Harvard University Herbaria & Libraries

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Aceraceae
A: 01870478 Acer floridanum (Chapman) Pax USA: Arkansas Fulton: [no additional data] G. W. Letterman 1881-5-4
A: 01793746 Acer rubrum trilobum K. Koch USA: Texas Marshall: N. E. Texas G. W. Letterman 1882-7-23
A: 01793747 Acer rubrum trilobum K. Koch USA: Texas Marshall: [no additional data] G. W. Letterman
A: 01793440 Acer rubrum drummondii (Hooker & Arnott ex Nuttall) Sargent USA: Arkansas Newport G. W. Letterman 1882-8-30
A: 01793444 Acer rubrum drummondii (Hooker & Arnott ex Nuttall) Sargent USA: Arkansas Little Rock: [no additional data] G. W. Letterman 1881-5-6
A: 01793446 Acer rubrum drummondii (Hooker & Arnott ex Nuttall) Sargent USA: Arkansas Little Rock: [no additional data] G. W. Letterman 1881-5-6
Amaranthaceae
GH: 01928865 Amaranthus blitoides S. Watson USA: Texas Big Springs G. W. Letterman 1882-8
GH: 01929638 Amaranthus tamariscinus Nuttall USA: Texas Fort Worth: [no additional data] G. W. Letterman 100 1881-8
GH: 01930631 Tidestromia lanuginosa Standley USA: Kansas Garden City G. W. Letterman 1886-8-14
Anacardiaceae
A: 01867425 Rhus copallinum latifolia Engler USA: Texas Dallas: [data not captured] G. W. Letterman 1882-8-16
A: 01867917 Rhus lanceolata (A. Gray) Britton USA: Texas Austin: [data not captured] G. W. Letterman 1882-7-30
A: 01867921 Rhus lanceolata (A. Gray) Britton USA: Texas Dallas: [data not captured] G. W. Letterman 1882-8
A: 01867932 Rhus lanceolata (A. Gray) Britton USA: Texas Dallas: [data not captured] G. W. Letterman 1882-8-16
A: 01868012 Rhus microphylla Engelmann ex A. Gray USA: Texas Big Springs G. W. Letterman 1882-8
A: 01868364 Rhus trilobata Nuttall USA: Texas Baird G. W. Letterman 1882-8
Aspleniaceae
GH: 02068499 Asplenium resiliens Kunze USA: Arkansas Hot Springs: [Hot Springs National Park] G. W. Letterman 1879-8-8
Asteraceae
GH: 01924788 Ageratina herbacea (A. Gray) King & H. Robinson USA: Colorado Manitou G. W. Letterman 1884-8-11
GH: 00968248 Artemisia campestris caudata (Michaux) H. M. Hall & Clements USA: Colorado Manitou G. W. Letterman 1884-8-16
GH: 01234386 Artemisia scopulorum A. Gray USA: Colorado Pike's Peak Trail G. W. Letterman 1884-8-13
GH: 01923618 Brickellia grandiflora (Hooker) Nuttall USA: Colorado Boulder: [no additional data] G. W. Letterman 1884-8-21
GH: 02142295 Crepis acuminata Nuttall USA: Colorado Ute Pass; Near Manitou G. W. Letterman 1884-8-5
GH: 02142877 Crepis runcinata Torrey & A. Gray USA: Colorado East 4 Mile Creek G. W. Letterman 1884-8-3
GH: 02142957 Crepis runcinata Torrey & A. Gray USA: Wyoming Sherman G. W. Letterman 71 1884-7-25
GH: 02203449 Dieteria bigelovii (A. Gray) D. R. Morgan & R. L. Hartman USA: Colorado Manitou G. W. Letterman 1884-8-16
GH: 02207985 Erigeron caespitosus Nuttall USA: Colorado Denver: [no additional data] G. W. Letterman 1884-8-20
GH: 01831788 Hieracium gracile detonsum (A. Gray) A. Gray USA: Colorado Kelso Mt.; near Torrey's Park G. W. Letterman 1885-8
GH: 01831787 Hieracium gracile detonsum (A. Gray) A. Gray USA: Wyoming Yellowstone Park G. W. Letterman 1885-8
GH: 01832970 Hieracium scouleri Hooker USA: Idaho [data not captured] G. W. Letterman 1885-8
GH: 00018758 Rudbeckia missouriensis Engelmann ex Boynton & Beadle USA: Missouri Allenton: G. W. Letterman 1879-4
GH: 00013547 Vernonia lettermani Engelmann ex A. Gray USA: Arkansas Washita River G. W. Letterman 1879-8
Betulaceae
A: 02071405 Carpinus caroliniana virginiana (Marshall) Furlow USA: Missouri Allenton: [data not captured] G. W. Letterman 1883-7
Bignoniaceae
A: 02054765 Catalpa speciosa Teas USA: Arkansas [no additional data] G. W. Letterman 1880-8
A: 02054903 Chilopsis linearis (Cavanilles) Sweet USA: Texas Laredo: [no additional data] G. W. Letterman 1882-7-25
Brassicaceae
GH: 01155278 Cardamine cordifolia A. Gray USA: Colorado near Graymont G. W. Letterman 1885-8-15
GH: 01103453 Draba aurea Vahl USA: Colorado Near Graymont G. W. Letterman 1885-7-23
GH: 01103669 Draba brachycarpa Nuttall USA: Missouri [data not captured] G. W. Letterman 1880-5-5
GH: 01103996 Draba crassa Rydberg USA: Colorado Gray's Peak G. W. Letterman 1885-8-15
GH: 01106112 Draba cuneifolia Nuttall ex Torrey & A. Gray USA: Missouri [data not captured] G. W. Letterman 1880-5-1
GH: 01155962 Draba fladnizensis pattersonii (O. E. Schulz) Rollins USA: Colorado Gray's Peak G. W. Letterman 1885-8-15
GH: 01106407 Draba fladnizensis pattersonii (O. E. Schulz) Rollins USA: Colorado Gray's Peak G. W. Letterman 1885-8-15
GH: 01561064 Draba reptans (Lamarck) Fernald USA: Missouri [data not captured] G. W. Letterman 1880-5-1
GH: 01561233 Draba streptocarpa A. Gray USA: Colorado South Park G. W. Letterman 1884-8-3
GH: 01538238 Erysimum capitatum argillosum (Greene) R. J. Davis USA: Colorado Gray's Peak G. W. Letterman 1885-8-15
GH: 01546558 Leavenworthia uniflora (Michaux) Britton USA: Missouri [data not captured] G. W. Letterman 1883-4-15
GH: 01546559 Leavenworthia uniflora (Michaux) Britton USA: Missouri [data not captured] G. W. Letterman 1883-3
GH: 01546560 Leavenworthia uniflora (Michaux) Britton USA: Missouri [data not captured] G. W. Letterman 1884-5
GH: 01546570 Leavenworthia uniflora (Michaux) Britton USA: Missouri [data not captured] G. W. Letterman 1887-4-15
GH: 01548489 Lepidium didymum Linnaeus USA: Arkansas Prescott G. W. Letterman 1884-5
GH: 01549329 Lepidium oblongum Small USA: Arkansas Corning: [no additional data] G. W. Letterman 1884-5
Caesalpiniaceae
A: 01852767 Gleditsia aquatica Marshall USA: Arkansas [Corning] G. W. Letterman 1883
A: 01852768 Gleditsia aquatica Marshall USA: Arkansas [no additional data] G. W. Letterman
Caprifoliaceae
A: 02038461 Lonicera involucrata (Richardson) Banks ex Sprengel USA: Colorado Graymont G. W. Letterman
A: 02187955 Viburnum rufidulum Rafinesque USA: Missouri Allenton: [data not captured] G. W. Letterman 1883-11
A: 02187977 Viburnum rufidulum Rafinesque USA: Missouri Allenton: [data not captured] G. W. Letterman 1896-3-28
A: 02187973 Viburnum rufidulum Rafinesque USA: Missouri Allenton: [data not captured] G. W. Letterman 1882-4-20
Caryophyllaceae
GH: 01745240 Minuartia biflora (Linnaeus) Schinz & Thellung USA: Colorado Gray's Peak G. W. Letterman 1885-8-15
GH: 01714597 Paronychia depressa (A. Gray & Torrey) Nuttall ex A. Nelson USA: Wyoming National Park G. W. Letterman 1885-8-5
GH: 01714921 Paronychia jamesii Torrey & A. Gray USA: Wyoming Sherman G. W. Letterman 1884-7-31
GH: 01715022 Paronychia pulvinata A. Gray USA: Colorado Gray's Peak G. W. Letterman 1885-7-23
GH: 01751402 Silene acaulis subacaulescens (F. N. Williams) C. L. Hitchcock & B. Maguire USA: Colorado Gray's Peak G. W. Letterman 1885-8-15
Cornaceae
A: 01845280 Cornus drummondii C. A. Meyer USA: Texas Austin: [no additional data] G. W. Letterman 1882-7-30
Cyperaceae
GH: 01930154 Froelichia gracilis (Hooker) Moquin-Tandon USA: Colorado Colorado Springs: [no additional data] G. W. Letterman
Fabaceae
GH: 02052161 Astragalus kentrophyta implexus (Canby) Barneby USA: Wyoming Yellowstone Falls. Lower Falls G. W. Letterman 1885-8-5
GH: 01884779 Dalea aurea Nuttall ex Pursh USA: Kansas Wallace G. W. Letterman 1884-8-22
GH: 01885329 Dalea enneandra Nuttall USA: Kansas Wallace G. W. Letterman 1884-8-22
GH: 01885767 Dalea lanata Sprengel USA: Texas Dennison G. W. Letterman 1880-7-22
A: 01960899 Eysenhardtia amorphoides Kunth USA: Texas Austin: Austin G. W. Letterman 1882-7-30
GH: 02130579 Orbexilum onobrychis (Nuttall) Rydberg USA: Missouri Allenton: [data not captured] G. W. Letterman 1887-5-20
GH: 02131730 Pediomelum argophyllum (Pursh) Rydberg USA: Kansas Wallace G. W. Letterman 1884-8-22
GH: 02131984 Pediomelum esculentum (Pursh) Rydberg USA: Missouri [data not captured] G. W. Letterman 1890-5-15
GH: 02133031 Pediomelum hypogaeum subulatum (Bush) J. W. Grimes USA: Missouri [data not captured] G. W. Letterman 1880-4-30
A: 02135340 Sophora affinis Torr. & A. Gray USA: Arkansas [data not captured] G. W. Letterman 1882-8-21
GH: 02344054 Trifolium reflexum Linnaeus USA: Missouri [data not captured] G. W. Letterman 1884-7
Juncaceae
GH: 02099335 Juncus balticus ater (Rydberg) Snogerup USA: Colorado Near Denver G. W. Letterman 1885-8-8
GH: 02366740 Luzula spicata Linnaeus USA: Colorado Trail to Pike's Peak G. W. Letterman 1884-8-8
Linaceae
GH: 02053725 Linum rigidum berlandieri (Hooker) Torrey & A. Gray USA: Kansas Wallace G. W. Letterman 1884-8-22
Malvaceae
GH: 02198144 Sphaeralcea pedatifida (A. Gray) A. Gray USA: Texas San Antonio G. W. Letterman 1882-7
GH: 02198143 Sphaeralcea pedatifida (A. Gray) A. Gray USA: Texas San Antonio G. W. Letterman 1882-7
Mimosaceae
A: 01786032 Acacia wrightii Bentham USA: Texas About half way between San Antonio & Laredo G. W. Letterman 1882-7-24
A: 01680084 Mimosa aculeaticarpa biuncifera (Bentham) Barneby USA: Texas Colorado River bottom near Austin G. W. Letterman 41 1882-7-31
A: 01680114 Mimosa aculeaticarpa biuncifera (Bentham) Barneby USA: Texas Austin: Sand of Colorado River Bottom G. W. Letterman 40 1882-7-31
Moraceae
A: 01545250 Morus microphylla Buckley USA: Texas Baird G. W. Letterman 1882-8-9
Oleaceae
A: 01847081 Forestiera acuminata (Michaux) Poiret USA: Arkansas Newport G. W. Letterman 1881-5-7
A: 01848534 Fraxinus caroliniana Miller USA: Texas Orange G. W. Letterman 1880-8
Orchidaceae
AMES: 01883930 Aplectrum hyemale (Muhlenberg ex Willdenow) Torrey USA: Missouri Allenton: [no additional data] G. W. Letterman 1890-5
AMES: 02065297 Cypripedium pubescens Willdenow USA: Missouri Allenton: [no additional data] G. W. Letterman 1890-5-15
AMES: 02029139 Liparis loeselii (Linnaeus) Richard USA: Missouri [no additional data] G. W. Letterman
Orobanchaceae
GH: 01878708 Castilleja pilosa Rydberg USA: Wyoming National Park G. W. Letterman 1885-8-5
GH: 01880146 Cordylanthus ramosus Nuttall ex Bentham USA: Wyoming Fossil G. W. Letterman 1885-8-9
Papaveraceae
GH: 01857653 Papaver uintaense S. L. Welsh USA: Colorado Gray's Peak G. W. Letterman 1885-8-15
Platanaceae
A: 00648207 Platanus occidentalis Linnaeus USA: Massachusetts Boston: J. [Jamaica] Plain G. W. Letterman
Poaceae
GH: 00024304 Poa lettermanii Vasey USA: Colorado Gray's Peak G. W. Letterman 1885
Polygalaceae
GH: 01970907 Polygala incarnata Linnaeus USA: Kansas Parsons G. W. Letterman 1880-7-10
Polygonaceae
GH: 01618254 Eriogonum annuum Nuttall USA: Colorado Denver: [no additional data] G. W. Letterman 1884-8
GH: 01851660 Eriogonum longifolium Nuttall USA: Arkansas Hot Springs: [data not captured] G. W. Letterman 1879-7-30
GH: 02364716 Persicaria coccinea (Muhlenberg ex Willdenow) Greene USA: Colorado Denver: [no additional data] G. W. Letterman 1884-8
GH: 02362180 Persicaria maculosa Gray USA: Colorado Manitou G. W. Letterman 1884-8
GH: 02361439 Polygonum americanum (Fischer & C. A. Meyer) T. M. Schuster & Reveal USA: Arkansas [data not captured] G. W. Letterman 1879-8
GH: 02361433 Polygonum americanum (Fischer & C. A. Meyer) T. M. Schuster & Reveal USA: Arkansas [data not captured] G. W. Letterman 1879-8
Portulacaceae
GH: 01858448 Cistanthe umbellata (Torrey) Hershkovitz USA: Wyoming National Park G. W. Letterman 1885-8-6
Pucciniaceae
FH: 00981943 Puccinia atropuncta Peck & Clinton USA: Missouri [no additional data] G. W. Letterman
FH: 00981944 Puccinia atropuncta Peck & Clinton USA: Missouri [no additional data] G. W. Letterman
FH: 01094038 Puccinia atropuncta Peck & Clinton USA: Missouri Allentown G. W. Letterman 1880-8
Ranunculaceae
GH: 01720319 Aconitum columbianum Nuttall USA: Wyoming Sherman G. W. Letterman 1884-7-31
GH: 01708954 Aquilegia coerulea James USA: Colorado Gray's Peak G. W. Letterman 1885-8-15
GH: 01662439 Ranunculus adoneus A. Gray USA: Colorado Gray's Peak G. W. Letterman 1886-7-22
Rhamnaceae
A: 01788607 Berchemia scandens (Hill) K. Koch USA: Arkansas Little Rock: [no additional data] G. W. Letterman
A: 01790526 Colubrina texensis (Torrey & A. Gray) A. Gray USA: Texas San Antonio: [no additional data] G. W. Letterman 1882-7-28
A: 01971185 Ziziphus obtusifolia (Hooker ex Torrey & A. Gray) A. Gray USA: Texas San Antonio: [no additional data] G. W. Letterman 1882-7-28
A: 01971185 Ziziphus obtusifolia obtusifolia USA: Texas San Antonio: [no additional data] G. W. Letterman 1882-7-28
Rosaceae
GH: 01726644 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Wyoming Sherman G. W. Letterman 1884-7-30
A: 01587909 Cercocarpus montanus paucidentatus (S. Watson) F. L. Martin USA: Colorado Manitou G. W. Letterman 203 1884-8-16
A: 00018256 Crataegus arkansana Sargent USA: Arkansas Newport: G. W. Letterman 4177 1898-11-8
A: 00139449 Crataegus brachyacantha Sargent & Engelmann USA: Texas Longview G. W. Letterman
A: 00139448 Crataegus brachyacantha Sargent & Engelmann USA: Texas G. W. Letterman 1882-8-19
GH: 01757467 Crataegus brachyacantha Sargent & Engelmann USA: Texas Wood Co. N.E. Texas G. W. Letterman 1882-8-20
GH: 01757468 Crataegus brachyacantha Sargent & Engelmann USA: Texas Hawkins G. W. Letterman 1882-8
A: 01757738 Crataegus calpodendron (Ehrhart) Medikus USA: Kansas Parsons G. W. Letterman 1880-7-10
A: 00016806 Crataegus collina lettermanii (Sargent) Eggleston USA: Missouri Allenton: G. W. Letterman
A: 00016807 Crataegus collina lettermanii (Sargent) Eggleston USA: Missouri Allenton: Brown's Gully G. W. Letterman
A: 00016808 Crataegus collina lettermanii (Sargent) Eggleston USA: Missouri Allenton: G. W. Letterman 1883-5
A: 00018063 Crataegus engelmannii Sargent USA: Missouri Allenton: G. W. Letterman 1883-5
A: 00018064 Crataegus engelmannii Sargent USA: Missouri Allenton: G. W. Letterman 1882-5
A: 00018065 Crataegus engelmannii Sargent USA: Missouri Allenton: G. W. Letterman 1882-5-20
A: 00018066 Crataegus engelmannii Sargent USA: Missouri Allenton: G. W. Letterman 1881-5-1
A: 00135326 Crataegus fecunda Sargent USA: Missouri Allenton: G. W. Letterman 29 1883-5
A: 00016807 Crataegus lettermanii Sargent USA: Missouri Allenton: Brown's Gully G. W. Letterman
A: 00016808 Crataegus lettermanii Sargent USA: Missouri Allenton: G. W. Letterman 1883-5
A: 00016806 Crataegus lettermanii Sargent USA: Missouri Allenton: G. W. Letterman
A: 01667611 Crataegus marshallii Eggleston USA: Arkansas Newport: [no additional data] G. W. Letterman 1881-5-10
A: 01667614 Crataegus marshallii Eggleston USA: Arkansas Prescott G. W. Letterman 1882-11
A: 01667626 Crataegus marshallii Eggleston USA: Arkansas [no additional data] G. W. Letterman 1899-10-23
A: 01667627 Crataegus marshallii Eggleston USA: Arkansas [no additional data] G. W. Letterman 1899-10-23
GH: 01667975 Crataegus mollis (Torrey & A. Gray) Scheele USA: Arkansas Newport: [no additional data] G. W. Letterman 1881-9-5
A: 01667986 Crataegus mollis (Torrey & A. Gray) Scheele USA: Arkansas Newport G. W. Letterman 1881-5-7
GH: 01648242 Crataegus spathulata Michaux USA: Arkansas Little Rock: [no additional data] G. W. Letterman 1884-5-9
GH: 01648243 Crataegus spathulata Michaux USA: Arkansas Little Rock: [no additional data] G. W. Letterman 1884-5-9
A: 01648246 Crataegus spathulata Michaux USA: Arkansas Texarkana: [no additional data] G. W. Letterman 1880-8-25
A: 01648247 Crataegus spathulata Michaux USA: Arkansas Hot Springs: [no additional data] G. W. Letterman
A: 01648251 Crataegus spathulata Michaux USA: Arkansas Prescott G. W. Letterman 1882-11
A: 01648252 Crataegus spathulata Michaux USA: Arkansas Arkadelphia G. W. Letterman 1884-5
A: 01648267 Crataegus spathulata Michaux USA: Arkansas Little Rock: [no additional data] G. W. Letterman 1884-5-9
GH: 01648282 Crataegus spathulata Michaux USA: Arkansas Hot Springs: [no additional data] G. W. Letterman 1879-7-29
GH: 01648409 Crataegus spathulata Michaux USA: Texas Loneview G. W. Letterman 1880-8-19
A: 01650140 Crataegus viridis Linnaeus USA: Arkansas Prescott. G. W. Letterman 1882-8
GH: 01650883 Crataegus viridis ovata (Sargent) E. J. Palmer USA: Arkansas [no additional data] G. W. Letterman
GH: 01569847 Potentilla plattensis Nuttall USA: Colorado East 4 Mile Creek G. W. Letterman
A: 01604254 Rubus deliciosus Torrey USA: Colorado Ute Pass near Manitou G. W. Letterman 199 1884-8-16
Rubiaceae
GH: 02140637 Galium virgatum Nuttall USA: Missouri Allenton: [data not captured] G. W. Letterman 1880-6-15
Rutaceae
A: 01584396 Ptelea trifoliata mollis Torrey & A. Gray USA: Texas San Antonio: [no additional data] G. W. Letterman 1882-7-28
A: 01684002 Zanthoxylum clava-herculis Linnaeus USA: Arkansas [data not captured] G. W. Letterman 1884-5-8
A: 01684165 Zanthoxylum hirsutum Buckley USA: Texas Austin: [no additional data] G. W. Letterman 37 1882-7-30
Sapindaceae
A: 01870182 Ungnadia speciosa Endlicher USA: Texas Dallas: [no additional data] G. W. Letterman 1882-8-16
Solanaceae
A: 01563086 Nicotiana glauca Graham USA: Texas Laredo: [no additional data] G. W. Letterman 1882-7-25
Verbenaceae
A: 01799707 Aloysia gratissima (Gillies & Hooker) Troncoso USA: Texas Austin: [no additional data] G. W. Letterman 1882-7-30
Zygophyllaceae
GH: 01787930 Kallstroemia parviflora Norton USA: Texas Dallas: [no additional data] G. W. Letterman 1882-7