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Species of Rhododendron L. sect. Pentanthera

All
Accepted Names
Exclude infraspecific names

NameAccepted Nameai
Rhododendron alabamense Rehder  a 
Rhododendron arborescens (Pursh) Torr.  a 
Rhododendron atlanticum (Ashe) Rehder  a 
Rhododendron austrinum (Small) Rehder  a 
Rhododendron calendulaceum (Michx.) Torr.  a 
Rhododendron canadense (L.) Torr.  a 
Rhododendron canescens (Michx.) Sweet  a 
Rhododendron canescens (Michx.) Sweet var. candidum (Small) Rehder Rhododendron canescens (Michx.) Sweet  i
Rhododendron cumberlandense E. L. Braun  a 
Rhododendron flammeum (Michx.) Sarg.  a 
Rhododendron flavum G. Don Rhododendron luteum Sweet   
Rhododendron japonicum (A. Gray) J. V. Suringar Rhododendron molle (Blume) G. Don subsp. japonicum (A. Gray) Kron   
Rhododendron japonicum (A. Gray) J. V. Suringar var. glaucophyllum H. Hara ex Ohwi, nom. inval. Rhododendron molle (Blume) G. Don subsp. japonicum (A. Gray) Kron  i
Rhododendron kosterianum C. K. Schneid.  a 
Rhododendron luteum Sweet  a 
Rhododendron molle (Blume) G. Don  a 
Rhododendron molle (Blume) G. Don subsp. japonicum (A. Gray) Kron  ai
Rhododendron molle (Blume) G. Don subsp. molle  ai
Rhododendron nudiflorum Torr. Rhododendron periclymenoides (Michx.) Shinners   
Rhododendron nudiflorum Torr. f. glandiferum (Porter) FernaldRhododendron periclymenoides (Michx.) Shinners  i
Rhododendron oblongifolium (Small) Millais Rhododendron viscosum (L.) Torr.   
Rhododendron occidentale (Torr. & A. Gray) A. Gray  a 
Rhododendron periclymenoides (Michx.) Shinners  a 
Rhododendron prinophyllum (Small) Millais  a 
Rhododendron prunifolium (Small) Millais  a 
Rhododendron roseum auct. Rhododendron prinophyllum (Small) Millais   
Rhododendron roseum Rehder Rhododendron canescens (Michx.) Sweet   
Rhododendron viscosum (L.) Torr.  a 
Rhododendron viscosum (L.) Torr. f. rhodanthum RehderRhododendron viscosum (L.) Torr.  i
Rhododendron viscosum (L.) Torr. var. glaucum Torr. Rhododendron viscosum (L.) Torr.  i
Rhododendron viscosum (L.) Torr. var. nitidum (Pursh) A. Gray Rhododendron viscosum (L.) Torr.  i
  1. Rhododendron alabamense Rehder
  2. Rhododendron arborescens (Pursh) Torr.
  3. Rhododendron atlanticum (Ashe) Rehder
  4. Rhododendron austrinum (Small) Rehder
  5. Rhododendron calendulaceum (Michx.) Torr.
  6. Rhododendron canadense (L.) Torr.
  7. Rhododendron canescens (Michx.) Sweet
  8. Rhododendron canescens (Michx.) Sweet var. candidum (Small) Rehder (=Rhododendron canescens (Michx.) Sweet)
  9. Rhododendron cumberlandense E. L. Braun
  10. Rhododendron flammeum (Michx.) Sarg.
  11. Rhododendron flavum G. Don (=Rhododendron luteum Sweet)
  12. Rhododendron japonicum (A. Gray) J. V. Suringar (=Rhododendron molle (Blume) G. Don subsp. japonicum (A. Gray) Kron)
  13. Rhododendron japonicum (A. Gray) J. V. Suringar var. glaucophyllum H. Hara ex Ohwi, nom. inval. (=Rhododendron molle (Blume) G. Don subsp. japonicum (A. Gray) Kron)
  14. Rhododendron kosterianum C. K. Schneid.
  15. Rhododendron luteum Sweet
  16. Rhododendron molle (Blume) G. Don
  17. Rhododendron molle (Blume) G. Don subsp. japonicum (A. Gray) Kron
  18. Rhododendron molle (Blume) G. Don subsp. molle
  19. Rhododendron nudiflorum Torr. (=Rhododendron periclymenoides (Michx.) Shinners)
  20. Rhododendron nudiflorum Torr. f. glandiferum (Porter) Fernald (=Rhododendron periclymenoides (Michx.) Shinners)
  21. Rhododendron oblongifolium (Small) Millais (=Rhododendron viscosum (L.) Torr.)
  22. Rhododendron occidentale (Torr. & A. Gray) A. Gray
  23. Rhododendron periclymenoides (Michx.) Shinners
  24. Rhododendron prinophyllum (Small) Millais
  25. Rhododendron prunifolium (Small) Millais
  26. Rhododendron roseum Rehder (=Rhododendron canescens (Michx.) Sweet)
  27. Rhododendron roseum auct. (=Rhododendron prinophyllum (Small) Millais)
  28. Rhododendron viscosum (L.) Torr.
  29. Rhododendron viscosum (L.) Torr. f. rhodanthum Rehder (=Rhododendron viscosum (L.) Torr.)
  30. Rhododendron viscosum (L.) Torr. var. glaucum Torr. (=Rhododendron viscosum (L.) Torr.)
  31. Rhododendron viscosum (L.) Torr. var. nitidum (Pursh) A. Gray (=Rhododendron viscosum (L.) Torr.)


NGBT Plant Germplasm System Distribution Policy

Plant germplasm is distributed to scientists, educators, producers and other bona fide research and education entities from National genebank of Tunisia active collection sites. The NGBT Curator and/or Research Leader will, in accordance with current NPGS policies and procedures, determine the legitimacy of a request when necessary.

Distributions to fulfill requests for repatriation of subsamples of germplasm collections to a country or community of origin, especially following natural or man-made catastrophes, are considered a high priority.

Although distributions for research, education, and repatriation are of the highest priority, the NPGS also encourages various seed-saver organizations and public gardens to conduct germplasm conservation activities that engage many individuals and groups throughout the country. Elements of the NPGS cooperate with seed-saver organizations and public gardens and may store germplasm for and distribute germplasm to such organizations.

Distribution of germplasm from NPGS collections to fulfill requests from individuals seeking free germplasm strictly for home use is generally considered an inappropriate use of limited resources and conflicts with U.S. Government policy of not competing with commercial enterprises. Requestors can be asked, in an appropriate manner, to justify the use of specific NPGS germplasm instead of suitable commercially available germplasm.

Accessions listed in the Germplasm Resources Information Network (GRIN) database as “not available” due to insufficient or low viability seed and/or scheduled for regeneration will generally not be available for distribution.

Other accessions are listed in GRIN as “not available” because they are not a part of the NPGS collection per se, but are conserved in NPGS genebanks to meet specific needs as described later in the section entitled “Categories of Germplasm Distributed and Availability.” In this category are certain accessions of improved germplasm that are only available from the owner/developer. Other accessions require that specific conditions be met by the requestor before distribution is possible.

NPGS sites will not distribute germplasm internationally when they cannot comply with the importation or quarantine requirements of the recipient country unless the requestor can provide a valid waiver of such requirements.