Skip to main content
FACULTY OF ARTS AND SCIENCES
|
HARVARD.EDU
Harvard University Herbaria & Libraries
Contact
Visit
Databases
Search
Collections
Herbaria
Digital Resources
Use Policies
Research
Taxonomy
Floristics & Monography
Plant & Fungal Phylogenetics
Paleobotany
Plant Speciation and Local Adaptation
Forest Ecosystem Carbon Dynamics
Publications
About HPB
Orders & Access
For Authors
Libraries
Libraries' Collections
Harvard's Online Library Catalog (HOLLIS)
Archives Collections
Digital Collections
Use of the Libraries
Hours
Resources
Services
Permissions
Libraries Staff
Online Exhibits
News & Events
News
Events
People
About
Visit
Contact
History
Search Hints
Use Policy
Botanists
Publications
Specimens
Images
Taxa
Hu Cards
ECON Artifacts
Contribute
Comments
Index of Botanical Specimens
Search for collector:[J. W. Helfer]
= with images
<<
< Previous
Ancistrocladaceae
GH: 00013403
Ancistrocladus attenuatus
Dyer Myanmar: Tenasserim J. W. Helfer
Apocynaceae
A: 02115049
Chonemorpha verrucosa
(Blume) D. J. Middleton India: in Bengalia circa Calcuttam J. W. Helfer 1836
A: 02115579
Epigynum griffithianum
Wight India: Hab. in Bengalia circa Calcuttam J. W. Helfer 1836
A: 02382819
Pottsia laxiflora
(Blume) Kuntze India: West Bengal India orientalis, in Bengalia circa Calcutta... J. W. Helfer 1836
Aspidiaceae
A: 00021792
Polybotrya helferiana
Kunze India: In Bengalia circa Calcuttam J. W. Helfer 1836
Brassicaceae
GH: 00971860
Pteroloma triquetrum
Bentham Myanmar: Tenasserim and Andaamans J. W. Helfer 1648
Caesalpiniaceae
GH: 00059775
Bauhinia diptera
Blume ex Miquel India: Tenasserim and Andamans J. W. Helfer 1880 1861
GH: 00059775
Bauhinia glabrifolia maritima
K. Larsen & S. S. Larsen India: Tenasserim and Andamans J. W. Helfer 1880 1861
GH: 00059775
Phanera sp.
India: Tenasserim and Andamans J. W. Helfer 1880 1861
Casuarinaceae
GH: 02245685
Casuarina equisetifolia
Linnaeus : India (Accession): Tenasserim and Andamans. J. W. Helfer 49851
Connaraceae
GH: 00046982
Ellipanthus helferi
Hooker f. India: Tenasserim and Andamans J. W. Helfer 1251
Cucurbitaceae
GH: 00251566
Gymnopetalum chinense
(Loureiro) Merrill India: West Bengal Kolkata: Circa Calcuttam J. W. Helfer 36 1836
GH: 00251572
Gymnopetalum chinense
(Loureiro) Merrill India: West Bengal Bot. Gardens of Calcutta and Serampore J. W. Helfer 1834
GH: 00251566
Trichosanthes costata
Blume India: West Bengal Kolkata: Circa Calcuttam J. W. Helfer 36 1836
GH: 00251572
Trichosanthes costata
Blume India: West Bengal Bot. Gardens of Calcutta and Serampore J. W. Helfer 1834
GH: 00261580
Zehneria indica
(Loureiro) Keraudren India: West Bengal Kolkata: In Bengalia circa Calcuttam J. W. Helfer 1836
Cyperaceae
GH: 02261324
Cyperus cyperoides
(Linnaeus) Kuntze India: West Bengal Kolkata: [data not captured] J. W. Helfer 164 1836
Davalliaceae
GH: 02507881
Davallia divaricata
Blume Malaysia: Semenanjung Malaysia: [no additional data] J. W. Helfer
Dipterocarpaceae
GH: 00872318
Hopea helferi
(Dyer) Brandis Myanmar: Tenasserim and Andamans [protologue: "Mergui... J. W. Helfer 716/1
GH: 00872318
Shorea sp.
Myanmar: Tenasserim and Andamans [protologue: "Mergui... J. W. Helfer 716/1
GH: 00135199
Vatica faginea
Dyer Myanmar: Tenasserim [Mergui] J. W. Helfer 717
GH: 00014582
Vatica faginea
Dyer Myanmar: Tenasserim [Mergui] J. W. Helfer 716/x
GH: 00135200
Vatica faginea
Dyer Myanmar: Tenasserim [Mergui] J. W. Helfer 718/x
GH: 00872318
Vatica helferi
Dyer Myanmar: Tenasserim and Andamans [protologue: "Mergui... J. W. Helfer 716/1
GH: 00135199
Vatica odorata odorata
Myanmar: Tenasserim [Mergui] J. W. Helfer 717
GH: 00014582
Vatica odorata odorata
Myanmar: Tenasserim [Mergui] J. W. Helfer 716/x
GH: 00135200
Vatica odorata odorata
Myanmar: Tenasserim [Mergui] J. W. Helfer 718/x
Dryopteridaceae
A: 00021792
Bolbitis appendiculata
(Willdenow) K. Iwatsuki India: In Bengalia circa Calcuttam J. W. Helfer 1836
Elaeocarpaceae
GH: 01830172
Elaeocarpus griffithii
(Wight) A. Gray : Asia: Tenasserim and Andamans. J. W. Helfer 714
Euphorbiaceae
GH: 00095533
Agrostistachys indica
Dalzell : India: Tenasserim and Andamans J. W. Helfer 4921
GH: 00095533
Agrostistachys indica longifolia
Müller Argoviensis : India: Tenasserim and Andamans J. W. Helfer 4921
GH: 00095533
Agrostistachys indica subintegra
Pax & K. Hoffmann : India: Tenasserim and Andamans J. W. Helfer 4921
GH: 00095533
Agrostistachys sp.
: India: Tenasserim and Andamans J. W. Helfer 4921
GH: 00257853
Bridelia sp.
India: Tenasserim and Andamans J. W. Helfer
A: 00048376
Mallotus helferi
Müller Argoviensis India: India orientalis, in Bengalia circa Calcutta... J. W. Helfer 181 1836
A: 00048376
Mallotus peltatus
(Geiseler) Müller Arg. India: India orientalis, in Bengalia circa Calcutta... J. W. Helfer 181 1836
Fabaceae
GH: 00971860
Tadehagi ademae
H. Ohashi Myanmar: Tenasserim and Andaamans J. W. Helfer 1648
GH: 00971860
Tadehagi auriculatum
(de Candolle) H. Ohashi Myanmar: Tenasserim and Andaamans J. W. Helfer 1648
Hydrocharitaceae
GH: 00255430
Blyxa
India: West Bengal Kolkata: Hab. in Bengalia circa Calcuttam J. W. Helfer 1936-8-13
GH: 00255430
Vallisneria
Linnaeus India: West Bengal Kolkata: Hab. in Bengalia circa Calcuttam J. W. Helfer 1936-8-13
GH: 00255430
Vallisneria spiralis
Linnaeus India: West Bengal Kolkata: Hab. in Bengalia circa Calcuttam J. W. Helfer 1936-8-13
Lentibulariaceae
GH: 01977183
Utricularia uliginosa
Vahl Myanmar: Tenasserim and Andamans. J. W. Helfer 4078 1862
Lythraceae
A: 00003403
Lagerstroemia tomentosa
C. Presl Myanmar: Moulmein J. W. Helfer 30 1837-11
A: 00003404
Lagerstroemia tomentosa
C. Presl Myanmar: Moulmein J. W. Helfer 257 1837-11
GH: 00003405
Lagerstroemia tomentosa
C. Presl Myanmar: Moulmein J. W. Helfer 257 1837-11
Melastomataceae
GH: 00071657
Allomorphia umbellata
Hooker f. ex Triana India: Tenasserim and Andamans J. W. Helfer 2260
GH: 00072607
Memecylon grande merguica
C. B. Clarke : Asia: Tenasserim [Myanmar] and Andamans [Ind... J. W. Helfer 2331
GH: 00071657
Oxyspora umbellata
(Hooker f. ex Triana) J. F. Maxwell India: Tenasserim and Andamans J. W. Helfer 2260
Myrsinaceae
GH: 00106617
Ardisia helferiana
Kurz Myanmar: Tenasserim J. W. Helfer 3589
GH: 00025248
Ardisia insularis
Mez : J. W. Helfer 3580
Myrtaceae
GH: 00069438
Eugenia pellucida
Duthie Myanmar: Tenasserim J. W. Helfer 2406
GH: 02425645
Syzygium zeylanicum
(Linnaeus) de Candolle : Southeast Asia: Tenasserim and Andamans. J. W. Helfer 2365
Opiliaceae
GH: 00035919
Cansjera helferiana
Valeton Myanmar: Tenasserim J. W. Helfer
GH: 00035919
Cansjera parviflora
Kurz Myanmar: Tenasserim J. W. Helfer
GH: 00035918
Cansjera parviflora
Kurz Myanmar: Tenasserim J. W. Helfer
Orchidaceae
AMES: 02386396
Bulbophyllum odoratissimum
(Smith) Lindley India: West Bengal India orientalis, in Bengalia circa Calcutta... J. W. Helfer 1836
AMES: 00099637
Gymnadenia helferi
H. G. Reichenbach India: Bangalia circa Calcuttam J. W. Helfer 137 1836
AMES: 00099636
Gymnadenia helferi
H. G. Reichenbach India: Bangalia circa Calcuttam J. W. Helfer 137 1836
Phyllanthaceae
GH: 00062369
Cleistanthus helferi
Hooker f. India: J. W. Helfer 4886
GH: 00257853
Cleistanthus helferi
Hooker f. India: Tenasserim and Andamans J. W. Helfer
Piperaceae
GH: 01936242
Piper peepuloides
Roxburgh India: Tenasserim and Andamans J. W. Helfer 4411
GH: 01936443
Piper sp.
India: Tenasserim and Andamans J. W. Helfer 4425
Plantaginaceae
GH: 00078608
Limnophila helferi
Hooker f. Myanmar: Tenasserim J. W. Helfer 3942
Rosaceae
GH: 00032458
Pygeum capitellatum
Hooker f. Myanmar: Tenasserim J. W. Helfer 2053
Rubiaceae
A: 00094989
Aulacodiscus premnoides
Hooker f. : India: Tenasserim and Andamans J. W. Helfer 2938
GH: 00518607
Hedyotis helferi
Hooker f. : India: Tenasserim [Myanmar] and Andamans [In... J. W. Helfer 2909
GH: 00518607
Hedyotis sp.
: India: Tenasserim [Myanmar] and Andamans [In... J. W. Helfer 2909
GH: 00518607
Oldenlandia helferi
(Hooker f.) Kuntze : India: Tenasserim [Myanmar] and Andamans [In... J. W. Helfer 2909
A: 00094989
Pleiocarpidia enneandra
(Wight) K. Schumann : India: Tenasserim and Andamans J. W. Helfer 2938
GH: 00094793
Wendlandia glomerulata
Kurz Myanmar: Tenasserim and Andamans [Tenasserim River, M... J. W. Helfer 2838
Rutaceae
GH: 00105586
Maclurodendron porteri
(Hooker f.) T. G. Hartley India: Tenasserim and Andamans J. W. Helfer 1192
GH: 00105586
Melicope heliferi
Hooker f. India: Tenasserim and Andamans J. W. Helfer 1192
Sapindaceae
GH: 00050759
Guioa diplopetala
(Hasskarl) Radlkofer India: Tenasserim or the Andamans J. W. Helfer 993
GH: 00050762
Guioa diplopetala
(Hasskarl) Radlkofer India: Tenasserim or the Andamans J. W. Helfer 983
GH: 00050759
Guioa fuscidula
Kurz India: Tenasserim or the Andamans J. W. Helfer 993
GH: 00050762
Guioa squamosa lineolato-punctata
Radlkofer India: Tenasserim or the Andamans J. W. Helfer 983
GH: 00051020
Xerospermum intermedium
Radlkofer India: Tenasserim or Andaman Islands J. W. Helfer 1005
Symplocaceae
GH: 00078082
Symplocos leiostachya
Kurz Myanmar: Tenasserim J. W. Helfer 3656
Tiliaceae
GH: 00052282
Brownlowia helferiana
Pierre India: Tenasserim and Andamans J. W. Helfer 624
<<
< Previous