Bermuda); s. TX south through Mexico to Central America.
Rubiaceae	Chiococca parvifolia	Pineland Snowberry	Coastal berms and grasslands, rockland hammocks, pine rocklands, shell middens.	S. FL; West Indies.
Rubiaceae	Chiococca pinetorum	Rockland Snowberry	Pine rocklands.	S. FL and nw. Bahamas.
Rubiaceae	Coccocypselum
Rubiaceae	Coccocypselum hirsutum	Yerba de Guava	Disturbed mesic pine flatwoods.	Native of West Indies, Mexico, and Central America.
Rubiaceae	Dentella
Rubiaceae	Dentella repens	Lickstoop	Waif on ore piles.
Rubiaceae	Diodia
Rubiaceae	Diodia harperi	Harper's Buttonweed	Pondshores, other moist sites.	E. NC south to s. peninsular FL, west to e. TX and AR.
Rubiaceae	Diodia virginiana	Large Buttonweed	Ditches, wet fields, wet swales along highways, other moist to wet habitats.	CT, PA, IL, and KS south to FL and TX; West Indies; Mexico (YUC) and Central America.
Rubiaceae	Edrastima	Oldenlandia
Rubiaceae	Edrastima uniflora	Oldenlandia	Pondshores, muddy drawdown shores, moist to wet ecotones of Coastal Plain streamheads, other moist to wet places.	Mostly a species of the Southeastern Coastal Plain: NY (Long Island) south to s. FL and west to TX, north in the interior to MO. Alleged by some to be non-native, and of African origin (Ward 2012a). Discovered in PA Coastal Plain in 2009 (S. Grund, pers.comm., 2019).
Rubiaceae	Erithalis
Rubiaceae	Erithalis fruticosa	Blacktorch	Coastal hammocks and dunes.	S. FL; West Indies; s. Mexico (CAM, ROO, VER, YUC), Central America and n. South America.
Rubiaceae	Ernodea	Beach-creeper, Golden Creeper, Coughbush
Rubiaceae	Ernodea cokeri	Coker's Creeper, Coker's Ernodea	Pine rocklands.	S. FL; n. Bahamas.
Rubiaceae	Ernodea littoralis	Beach-creeper, Coughbush, Golden Creeper	Beach dunes, coastal grasslands, coastal strands, disturbed uplands, pine rocklands.	S. FL; Bahamas; West Indies; Mexico (CAM, ROO, VER, YUC), Central America, and n. South America (Colombia).
Rubiaceae	Exostema	Persoon) Bonpland
Rubiaceae	Exostema caribaeum	Caribbean Princewood	Rockland hammocks.	S. FL; West Indies; Mexico and Central America.
Rubiaceae	Galium	Bedstraw, Cleavers, Woodruff
Rubiaceae	Galium album		Moist roadsides, disturbed areas.	Native of Europe. Reported from ne. United States, and very possibly in our area, but hidden under a broad interpretation of G. mollugo.
Rubiaceae	Galium anglicum		Pastures, disturbed areas.	Native of w. Europe.
Rubiaceae	Galium aparine	Cleavers, Sticky-willy	Meadows, thickets, disturbed areas, forests.	Nearly cosmopolitan, from n. North America south through Central and South America.
Rubiaceae	Galium arkansanum var. arkansanum	Hairy-flower Arkansas Bedstraw	{habitats}	Endemic to the Interior Highlands of s. MO, AR, and e. OK.
Rubiaceae	Galium arkansanum var. pubiflorum	Hairy-flower Arkansas Bedstraw	Novaculite woodlands in the Ozarks; also potentially along adjacent glades and ridges.	Endemic to the Ouachita Mountains of AR.
Rubiaceae	Galium arvense	Blue Woodruff, Field Madder	Disturbed areas.	Native of Europe. South to WV, MD, DE (USDA NRCS 2007), and se. PA (Rhoads & Klein 1993).
Rubiaceae	Galium asprellum	Rough Bedstraw	Fens, bogs, streambanks, wet meadows, usually in at least somewhat base-rich soils.	NL (Newfoundland) west to MN, south to n. VA, w. NC, ne. TN (Chester, Wofford, & Kral 1997), and MO (Yatskievych 2013). The report for sc. TN is an error (D. Estes, pers. comm., 2005).
Rubiaceae	Galium bermudense	Coastal Bedstraw	Maritime forests, longleaf pine sandhills, dry sandy forests.	S. NJ south to FL, west to LA, primarily on the Coastal Plain; Bahamas; Bermuda.
Rubiaceae	Galium boreale	Northern Bedstraw	Limestone and dolostone bluffs, outcrops, and rocky woodlands, calcareous or ultramafic (serpentine) barrens.	Circumboreal, south in North America to n. DE, w. MD, sw. VA, sc. MO, NM, AZ, and CA.
Rubiaceae	Galium circaezans	Forest Bedstraw, Licorice Bedstraw	Mesic to dry forests.	QC west to MN and NE, south to FL and TX.
Rubiaceae	Galium concinnum	Shining Bedstraw	Mesic to dry forests.	NJ west to MN and NE, south to sw. VA, e. TN, nc. TN, AR, and MS (where first reported by J. Kees, pers.comm. 2022).
Rubiaceae	Galium cruciata	Smooth Bedstraw, Common Crosswort	Disturbed areas.	Native of Europe.
Rubiaceae	Galium divaricatum	Lamarck’s Bedstraw, Wall Bedstraw	Disturbed areas.	Native of s. Europe.
Rubiaceae	Galium glaucum	Waxy Bedstraw	Disturbed areas.	Native of Eurasia.
Rubiaceae	Galium labradoricum	Labrador Bedstraw	Bogs, swamps.	NL west to NT, south to n. NJ, sc. PA, ne. OH, MI, , n. IN, n. IL, n. IA, e. SD, SK, AB, and BC.
Rubiaceae	Galium lanceolatum	Lanceleaf Bedstraw, Wild-licorice	Mesic to dry hardwood forests.	QC west to MN, south to w. NC and e. TN.
Rubiaceae	Galium latifolium	Purple Bedstraw, Wideleaf Bedstraw	Moist hardwood forests.	C. PA and KY south to n. GA and n. AL, a Southern and Central Appalachian endemic.
Rubiaceae	Galium mollugo	Smooth Bedstraw, Hedge Bedstraw	Moist roadsides, disturbed areas.	Native of Europe.
Rubiaceae	Galium obtusum var. filifolium	Carolina Bedstraw	Marshes, swamps, creekbanks, alluvial forests.	S. NJ south to c. GA, primarily on the Coastal Plain.
Rubiaceae	Galium obtusum var. obtusum	Bluntleaf Bedstraw	Marshes, swamps.	NS west to SD, south to FL and TX.
Rubiaceae	Galium odoratum	Sweet Woodruff, Waldmeister	Commonly cultivated, rarely escaped or persistent, rarely along railroad tracks.	Native of Europe.
Rubiaceae	Galium orizabense ssp. laevicaule	Bald Bedstraw, Smoothstem Bedstraw	Mesic forests, maritime forests, swamp edges.	Se. VA south to FL, west to se. TX; West Indies.
Rubiaceae	Galium palustre	Marsh Bedstraw	Marshes, wet soil.	NL (Labrador) and ON south to MD, s. PA (Rhoads & Klein 1993), MD, WV, OH, IN, and IL; also in Europe and nw. North America.
Rubiaceae	Galium parisiense	Wall Bedstraw	Disturbed areas.	Native of s., w., and c. Europe.
Rubiaceae	Galium pedemontanum	Piedmont Bedstraw, Piedmont Crosswort	Lawns, grassy roadsides, pastures.	Native of s. Europe. In GA Mountains and Piedmont (T. Govus, pers. comm. 2005). Reported for DE and MD by Longbottom, Naczi, & Knapp (2016).
Rubiaceae	Galium pilosum	Hairy Bedstraw	Forests, woodland borders, longleaf pine sandhills, prairies, coastal prairies, clearings.	S. NH west to MI, n. IL, MO, and KS, south to c. peninsular FL and TX.
Rubiaceae	Galium proliferum	Limestone Bedstraw	Limestone slopes.	C. and s. TX west to s. CA, south to n. Mexico (CHH, COA, NLE, SLP, SON, TAM).
Rubiaceae	Galium rubioides	European Bedstraw	Persisting and apparently spreading from cultivation.	Native of Eurasia.
Rubiaceae	Galium sherardia	Blue Field-madder	Lawns, roadsides, other disturbed areas.	Native of Europe.
Rubiaceae	Galium texense	Texas Bedstraw	Gravelly limestone slopes.	W. AR and OK south to s. TX.
Rubiaceae	Galium tinctorium var. floridanum	Florida Three-lobed Bedstraw, Stiff Marsh Bedstraw	Swamps, marshes, and ditches.	MA south to FL, west to e. TX, mostly on the Coastal Plain, but extending inland to w. VA, w. NC, se. KY, s. IL, and se. MO.
Rubiaceae	Galium tinctorium var. tinctorium	Southern Three-lobed Bedstraw, Stiff Marsh Bedstraw	Swamps, marshes, and ditches.	NL (Newfoundland) west to MN and NE, south to SC, n. GA, KY, and ne. MO.
Rubiaceae	Galium tricornutum	Small Bedstraw	Disturbed areas.	Native of Europe. This species has been reported from Cherokee and Greenwood counties, SC, nearby GA, and se. PA (Rhoads & Klein 1993).
Rubiaceae	Galium trifidum var. trifidum	Northern Three-lobed Bedstraw	Moist places, bogs, and swamps.	Circumboreal, south in North America to DE, PA, NJ, s. OH, s. IN, IL, IA, NE, CO, n. UT, and WA.
Rubiaceae	Galium triflorum	Sweet-scented Bedstraw	Mesic to dry upland forests, floodplain forests, seepage swamps, old fields, disturbed areas, usually on base-rich soils.	Circumboreal, south in North America to FL and Mexico (TAM, VER).
Rubiaceae	Galium uniflorum	One-flowered Bedstraw	Moist slope forests and alluvial forests.	Se. VA south to FL, west to AR and e. TX.
Rubiaceae	Galium verum	Yellow Bedstraw, Our Lady's Bedstraw	Meadows, pastures, roadsides.	Native of Europe.
Rubiaceae	Galium virgatum	Ozark Bedstraw	Glades, ledgetops, rocky prairies, open blackland prairies (GA), waif around wool-combing mill (SC), other disturbed areas.	Native from TN, c. GA (Houston County), and AL west to KS, OK, and TX (not listed for Mexico in Villaseñor 2016).
Rubiaceae	Galium wirtgenii	Yellow Bedstraw	Disturbed areas.	Native of Eurasia.
Rubiaceae	Gardenia	Gardenia
Rubiaceae	Gardenia jasminoides	Gardenia	Persistent from horticultural plantings, perhaps spreading (H. Horne, pers. comm., 2014).	Native of China and Japan.
Rubiaceae	Guettarda	Velvetseed
Rubiaceae	Guettarda elliptica	Hammock Velvetseed, Common Velvetseed	Hammocks, pinelands.	S. FL; West Indies; Mexico, Central America, and n. South America (Colombia).
Rubiaceae	Guettarda scabra	Rough Velvetseed	Hammocks, pinelands.	S. FL; West Indies; n. South America.
Rubiaceae	Hamelia	Firebush
Rubiaceae	Hamelia patens var. glabra	Mexican Firebush, African Firebush	Suburban woodlands, disturbed areas.	Native of Central America and n. South America.
Rubiaceae	Hamelia patens var. patens	Firebush	Maritime hammocks, mesic hammocks, rockland hammocks, marl prairies, pine rocklands, floodplain forests, strand swamps, disturbed upland areas.	S. FL; West Indies; n. Mexico south through Central America to c. South America.
Rubiaceae	Hexasepalum
Rubiaceae	Hexasepalum radula		Chrome ore piles and ballast, a waif.	Native of South America.
Rubiaceae	Hexasepalum teres	Poorjoe	Dunes, sandy roadsides, glades, hardpans, other dry habitats.	MA, NY and WI, south to FL, TX, and CA, south through Mexico and Central America.
Rubiaceae	Houstonia	Bluet, Diamond-flower
Rubiaceae	Houstonia caerulea	Quaker Ladies, Innocence, Common Bluet, Pissabed	Forests, woodlands, openings, lawns, a wide variety of disturbed sites.	ME, ON, and WI south to s. GA, s. AL, w. LA, and OK.
Rubiaceae	Houstonia canadensis	Canada Bluet	Dry limestone barrens (sometimes locally abundant in shallow soils over limestone), limestone woodlands and outcrops.	ME and s. ON west to MI and n. IL, south to sw. VA, se. and c. TN, nw. GA, w. TN, and se. MO (J. Thomas, pers. comm., 2016).
Rubiaceae	Houstonia croftiae	Croft's Bluet	Sandy open areas, sparsely vegetated areas in grasslands or among shrubs.	Endemic to s. TX (Duval, Hidalgo, Jim Wells, Refugio, San Patricio, Starr, Webb, and Zapata counties).
Rubiaceae	Houstonia floridana	Rockland Bluet	Pine rocklands, marl prairies.	S. FL (Miami-Dade and Monroe counties); n. Bahamas.
Rubiaceae	Houstonia humifusa	Mat Bluets	Sandy prairies, dunes, other sandy places, disturbed areas.	OK and NM south through se., s. and w. TX.
Rubiaceae	Houstonia lanceolata	Midwestern Summer Bluet, Lanceleaf Bluet, Glade Mountain Houstonia	Calcareous prairies and barrens, dry woodlands, banks, rock outcrops, shallow soils around mafic and calcareous rock outcrops.	H. lanceolata ranges from s. ME and w. NY west to s. OH, and sw. MO, south to w. NC, n. GA, AL, MS, AR, and e. OK. The distribution and ecology of H. lanceolata in our area are poorly known; it apparently occupies drier and typically more circumneutral sites than H. purpurea.
Rubiaceae	Houstonia longifolia var. compacta	Eastern Longleaf Bluet	Dry rock outcrops and adjacent open woodlands, longleaf pine sandhills, dry sandy woodlands, dry roadbanks, glades and barrens.	Var. compacta is centered in the central Appalachians of VA, WV, e. KY, and se. OH, with extensions north to VT, west into n. IL, and south in the Piedmont and adjacent Coastal Plain to SC, GA, and Panhandle FL.
Rubiaceae	Houstonia longifolia var. glabra	Granite Dome Bluet	Seasonally and periodically wet soils of shallow soil mats and crevices of granitic domes.	Var. glabra is endemic to the granitic dome district centered around Highlands, NC, occurring in sw. NC, nw. SC, and ne. GA
Rubiaceae	Houstonia longifolia var. longifolia	Northern Longleaf Bluet	Dry sandy or rocky habitats.	New England and maritime Canada west to MN and SK, south to n. NJ, PA, n. IN, n. IL.
Rubiaceae	Houstonia micrantha	Southern Bluet	Dunes, sandy soils, granitic flatrocks, other glades, disturbed areas, roadsides.	E. and c. GA west to sc. KY, sw. TN, s. MO, nw. AR, south to w. FL Panhandle, s. MS, s. LA, and e. TX. In 2017-2018, found eastwards of its known native distribution on roadsides and other disturbed areas in Wake County, NC (B. England, pers. comm., 2017, 2018). Reported for Barren County, KY (Brock 2020).
Rubiaceae	Houstonia montana	Roan Mountain Bluet	In crevices of rock outcrops at the summits of high elevation peaks of the Southern Blue Ridge, also in thin, frost-heaved, gravelly soils of grassy balds near summit outcrops, from 1250-1950 m in elevation.	This species is endemic to the high Blue Ridge of nw. NC, ne. TN, and sw. VA, most notably occurring on Roan Mountain, Grandfather Mountain, Bluff Mountain, and Three Top Mountain. This species was recently found in sw. VA, at Grayson Highlands State Park, Grayson County (G.P. Fleming & K.D. Patterson, pers. comm., 2013).
Rubiaceae	Houstonia nigricans var. 1
Rubiaceae	Houstonia nigricans var. nigricans	Diamond-flower, Glade Bluet, Prairie Bluet	Limestone barrens, limestone glades, limestone rocky bluffs, blackland prairies, longleaf pine sandhills, coastal dunes, coastal grasslands, scrubby pine flatwoods.	Sw. VA (Ludwig 1999), s. MI, IA, NE, and e. CO, south to s. FL, TX, e. NM, and along the Sierra Madre Oriental to Hidalgo, Mexico. Turner (1995b) reports Houstonia nigricans var. nigricans (as Hedyotis nigricans var. nigricans) from Pickens County, SC; the documentation is not known to me, and suitable habitats there are unlikely.
Rubiaceae	Houstonia nigricans var. pulvinata	Florida Dune Diamond-flower	Coastal dunes.	FL peninsula (Flagler and St. Johns counties).
Rubiaceae	Houstonia ouachitana	Ouachita Bluet, Ouachita Houstonia	Oak forests, bottomlands, openings, generally in more mesic places than H. tenuifolia.	Ouachita Mountains of sw. AR and se. OK.
Rubiaceae	Houstonia parviflora	Greenman's Bluet	Tallgrass prairies.	S. TX; disjunct to nw. AR.
Rubiaceae	Houstonia procumbens	Creeping Bluet, Fairy-footprints, Roundleaf Bluet, Innocence	Beach dunes, moist to wet sandy pinelands and savannas, sandy firelanes.	Se. NC south to s. FL, west to se. LA.
Rubiaceae	Houstonia purpurea	Summer Bluet, Mountain Bluet	Moist and dry woodlands and forests, thinner soils around rock outcrops, and in a variety of disturbed sites, such as paths, old roads, and roadbanks.	DE, MD, and s. PA west to s. OH, s. IL, and sw. MO south to SC, sw. GA, Panhandle FL, MS, s. LA, e. TX, and e. OK.
Rubiaceae	Houstonia pusilla	Tiny Bluet	Woodlands, prairies, glades, barrens, lawns, cemeteries, and other disturbed sites.	MD south to Panhandle FL, west to TX, and inland from IL west to NE, south to TN and TX. The natural habitats and original distribution of this species are obscure.
Rubiaceae	Houstonia rosea	Rose Bluet	Bottomlands, lawns, disturbed areas.	AL west to se. MO, OK, and TX.
Rubiaceae	Houstonia rupestris	Cliff Diamond-flower	Limestone river bluffs and cliffs.	Largely restricted to limestone cliff-tops along the Kentucky River Palisades, the Cumberland River in KY and TN, and perhaps the Sequatchie Valley in TN.
Rubiaceae	Houstonia serpyllifolia	Appalachian Bluet, Thyme-leaf Bluet	Streambanks, grassy balds, moist forests, seepy rock outcrops, spray cliffs, and moist disturbed areas.	A Southern and Central Appalachian endemic: PA south to nw. SC and ne. GA.
Rubiaceae	Houstonia subviscosa	Nodding Bluet	Sandy soils, dunes.	Nc. TX south through se. and s. TX to (?) ne. Mexico.
Rubiaceae	Houstonia tenuifolia	Diffuse-branched Bluet	Usually in dry woodlands, often rocky (especially mafic rocks) or sandy.	This species is centered in the Southern Appalachians and the Ozarks, extending into provinces adjacent to both areas of concentration, ranging overall from PA west to MO and OK, south to SC, GA, and TX; disjunct in Panhandle FL.
Rubiaceae	Ixora	Ixora, Jungle-flame
Rubiaceae	Ixora coccinea	Scarlet Jungle-flame	Disturbed areas.	Native of Asia.
Rubiaceae	Ixora pavetta	Torch-tree, Smallflower Jungle-flame	Disturbed areas.	Native of Asia.
Rubiaceae	Mitchella	Partridge-berry
Rubiaceae	Mitchella repens	Partridge-berry, Two-eyed-berry, Running Box	Deciduous and coniferous forests, stream-banks, heath balds, maritime forests, on rotten logs and hummocks in bottomlands and other wetter habitats.	NS west to MN, south to c. peninsular FL and TX; disjunct in montane Mexico (CAM, CHP, GRO, HGO, NLE, OAX, PUE, QRO, SLP, TAM, VER) and Guatemala.
Rubiaceae	Mitracarpus	Girdle-pod
Rubiaceae	Mitracarpus hirtus	Girdle-pod	Disturbed areas, roadsides.	Native of tropical America. Reported for GA Coastal Plain (Charlton County) (Carter, Baker, & Morris 2009) and SC Coastal Plain (Jasper County) (Bradley et al. [in prep.]).
Rubiaceae	Morinda
Rubiaceae	Morinda citrifolia	Indian-mulberry, Noni	Beaches, disturbed areas on the coast.	Native of Asia and Australia.
Rubiaceae	Morinda royoc	Redgal, Cheeseshrub, Wild-mulberry, Rhubarb	Coastal hammocks, other hammocks.	C. and s. FL peninsula; West Indies; s. Mexico (CAM, CHP, ROO, TAB, YUC), Central America, and South America.
Rubiaceae	Oldenlandia	Oldenlandia
Rubiaceae	Oldenlandia boscii	Bosc's Bluet, Bosc's Mille-graines	Clay-based Carolina bays, rivershore and millpond drawdown shores, sagponds, other seasonally saturated habitats.	A Southeastern Coastal Plain endemic: se. VA south to FL and west to TX.
Rubiaceae	Oldenlandia corymbosa	Diamond-flower	Moist lawns, gardens.	Native of Africa or possibly South America. Reported for NC by Nesom (2000e).
Rubiaceae	Oldenlandia salzmannii		Roadside ditches, marshes.	Native of South America. Introduced in s. AL and w. Panhandle FL.
Rubiaceae	Oldenlandiopsis	Oldenlandiopsis, Creeping-Bluet
Rubiaceae	Oldenlandiopsis callitrichoides	Creeping-bluet, Oldenlandiopsis	Wet or moist disturbed urban areas.	Native of the West Indies and Mexico (YUC) and Central America.
Rubiaceae	Paederia	Skunk-vine
Rubiaceae	Paederia cruddasiana	Sewervine, Stinkvine, Fevervine	Disturbed areas.	Native of s. Asia.
Rubiaceae	Paederia foetida	Skunkvine	Disturbed areas.	Native of se. Asia. Diamond (1999) reports its naturalization in Randolph County, NC; Carter, Baker, & Morris (2009) report its naturalization in several counties in the GA Coastal Plain; reported also in s. AL (Mobile County) by Barger et al. (2019).
Rubiaceae	Pentas
Rubiaceae	Pentas lanceolata	Egyptian Starcluster	Disturbed hammocks, disturbed areas, sometimes spreading weakly from cultivation.
Rubiaceae	Pentodon
Rubiaceae	Pentodon pentandrus	Pentodon	Pond edges, drawdowns, sloughs, wet meadows, moist ground.	Apparently native of sub-Saharan Africa, now distributed in e. SC south to s. FL, west to se. TX; West Indies.
Rubiaceae	Pinckneya	Pinckneya, Fever-tree
Rubiaceae	Pinckneya bracteata	Pinckneya, Fever-tree	Margins of acidic, peaty (blackwater) swamps, bayheads and also in seepage ecotones and other boggy habitats.	Se. SC south to ne. FL and Panhandle FL.
Rubiaceae	Psychotria	Wild Coffee
Rubiaceae	Psychotria ligustrifolia	Smooth Wild Coffee, Bahama Wild Coffee	Rockland hammocks, pine rocklands.	S. FL; West Indies (Bahamas, Cuba, Hispaniola, Puerto Rico, Virgin Islands).
Rubiaceae	Psychotria nervosa	Wild Coffee	Hammocks.	Ne. FL (Duval County) south to s. FL; West Indies; Mexico, Central America, and n. South America.
Rubiaceae	Psychotria punctata	Dotted Wild Coffee	Rockland hammocks, disturbed areas.	Native of Africa. Naturalized in the Florida Keys (Monroe County) and mainland FL in Broward, Miami-Dade, and Palm Beach counties (Wetterer 2022).
Rubiaceae	Psychotria tenuifolia	Shortleaf Wild Coffee	Hammocks, swamps, pine rocklands, disturbed areas.	S. FL; West Indies; Mexico, Central America, and South America.
Rubiaceae	Randia	Indigoberry
Rubiaceae	Randia aculeata var. aculeata	White Indigoberry, Inkberry, Box Briar	Hammocks, pine rocklands, coastal strands, disturbed areas.	S. and c. peninsular FL; West Indies; Mexico, Central America, and South America.
Rubiaceae	Randia rhagocarpa	Crucillo, Texas Randia	Open chaparral, brushlands, and thickets.	S. TX, TAM, NLE, SLP, and VER.
Rubiaceae	Richardia	Richardia
Rubiaceae	Richardia brasiliensis	Tropical Richardia	Roadsides, fields, vacant lots, urban areas, disturbed areas.	Native of South America.
Rubiaceae	Richardia grandiflora	Largeflower Richardia	Yards, 'improved' pastures, disturbed areas.	Native of South America (mainly Brazil). Near the northern edge of its current documented distribution, it was reported for Alachua County (Kunzer et al. 2009), "rapidly spreading".
Rubiaceae	Richardia humistrata		Disturbed areas, pine savannas, pine flatwoods.	Native of South America. Also collected in 1886 as a ballast waif in Camden County, NJ; first noted on the Gulf Coast only in 1941, but perhaps early introduced there on ballast as well, such as at Pensacola.
Rubiaceae	Richardia scabra	Rough Mexican-clover	Roadsides, fields, vacant lots, urban areas, disturbed areas.	Native of South America. Lewis & Oliver (1974) consider this species to be native from our area south through Central America into northern South America, based on the semi-contiguous distribution, but occurrences in our region seem to be in altered habitats.
Rubiaceae	Richardia tricocca	Prairie Richardia	Brushy areas and woodlands.	E., c., and s. TX south to s. Mexico.
Rubiaceae	Rubia
Rubiaceae	Rubia tinctorum	Madder		Native of Eurasia.
Rubiaceae	Rubiaceae	Madder Family
Rubiaceae	Sarcocephalus
Rubiaceae	Sarcocephalus latifolius	African-peach		Native of Africa.
Rubiaceae	Spermacoce	Buttonweed
Rubiaceae	Spermacoce glabra	Smooth Buttonweed	Moist shores, bottomlands, riverside drawdowns, rocky riversides in the mountains, disturbed areas in the Coastal Plain.	C. MD, s. OH, c. IN, c. IL, MO, and e. KS south to s. SC, Panhandle FL, s. AL, s. MS, LA, and e. TX. Perhaps only introduced in some parts of our area; see Wieboldt et al. (1998) for discussion.
Rubiaceae	Spermacoce keyensis	Florida Buttonweed	Pinelands.	S. FL; West Indies. Reported for s. TX (Correll & Johnston 1970).
Rubiaceae	Spermacoce ocymoides		Wet pine flatwoods, floodplain forests.	FL, AL, MS, south through the New World tropics.
Rubiaceae	Spermacoce remota	Woodland Buttonweed	Wet hammocks, bottomland forests, marshes.	Sw. GA, s. AL, and FL; Central America, South America, and the West Indies.
Rubiaceae	Spermacoce tenuior		In clay soils along creeks.	S. TX south through Mexico and Central America to South America. Reported from sw. GA and MS (Kartesz 1999, 2010) {IDs need checking; seems a bit unlikely}.
Rubiaceae	Spermacoce tetraquetra	Pineland Buttonweed	Pinelands, hammocks, disturbed areas.	S. FL; West Indies; s. Mexico and Central America.
Rubiaceae	Strumpfia	Strumpfia
Rubiaceae	Strumpfia maritima	Strumpfia, Seaside-rosemary, Pride of Big Pine	Coastal strands, pine rocklands.	S. FL (Monroe County keys); West Indies; s. Mexico (ROO, YUC); South America (n. Venezuela).