| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Rhododendron canadense (L.) Torr. | K. K. Mackenzie 6933 30 May 1916 | United States of America. New Jersey. 2/3 m. north of leonia. |  | ||
| Rhododendron atlanticum (Ashe) Rehder | B. H. Long 54440 02 Jun 1940 | United States of America. New Jersey. Cumberland Co. Along Shaw Branch Seeley. |  | ||
| Rhododendron atlanticum (Ashe) Rehder | B. H. Long 48590 31 May 1936 | United States of America. New Jersey. Cumberland Co. Along Shaw Branch of Cohansey Creek, N. W. Bridgeton. |  | ||
| Rhododendron roseum Loisel. & Rehder | D. B. Snyder 695-2RU 23 May 1980 | United States of America. New Jersey. Sussex Co. Sun Rise Mountain. |  | ||
| Rhododendron roseum Loisel. & Rehder | J. W. Adams 1540 with M. L. T. Adams & E. T. Wherry., 15 Jul 1934 | United States of America. New Jersey. Sussex Co. Along N.Y. , S. & W. R. R. 1 to 2 mi. n. of Sparta. |  | ||
| Rhododendron roseum Loisel. & Rehder | N. L. Britton 05 Jul 1890 | United States of America. New Jersey. Sussex Co. High Point. |  | ||
| Rhododendron roseum Loisel. & Rehder | B. C. Blackburn 15 Jun 1948 | United States of America. New Jersey. Sussex Co. High Point State Park. |  | ||
| Rhododendron canadense (L.) Torr. | W. B. G. Mitchell 14 May 1932 | United States of America. New Jersey. Middlesex Co. One specimen in boggy thicket, So. Washington Ave. Newmarket. |  | ||
| Rhododendron roseum Loisel. & Rehder | J. A. Small 22 May 1960 | United States of America. New Jersey. Warren Co. Paraquarry twp. Along Appalachian Trail 1/2 mile. n. of Millbrook road.. |  | ||
| Rhododendron canadense (L.) Torr. | T. C. Porter 12 May 1881 | United States of America. New Jersey. Morris Co. Succasunna. |  | ||
| Rhododendron canadense (L.) Torr. | K. K. Mackenzie 29 May 1920 | United States of America. New Jersey. Sussex Co. South of Long Pond. |  | ||
| Rhododendron arborescens (Pursh) Torr. | Collector unknown s.n. 05 Jun 1937 |  | |||
| Rhododendron canadense (L.) Torr. | Collector unknown s.n. 05 May 1937 |  | |||
| Rhododendron calendulaceum (Michx.) Torr. | Collector unknown s.n. May 1937 |  | |||
| Rhododendron arborescens (Pursh) Torr. | R. W. Powell with Melissa Jones, 07 Jul 1968 | United States of America. North Carolina. Yancey Co. south Toe River about 1/2 mi. downstream from Sevenmile ridge road bridge, Celo community. |  | ||
| Rhododendron arborescens (Pursh) Torr. | A. MacElwee 27 Jun 1899 | United States of America. Pennsylvania. McCall's Ferry [a.k.a. McCall's Ferry Farm, on McCall's Ferry Rd., Lower Chanceford Township.]. |  | ||
| Rhododendron arborescens (Pursh) Torr. | B. C. Blackburn 21 Oct 1948 | United States of America. New Jersey. Middlesex Co. New Brunswick. Azalea garden, Hort. Farm, Rutgers U. |  | ||
| Rhododendron arborescens (Pursh) Torr. | B. C. Blackburn 09 Oct 1947 | United States of America. Massachusetts. Arnold Arboretum. |  | ||
| Rhododendron albiflorum Hook. | D. W. Lee 21 Jun 1963 | United States of America. Washington. Chelan Co. Mt Azalea. |  | ||
| Rhododendron albiflorum Hook. | D. W. Lee 02 Sep 1965 | United States of America. Washington. Chelan Co. Mt Azalea. |  | ||
| Rhododendron alticolum Sleumer | B. F. Palser 84-40 27 Aug 1984 | Papua New Guinea. Eastern Highlands. At lookout Point (2450 m )., in Gahavisuka Prov. Park near Goroka. |  | ||
| Rhododendron arborescens (Pursh) Torr. | B. C. Blackburn 19 Jun 1941 | United States of America. Tennessee. Codes Cove, Great Smoky Nat. Park. |  | ||
| Rhododendron arborescens (Pursh) Torr. | B. C. Blackburn 19 Jun 1941 | United States of America. Tennessee. Codes Cove, Great Smoky Nat. Park. |  | ||
| Rhododendron anthopogon Balf.f. | B. F. Palser 19 Jul 1972 | India. Collected in three places. This is probably from Yehmer Pass. |  | ||
| Rhododendron arboreum Sm. | B. F. Palser Apr 1974 | India. Mussoorie. |  | ||
| Rhododendron arbutifolium Blackburn | B. C. Blackburn Nov 1947 | United States of America. New Jersey. Middlesex Co. New Brunswick. Rutgers University Rhododendron Garden. |  | ||
| Rhododendron aurigenarum Sleumer | B. F. Palser 84-12 18 Aug 1984 | Papua New Guinea. Morobe. At Zenag on Lae to Wau road before reaching Bulolo. Site of type collection. |  | ||
| Rhododendron aurigenarum Sleumer | B. F. Palser 84-14 18 Aug 1984 | Papua New Guinea. Morobe. In Bulolo area. Along road to Manki tower in two areas close to one another. |  | ||
| Rhododendron bainbridgeanum Tagg & Forrest | B. F. Palser 57 10 Apr 1971 | United States of America. Oregon. Cecil C. Smith's garden. Aurora. |  | ||
| Rhododendron barbatum Wall. ex Don | E. E. Manley 03 Apr 1971 | United States of America. Oregon. Lane Co. Near Vida. |  | ||
| Rhododendron barbatum Wall. ex Don | B. F. Palser 05 Feb 1971 | United States of America. Oregon. Cecil C. Smith's garden. Aurora. |  | ||
| Rhododendron baxifolium Hook.f. | D. W. Lee 40 11 May 1973 | Malaysia. Sabah. Mt. Kinabalu. |  | ||
| Rhododendron baxifolium Hook.f. | D. W. Lee 55 11 May 1973 | Malaysia. Sabah. Mt. Kinabalu. |  | ||
| Rhododendron calendulaceum (Michx.) Torr. | S. Fauer 22 Mar 1974 | United States of America. Georgia. Bryan Co. Three sisters ferry on the savannah river. |  | ||
| Rhododendron calendulaceum (Michx.) Torr. | B. C. Blackburn 29 May 1948 | United States of America. New Jersey. Middlesex Co. New Brunswick. Azalea garden, Hort. Farm, Rutgers U. |  | ||
| Rhododendron calendulaceum (Michx.) Torr. | B. C. Blackburn 194? | United States of America. New Jersey. Somerset Co. Gladstone, Willowood estate. |  | ||
| Rhododendron calendulaceum (Michx.) Torr. | B. F. Palser s.n. 25 May 1984 | United States of America. New Jersey. Somerset Co. In yard at 18 Charlotte Dr., Bridgewater. |  | ||
| Rhododendron calendulaceum (Michx.) Torr. | B. C. Blackburn 23 Aug 1947 | United States of America. New Jersey. Somerset Co. Gladstone, Willowood estate. |  | ||
| Rhododendron calendulaceum (Michx.) Torr. | A. Cuthbert Apr 1881 | United States of America. Georgia. Augusta. |  | ||
| Rhododendron calendulaceum (Michx.) Torr. | R. C. Dunton 26 Apr 1967 | United States of America. North Carolina. Buncombe Co. Warren Wilson College Forest Area 7, Swannanoa. |  |
