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Arcytophyllum filiforme (Ruiz & Pav.) Standl.

Publ. Field Mus. Nat. Hist., Bot. Ser.
Status:Accepted Name
Rank:Species
Family: Rubiaceae
Order: Gentianales

Houstonia bryoides Roem. & Schult.

Syst. Veg.
Rank:Species
Family: Rubiaceae

Stenaria butterwickiae (Terrell) Terrell

Sida
Status:Accepted Name
Rank:Species
Family: Rubiaceae
Order: Gentianales

Houstonia butterwickiae Terrell

Brittonia
Rank:Species
Family: Rubiaceae

Houstonia caerulea L.

Sp. Pl.
Status:Accepted Name
Rank:Species
Family: Rubiaceae

Houstonia purpurea var. calycosa A.Gray

Syn. Fl. N. Amer.
Status:Accepted Name
Rank:Variety
Family: Rubiaceae

Houstonia calycosa (A.Gray) Mohr

Contr. U. S. Natl. Herb.
Rank:Species
Family: Rubiaceae

Houstonia canadensis Willd. ex Roem. & Schult.

Syst. Veg.
Status:Accepted Name
Rank:Species
Family: Rubiaceae

Houstonia setiscaphia L.G.Carr

Rhodora
Rank:Species
Family: Rubiaceae

Houstonia canadensis var. setiscaphia (L.G.Carr) C.F.Reed

Phytologia
Rank:Variety
Family: Rubiaceae

Houstonia asperuloides f. brandegeeana (Rose) W.H.Lewis

Rhodora
Rank:Form
Family: Rubiaceae

Houstonia asperuloides var. brandegeeana (Rose) Wiggins

Veg. Fl. Sonoran Desert
Rank:Variety
Family: Rubiaceae

Stenotis australis (I.M.Johnst.) Terrell

Sida
Status:Accepted Name
Rank:Species
Family: Rubiaceae
Order: Gentianales

Houstonia australis I.M.Johnst.

Univ. Calif. Publ. Bot.
Rank:Species
Family: Rubiaceae

Houstonia biloba Raf.

New Fl.
Status:Unresolved
Rank:Species
Family: Rubiaceae

Hedyotis bouvardioides Seem.

Bot. Voy. Herald
Rank:Species
Family: Rubiaceae

Houstonia bouvardioides (Seem.) Benth. & Hook.f.

Gen. Pl.
Rank:Species
Family: Rubiaceae

Stenotis brevipes (Rose) Terrell

Sida
Status:Accepted Name
Rank:Species
Family: Rubiaceae
Order: Gentianales

Houstonia brevipes Rose

Contr. U. S. Natl. Herb.
Rank:Species
Family: Rubiaceae

Kraussia capensis Sch.Bip.

in Flora, xxvii. (1844) 672.
Status:Unresolved
Rank:Species
Family: Rubiaceae

Voigtia laurifolia Spreng.

Syst. Veg. (ed. 16) [Sprengel] 3: 673
Status:Unresolved
Rank:Species
Family: Rubiaceae

Gonotheca helianthoides Rzfin.

in Med. Repos. N. York, v. (1808) 352.
Status:Unresolved
Rank:Species
Family: Rubiaceae

Oribasia


Status:Accepted Name
Rank:Genus
Family: Rubiaceae
Order: Gentianales

Oribasia acaulis Moc.

Sesse & Cerv. ex DC., Prodr. 6: 324. 1837.
Status:Accepted Name
Rank:Species
Family: Rubiaceae
Order: Gentianales