Harvard University Herbaria & Libraries

Index of Botanical Specimens

Name	Houstonia
Authorship
Rank	Genus
NomenclaturalStatus	NomLeg
Placed in	Rubiaceae
Contains	Houstonia acerosa (A. Gray) Bentham & Hooker f. Houstonia angustifolia Michaux Houstonia arenaria Rose Houstonia asperuloides Brandegee Houstonia brandegeana Rose Houstonia brevipes Rose Houstonia butterwickiae Terrell Houstonia caerula Linnaeus Houstonia caerulea Linnaeus Houstonia canadensis Willdenow ex Roemer & Schultes Houstonia correllii (W. H. Lewis) Terrell Houstonia croftiae Britton & Rusby Houstonia CR. UA. lE. eLoang Linnaeus Houstonia fasciculata A. Gray Houstonia fruticosa Rose Houstonia gracilenta I. M. Johnston Houstonia gracilis Brandegee Houstonia greenei (A. Gray) Terrell Houstonia humifusa (A. Gray) A. Gray Houstonia longifolia Gaertner Houstonia longipes S. Watson Houstonia micrantha (Shinners) Terrell Houstonia nigricans (Lamarck) Fernald Houstonia ouachitana (E. B. Smith) Terrell Houstonia palmeri A. Gray Houstonia parviflora Holzinger ex Greenman Houstonia parvula Brandegee Houstonia patens Elliot Houstonia polypremnoides A. Gray Houstonia polypremoides A. Gray Houstonia procumbens (J. F. Gmelin) Standley Houstonia prostrata Brandegee Houstonia purpurea Linnaeus Houstonia pusilla J. D. Schöpf Houstonia rosea (Rafinesque) Terrell Houstonia rotundifolia Michaux Houstonia rubra Cavanilles Houstonia rupicola Greenman Houstonia salina A. Heller Houstonia serpyllifolia Michaux Houstonia setiscaphia L. G. Carr Houstonia sp. Houstonia subviscosa (C. Wright ex A. Gray) A. Gray Houstonia tenuifolia Nuttall Houstonia umbratilis B. L. Robinson Houstonia wrightii A. Gray Houstonia xestosperma (B. L. Robinson & Greenman) Terrell
Holdings	1 Specimen held in the Harvard University Herbaria identified as Houstonia
Identification made in	[no date] (1)