Displaying 1 - 50 out of 92 Object(s)

Taxon Collector Date Country State/Province Locality Type Status Barcode Notice
Acalypha gracilens A.Gray J. L. Riddell s.n. s.d. United States of America Louisiana Acalypha gracilens A.Gray
Acalypha lindheimeri Müll.Arg. J. L. Riddell 34 s.d. United States of America Texas Acalypha lindheimeri Müll.Arg.
Acalypha ostryifolia Riddell ex J.M.Coult. J. L. Riddell s.n. s.d. United States of America Louisiana Orleans Parish. New Orleans type Acalypha ostryifolia Riddell ex J.M.Coult.
Acalypha rhomboidea Raf. J. L. Riddell s.n. 1834 United States of America Ohio [likely collected in Worthington County,… Acalypha rhomboidea Raf.
Acalypha rhomboidea Raf. J. L. Riddell 49 s.d. United States of America Ohio Acalypha rhomboidea Raf.
Acalypha virginica L. J. L. Riddell s.n. s.d. United States of America Louisiana Acalypha virginica L.
Acleisanthes longiflora A.Gray J. L. Riddell 19 s.d. United States of America Texas Acleisanthes longiflora A.Gray
Actinella scaposa var. linearis Nutt. J. L. Riddell s.n. s.d. United States of America Texas isotype Actinella scaposa var. linearis Nutt.
Anoda cristata (L.) Schltdl. J. L. Riddell 5 Apr 1849 United States of America Texas Anoda cristata (L.) Schltdl.
Aphanostephus riddellii Torr. & A.Gray J. L. Riddell s.n. s.d. United States of America Texas isotype Aphanostephus riddellii Torr. & A.Gray
Apocynum sibiricum Jacq. J. L. Riddell s.n. s.d. United States of America Ohio Apocynum sibiricum Jacq.
Arabis virginica (L.) Poir. J. L. Riddell 106 s.d. United States of America Red river country Arabis virginica (L.) Poir.
Aronia latifolia Riddell J. L. Riddell s.n. s.d. United States of America Kentucky type Aronia latifolia Riddell
Aster oolentangiensis Riddell J. L. Riddell s.n. s.d. United States of America Ohio Franklin Co. Worthington, O. [Inferred… isotype Aster oolentangiensis Riddell
Baccharis halimifolia L. J. L. Riddell s.n. s.d. United States of America Louisiana Orleans Parish. Baccharis halimifolia L.
Bartramia patens Brid. J. L. Riddell s.n. s.d. Kerguelen Island Bartramia patens Brid.
Bartramia patens Brid. J. L. Riddell s.n. s.d. Kerguelen Island Bartramia patens Brid.
Bartramia patens Brid. J. L. Riddell s.n. s.d. Kerguelen Island Bartramia patens Brid.
Bigelowia nuttallii L.C.Anderson J. L. Riddell s.n. United States of America Texas Bigelowia nuttallii L.C.Anderson
Buddleja racemosa Torr. J. L. Riddell 48 1840 United States of America Texas lectotype Buddleja racemosa Torr.
Bumelia lucida W.Small J. L. Riddell United States of America Louisiana probable syntype Bumelia lucida W.Small
Carex crus-corvi Shuttlew. ex Kuntze J. L. Riddell s.n. United States of America Louisiana Orleans Parish. Carex crus-corvi Shuttlew. ex Kuntze
Carlowrightia torreyana Wassh. J. L. Riddell 2 s.d. United States of America Texas Carlowrightia torreyana Wassh.
Celtis mississippiensis Bosc J. L. Riddell s.n. United States of America Louisiana Celtis mississippiensis Bosc
Centauridium drummondii Torr. & A.Gray J. L. Riddell s.n. s.d. United States of America Texas Centauridium drummondii Torr. & A.Gray
Centaurium beyrichii (Torr. & A.Gray) B.L.Rob. J. L. Riddell s.n. s.d. United States of America Texas Centaurium beyrichii (Torr. & A.Gray) B.L.Rob.
Chamaesyce deltoidea (Engelm. ex Chapm.) Small var. deltoidea J. L. Riddell United States of America Florida Monroe Co. Chamaesyce deltoidea (Engelm. ex Chapm.) Small var. deltoidea
Chara michauxii (A.Braun) Kütz. J. L. Riddell s.n. s.d. United States of America Louisiana Chara michauxii (A.Braun) Kütz.
Chromolaena ivifolia (L.) R.M.King & H.Rob. J. L. Riddell s.n. Nov 1838 United States of America Louisiana Old field about New Orl.… Chromolaena ivifolia (L.) R.M.King & H.Rob.
Clavigera riddellii Torr. & A.Gray J. L. Riddell s.n. s.d. United States of America Texas isotype Clavigera riddellii Torr. & A.Gray
Conyza ramosissima Cronquist J. L. Riddell s.n. s.d. United States of America Louisiana Orleans Parish. Conyza ramosissima Cronquist
Coreopsis tripteris L. J. L. Riddell s.n. s.d. United States of America Ohio Franklin Co. Coreopsis tripteris L.
Croton monanthogynus Michx. J. L. Riddell 7 s.d. United States of America Texas Croton monanthogynus Michx.
Dalea purpurea Vent. var. purpurea J. L. Riddell 374 s.d. United States of America Louisiana Near Jackson [Feliciana Parish, i.… Dalea purpurea Vent. var. purpurea
Dracopis amplexicaulis (Vahl) Cass. J. L. Riddell 975 s.d. United States of America Louisiana Orleans Parish. Dracopis amplexicaulis (Vahl) Cass.
Dryopteris cristata (L.) A.Gray J. L. Riddell s.n. 1834 United States of America Ohio Dryopteris cristata (L.) A.Gray
Eragrostis reptans (Michx.) Nees J. L. Riddell s.n. s.d. United States of America Louisiana New Orleans Eragrostis reptans (Michx.) Nees
Erechtites hieraciifolius (L.) Raf. ex DC. J. L. Riddell s.n. s.d. [1800s] United States of America Ohio Franklin Co. Columbus. Erechtites hieraciifolius (L.) Raf. ex DC.
Eriogonum multiflorum Benth. J. L. Riddell 27 s.d. United States of America Texas Eriogonum multiflorum Benth.
Eriogonum tenellum var. ramosissimum Benth. J. L. Riddell 23 United States of America Texas syntype Eriogonum tenellum var. ramosissimum Benth.
Eupatorium ageratifolium var. texense Torr. & A.Gray J. L. Riddell 43 s.d. United States of America Texas Comanche Co. Sabinas Creek type Eupatorium ageratifolium var. texense Torr. & A.Gray
Euphorbia indivisa (Engelm.) Tidestr. J. L. Riddell s.n. 1855 United States of America Texas Western Texas Euphorbia indivisa (Engelm.) Tidestr.
Euphorbia missurica Raf. J. L. Riddell 22 s.d. United States of America Texas Euphorbia missurica Raf.
Gentiana quinqueflora var. occidentalis A.Gray J. L. Riddell s.n. s.d. United States of America Ohio Franklin Co. Worthington, O. [Inferred… possible type Gentiana quinqueflora var. occidentalis A.Gray
Gutierrezia texana var. glutinosa (S.Schauer) M.A.Lane J. L. Riddell s.n. s.d. United States of America Texas Gutierrezia texana var. glutinosa (S.Schauer) M.A.Lane
Gymnosperma glutinosum (Spreng.) Less. J. L. Riddell s.n. s.d. United States of America Texas Gymnosperma glutinosum (Spreng.) Less.
Hedeoma drummondii subsp. reverchonii J. L. Riddell 60 1840 United States of America Texas Hedeoma drummondii subsp. reverchonii
Helenium amarum (Raf.) H.Rock J. L. Riddell s.n. s.d. United States of America Arkansas Helenium amarum (Raf.) H.Rock
Heterotheca canescens (DC.) Shinners J. L. Riddell s.n. s.d. United States of America Texas Heterotheca canescens (DC.) Shinners
Hopia obtusa (Kunth) Zuloaga & Morrone J. L. Riddell 11 s.d. United States of America Texas Hopia obtusa (Kunth) Zuloaga & Morrone