Last modified: 17 August 2005
4126 Ramonda myconi
3652 Ranunculus lappaceus
1809 Ranunculus lingua
1250 Ranunculus lyallii
4125 Raoulia Lutescens
1515 Raphiolepis umbellata
3610 Raphiolepis umbellata ovata
1332 Raphiolepis x delacourii
5660 Rehderodendron macrocarpum
7890 Reineckia carnea
509 Rhamnus
1813 Rhamnus alaternus
8183 Rhamnus alaternus Argenteovariegata
4745 Rhamnus alpina
1480 Rhamnus californica
4101 Rhamnus parvifolia
539 Rhamnus purshiana
4821 Rhamnus ussoriensis
1814 Rhamnus utilis
8022 Rhaphoilepis Spring Time
1245 Rheum palmatum
8327 Rheum palmatum Atropurpureum
6981 Rhipsalidopsis rosea
441 Rhododendron
1801 Rhododendron Adelaide
1802 Rhododendron adenopodum
1803 Rhododendron Aladdin
981 Rhododendron albiflorum
1804 Rhododendron albrechtii
1805 Rhododendron Alice
8845 Rhododendron Alice Johnson
2365 Rhododendron Alpine Rose
6319 Rhododendron ambiguum
7372 Rhododendron America
7373 Rhododendron Ann Rose Whitney
3432 Rhododendron anny
6320 Rhododendron anthopogon
1807 Rhododendron arboreum roseum
3433 Rhododendron argenteum
1808 Rhododendron argyrophyllum
4948 Rhododendron aries
4346 Rhododendron arizelum
8844 Rhododendron Augfast
871 Rhododendron augustinii
894 Rhododendron auriculatum
4927 Rhododendron balfourianum
4455 Rhododendron balsaminiflorum
1798 Rhododendron Banzai
6324 Rhododendron barbatum
1799 Rhododendron Barclayi Robert Fox
3435 Rhododendron Bashful hybrid
1800 Rhododendron bellerophone
8434 Rhododendron Betty Wormald
3437 Rhododendron bibiani
6415 Rhododendron Blue Bird
5970 Rhododendron Blue Diamond
7953 Rhododendron Blue Ensign
5811 Rhododendron Blue Tit
5102 Rhododendron Bodnant Yellow
3440 Rhododendron Bow Bells
890 Rhododendron brachycarpum
4156 Rhododendron Bric a Brac
3442 Rhododendron Britannia
885 Rhododendron bullatum
3443 Rhododendron bureayi
3483 Rhododendron byperithrum x creast
6335 Rhododendron callimorphum
3444 Rhododendron calophytum
3445 Rhododendron calostrotum
6326 Rhododendron camelliiflorum
892 Rhododendron campanulatum
3446 Rhododendron campanulatum hybrid
6322 Rhododendron campylogynum
3449 Rhododendron cardio hybrid
1151 Rhododendron Carmen
3450 Rhododendron carolinianum
7374 Rhododendron Catawbiense Boursault
7375 Rhododendron Catawbiense Grandiflorus
6323 Rhododendron cephalanthum
3451 Rhododendron Chausen hybrid
812 Rhododendron chaysodoron
3452 Rhododendron chaysodoron x burmanicum
8711 Rhododendron Chink
1836 Rhododendron Christmas Cheer
1470 Rhododendron ciliatum
4408 Rhododendron ciliicalyx
1788 Rhododendron ciliicalyx Maddenii
1746 Rhododendron cilinense
8390 Rhododendron cilpenense
3453 Rhododendron cinnabarinum
2080 Rhododendron cinnabarinum Blandfordiiflorum
2838 Rhododendron clawicum
4221 Rhododendron concatenans
6414 Rhododendron cookeanum
1790 Rhododendron coriaceum
3454 Rhododendron Corry Koster
6886 Rhododendron Cosmopolitan
1440 Rhododendron Creeping Jenny
8550 Rhododendron Crest x hyperion
2790 Rhododendron crinigerum
1792 Rhododendron crinigerum Barbatum
7376 Rhododendron Cunninghams White
2124 Rhododendron cusmetum
4521 Rhododendron cvs.
3634 Rhododendron cvs. dwf.
7377 Rhododendron Cynthia
2755 Rhododendron dauricum
3456 Rhododendron dauricum davidsoniana
2839 Rhododendron davidsonianum
1793 Rhododendron davidsonianum triflorum
4944 Rhododendron dble.pink
1794 Rhododendron decorum
1795 Rhododendron degronianum
1796 Rhododendron delavayi
2797 Rhododendron desquamatum
1797 Rhododendron diaprepes
1776 Rhododendron diaprepes Fortunea
1777 Rhododendron discolor
3459 Rhododendron discolor hybrid
3460 Rhododendron Doc hybrid
3461 Rhododendron Dopey hybrid
7378 Rhododendron Dresselhuys
8792 Rhododendron dwarf
1778 Rhododendron Early Gem
3462 Rhododendron Early Red
1779 Rhododendron edgeworthii
3463 Rhododendron edgeworthii x ciliatum
4348 Rhododendron Elizabeth
1476 Rhododendron Emasculum
1781 Rhododendron Emasculum
5962 Rhododendron empeditum
3464 Rhododendron entelea arborescens
4440 Rhododendron eriogynum
4940 Rhododendron erosum
3465 Rhododendron erosum hybrid
1541 Rhododendron Esmeralda
1783 Rhododendron euchaites
4930 Rhododendron Exbury hybrids
1785 Rhododendron falconeri
3466 Rhododendron Fastuosum fl. pl.
1784 Rhododendron fedora
2370 Rhododendron ferrugineum
1786 Rhododendron fictolacteum
3468 Rhododendron fictolacteum wirrac
3469 Rhododendron fiesta hybrid
2231 Rhododendron flavidum Album
1787 Rhododendron fortunei
5636 Rhododendron Fragrantissimum
7952 Rhododendron Frill
7694 Rhododendron Furnivall's Daughter
1454 Rhododendron gandanense
3470 Rhododendron Garden Beauty
2798 Rhododendron gardis
3448 Rhododendron giganteum
1766 Rhododendron Gills Crimson
4986 Rhododendron glaucophyllum
3471 Rhododendron glischrum
7218 Rhododendron Glowing Ember
1441 Rhododendron Goblin
3472 Rhododendron Goldsworth Crimson
3473 Rhododendron Gomer Waterer
3474 Rhododendron griersonianum
1768 Rhododendron grievesii
7380 Rhododendron H.J. Rutyers
5984 Rhododendron haematodes
5886 Rhododendron halomoa
4350 Rhododendron hanceanum
3476 Rhododendron Happy hybrid
6437 Rhododendron Hatsurgiri
6585 Rhododendron Hawk Crest
3436 Rhododendron hellerophon
1434 Rhododendron hemitrichotum
3478 Rhododendron hemsleyanum
1442 Rhododendron Henry
3479 Rhododendron heppeides
1771 Rhododendron Hinodegiri
1769 Rhododendron Hinomayo
1770 Rhododendron hippophaeoides
987 Rhododendron hirsutum
3506 Rhododendron hitiense
3480 Rhododendron hodgsonii
3481 Rhododendron hofford
7381 Rhododendron Hollandia
3482 Rhododendron Hugh Koster
1472 Rhododendron Humming Bird
1773 Rhododendron hypalepidotum
4349 Rhododendron hypenanthum
3484 Rhododendron Idealist
1816 Rhododendron imgernii
1774 Rhododendron impeditum
895 Rhododendron impeditum Johnston's hybrid
3486 Rhododendron Impi
1775 Rhododendron indicum
3979 Rhododendron indicum Gumpo
4454 Rhododendron indicum Posaeflorum Balsamia
4456 Rhododendron indicum Rosae Florum
3510 Rhododendron inkinol
1752 Rhododendron irroratum
1753 Rhododendron Ivanhoe
4698 Rhododendron izayoi
1754 Rhododendron japonicum
1537 Rhododendron jernette
1755 Rhododendron John Cairns
5963 Rhododendron Johnstone's hybrid
3489 Rhododendron Joseph Hooper
1756 Rhododendron Josephine
4945 Rhododendron keiskei
3492 Rhododendron kervensis
3491 Rhododendron kewense
1757 Rhododendron Kirin
1730 Rhododendron Kurume azaleas
3493 Rhododendron Kurume Blaawo
3978 Rhododendron Kurume Pink
1758 Rhododendron Lady Alice Fitzwilliam
3936 Rhododendron Lady Berry
3494 Rhododendron Lady Bessborough
1759 Rhododendron Lady Bird
3495 Rhododendron Lady C.Mitford
3496 Rhododendron Lady Montagu
3497 Rhododendron lapponicum
1760 Rhododendron lapponicum x triflorum
6048 Rhododendron large white
5969 Rhododendron ledifolium
6817 Rhododendron Lee's dark purple
4985 Rhododendron lepidotum
1761 Rhododendron leucapsis
5787 Rhododendron lindleyi
1762 Rhododendron linearifolium
1763 Rhododendron linearifolium macrosepalum
2793 Rhododendron litiense
1764 Rhododendron litiense thompsonii
2128 Rhododendron Lochae
3507 Rhododendron Loderi
5989 Rhododendron Loderi Barbara
5968 Rhododendron Loderi hybrids
3508 Rhododendron Loderi Marshall
986 Rhododendron Loderi Sir James
7383 Rhododendron Lord Roberts
988 Rhododendron ludlowii
1738 Rhododendron lutescens
1739 Rhododendron luteum
1740 Rhododendron macabeanum
449 Rhododendron macrocarpum
1741 Rhododendron maddenii
4189 Rhododendron makinoi
1742 Rhododendron makinoi ponticum
1539 Rhododendron maluatica
1542 Rhododendron Marie
4276 Rhododendron mariesii
1543 Rhododendron Mary
1538 Rhododendron Maxwellii
1435 Rhododendron May Day
1468 Rhododendron megacalyx
6321 Rhododendron megeratum
1744 Rhododendron metternichii
1745 Rhododendron micranthum
4928 Rhododendron mitraria coccinea
2794 Rhododendron mokinoi
886 Rhododendron moupinense
7384 Rhododendron Mrs. den Ouden
3512 Rhododendron Mrs. Holford
7385 Rhododendron Mrs. J. Waterer
3513 Rhododendron Mrs. Lawbey
3514 Rhododendron Mrs. Leak
3516 Rhododendron Mrs. Randall Davidson
4425 Rhododendron Mucronatum
1747 Rhododendron mucronulatum
1748 Rhododendron myrtilloides
3517 Rhododendron N.N.Sherwood
4941 Rhododendron Navaho
3519 Rhododendron Nehru
1726 Rhododendron neriiflorum
1725 Rhododendron neriiflorum Euchaites
1727 Rhododendron neriiflorum phaedropum
7386 Rhododendron Nova Zembla
3520 Rhododendron nuttallii
4943 Rhododendron NZ seedling
3521 Rhododendron obtusum
1729 Rhododendron obtusum amoenum
7975 Rhododendron Orange Beauty
1731 Rhododendron orbiculare
2799 Rhododendron oreodoxa
1732 Rhododendron oreodoxa fortunei
5029 Rhododendron oreotrephes
1733 Rhododendron oreotrephes triflorum
4207 Rhododendron orfodola
3434 Rhododendron orizelum
8391 Rhododendron P.J. Mezitt
1734 Rhododendron Palestrina
1380 Rhododendron Peace
1735 Rhododendron pemakoense
1736 Rhododendron Penjerrick
891 Rhododendron phaeochrysum
3522 Rhododendron Pink Drift
7387 Rhododendron Pink Pearl
1737 Rhododendron Pink Treasure
1713 Rhododendron pogonostylum
1714 Rhododendron polylepis
1715 Rhododendron polylepis triflorum
1716 Rhododendron ponticum
6887 Rhododendron ponticum rosea
1717 Rhododendron ponticum Variegatum
1718 Rhododendron Praecox
453 Rhododendron praecox
4958 Rhododendron Princess Alice
2215 Rhododendron Princess Elizabeth
7389 Rhododendron Professor Zaaier
4190 Rhododendron prstigiatum
1152 Rhododendron pseudochrysanthum
1721 Rhododendron pubescens
8435 Rhododendron Purple Heart
955 Rhododendron Purple Splendour
1723 Rhododendron racemosum
5987 Rhododendron Red Gumpo
2225 Rhododendron Reno
1724 Rhododendron repens
452 Rhododendron rigidum
1700 Rhododendron Romany Chai
3528 Rhododendron Roseum Elegans
1469 Rhododendron Royal Flush
3530 Rhododendron rubiginosum
1701 Rhododendron rubina
8551 Rhododendron Sapphire
8436 Rhododendron Sappho
3532 Rhododendron sargentianum
1703 Rhododendron scabrifolium
4272 Rhododendron schlippenbachii
6333 Rhododendron scintillans
4448 Rhododendron scottianum
1443 Rhododendron selense
888 Rhododendron sibelius
1467 Rhododendron sickiense
5768 Rhododendron sidereum
3533 Rhododendron Silver Sixpence Hybrid
1708 Rhododendron simsii
5990 Rhododendron Sir James Hooper
3534 Rhododendron Sleepy hybrid
889 Rhododendron smirnowii
3536 Rhododendron Sneezy hybrid
1436 Rhododendron Song Bird
1710 Rhododendron sutchuenense
3539 Rhododendron Sweet Simplicity
4220 Rhododendron Temple Bells
1711 Rhododendron tephropeplum
1712 Rhododendron tephropeplum boothii
3540 Rhododendron thomsonii
7972 Rhododendron Thor
3541 Rhododendron Titian hybrid
985 Rhododendron Trewithen
1473 Rhododendron Trewithen Gold
3542 Rhododendron Trewthien hybrid
4984 Rhododendron trichocladum
454 Rhododendron triflorum
4270 Rhododendron triflorum yoananense
3543 Rhododendron Trumpet hybrid
6600 Rhododendron tsangpoense
6083 Rhododendron ungernii
3544 Rhododendron ungernii Trewithen Gold
813 Rhododendron valentinianum
989 Rhododendron vaseyi
4205 Rhododendron vellereum
1692 Rhododendron vilmoreanum
6325 Rhododendron vulfum
2800 Rhododendron wallichii
5765 Rhododendron wardii
3545 Rhododendron wardii Hybrid
5769 Rhododendron westrandii
1437 Rhododendron williamsianum
5880 Rhododendron Willy
5767 Rhododendron yakushimanum
7695 Rhododendron yakushimanum Golden Torch
7993 Rhododendron Yellow Hammer
1696 Rhododendron yunnanense
6436 Rhododendron zayoi
1698 Rhodotypos kerrioides
1039 Rhopalostylis sapida
4197 Rhus
738 Rhus cotinus
1675 Rhus cotinus atropurpurea
5339 Rhus Cotinus Notcutt's Variety
4981 Rhus cotinus Royal Purple
7272 Rhus punjabensis var. Sinica
5079 Rhus toxicodendron
1677 Rhus typhina
1678 Rhus typhina var. Laciniata
2143 Rhus verniciflua
3658 Ribes
540 Ribes alpinum
1680 Ribes alpinum Aureum
1683 Ribes laurifolium
1684 Ribes lobbii
1685 Ribes nigrum
8712 Ribes roseum Pulborough Scarlet
1686 Ribes sanguineum
6024 Ribes sanguineum Brocklebankii
1687 Ribes sanguineum carneum
1688 Ribes sanguineum King Edward VII
563 Ribes sanguineum Pulborough Scarlet
4260 Ricinus communis
5934 Robinia
1690 Robinia hispida
1817 Robinia luxurians
1818 Robinia pseudoacacia
3621 Robinia pseudoacacia Bessoniana
4525 Robinia pseudoacacia Frisia
1819 Rochea coccinea
4913 Rodgersia
1820 Romneya coulteri
4124 Romulea clusiana
2119 Romulea linaresii
2116 Romulea ramiflora
389 Rosa
7061 Rosa alpina
3895 Rosa Amy Robsart
1655 Rosa apinosissima
978 Rosa banksiae
2239 Rosa banksiae Lutea
1662 Rosa beggeriana
1663 Rosa bracteata
1123 Rosa brunonii
8528 Rosa canina
3884 Rosa Cantabrigiensis
4902 Rosa centifolia Muscosa
1665 Rosa chinensis
5224 Rosa chinensis Viridiflora
1666 Rosa eglanteria
1667 Rosa farreri
6308 Rosa farreri persetosa
1668 Rosa fedtschenkoana
4157 Rosa filipes
5250 Rosa foetida Persiana
1033 Rosa foliolosa
827 Rosa gigantea
1671 Rosa glauca
1489 Rosa hugonis
5732 Rosa laevigata
5733 Rosa laevigata cv.
1672 Rosa longicuspis
1673 Rosa marretii
1651 Rosa minutiflora
2741 Rosa moschata
1511 Rosa moyesii
1652 Rosa multiflora
1653 Rosa nutkana
7565 Rosa Pink Drift
8592 Rosa Red Bells
4739 Rosa roxburghii
6956 Rosa rubrifolia
1654 Rosa rugosa
8293 Rosa rugosa Blanc Double de Coubert
7168 Rosa rugosa Frau Dagmar Hastrup
7997 Rosa rugosa Hammarberg
7698 Rosa rugosa R.G. Grootendorst
7984 Rosa rugosa Roseraie de l'Hay
7169 Rosa rugosa Rubra
7139 Rosa rugosa Sarah van Fleet
3868 Rosa spinosissima
1656 Rosa spinosissima lutea
8660 Rosa St. Swithens
4759 Rosa sweginzowii
5526 Rosa tarreripersetosa
3727 Rosa turksica
1657 Rosa virginiana
1658 Rosa webbiana
1314 Rosa willmottiae
1118 Rosa willmottiae Haddens var.
6092 Rosa willmottiae Wisley form
4345 Rosa woodsii
1206 Roscoea alpina
1210 Roscoea cautleoides
1659 Rose Alberic Barbier
4019 Rose Alec's Red
6030 Rose Allgold
5173 Rose Aloha
4016 Rose Anne Cocker
3581 Rose Arthur Bell
3889 Rose Austrian Copper
7170 Rose Ballerina
8846 Rose Bingo
1660 Rose Cecile Brunner
6119 Rose clg. Albertine
6116 Rose clg. Aloha
6108 Rose clg. Compassion
6112 Rose clg. Copenhagen
5160 Rose clg. cv.
6107 Rose clg. Danse du Feu
6110 Rose clg. Dreaming Spires
6113 Rose clg. Excelsior
6114 Rose clg. Golden Showers
6115 Rose clg. Handel
6109 Rose clg. Rosy Mantle
6118 Rose clg. Spek's Yellow
6117 Rose clg. White Cockade
1208 Rose Conrad Ferdinand Meyer
4313 Rose Copper Delight
6522 Rose Coral Border
3624 Rose cvs.
5023 Rose cvs.dwf.
6535 Rose Duke of Windsor
6900 Rose Essex
8787 Rose Evelyn Fison
6716 Rose Eye Paint
6589 Rose filipes
8714 Rose Flower Carpet
8872 Rose Fragrant Cloud
7750 Rose Francine Austin
6310 Rose Fruhlingsgold
4018 Rose Gaujard
4333 Rose Golden Showers
4359 Rose Goldilocks
8643 Rose Graham Thomas
1117 Rose Grootendorst
6028 Rose Guinee
8295 Rose Gwent
3584 Rose Hannah Gordon
7568 Rose Heritage
7751 Rose Heritage
8204 Rose High Hopes
8871 Rose High Noon
826 Rose Himalayan Musk
7988 Rose Iceberg
1120 Rose J.Cairns
7752 Rose Jane Austin
8361 Rose Jane Austin
4015 Rose Korresia
7567 Rose L.D. Braithwaite
7275 Rose Lady Waterlow
388 Rose Little White Pet
1661 Rose Lord Penzance
4357 Rose Ma Perkins
6655 Rose Maigold
6717 Rose Margaret Merril
6521 Rose Masquerade
6901 Rose Max Graf
2679 Rose Mermaid
4386 Rose Mme. Alfred Carriere
3897 Rose Moss Pink
6653 Rose Mrs. Sam McGredy
3582 Rose National Trust
7963 Rose Nevada
8491 Rose Norfolk
8329 Rose Northamptonshire
6902 Rose Nozomi
1200 Rose Old Moss Pink
1122 Rose Orange Beauty
6729 Rose Papa Meilland
4017 Rose Pascali
8642 Rose Pat Austin
7167 Rose Paulii
7754 Rose Perdita
7964 Rose Perle d'Or
1119 Rose Picard
4020 Rose Pink Favourite
8564 Rose Pink Grootendorst
4013 Rose Pink Parfait
3580 Rose Polar Star
7828 Rose Red Bells
7914 Rose Romance
7990 Rose Rose Gaujard
6031 Rose Rosy Mantle
7915 Rose Royal Occasion
6029 Rose Schoolgirl
8639 Rose Shareefa Asma
7564 Rose Snow Carpet
4014 Rose Southampton
7928 Rose Spirit of Youth
8635 Rose Sporting Duo
8644 Rose St. Cecilia
8640 Rose St. Swithun
7699 Rose Suffolk
8294 Rose Sussex
7566 Rose Swany
4360 Rose tabarin
8011 Rose The Seckford Rose
8641 Rose Tradescant
4358 Rose United Nations
4332 Rose Virgo
3583 Rose Wendy Cussons
8330 Rose White Bells
6611 Rose White Cockade
7093 Rose White Meidiland
2912 Rose William Lobb
1121 Rose Willy
8328 Rose Wiltshire
6044 Rose Youki San
5525 Rose Zephirine Drouhin
343 Rosmarinus
5266 Rosmarinus corsicus
1641 Rosmarinus lavandulaceus
755 Rosmarinus officinalis
7171 Rosmarinus officinalis Benenden Blue
2818 Rosmarinus Prostratus
847 Rosmarinus Severn Seas
8529 Rosmarius officinalis "Miss Jessops Variety"
2812 Rubus
8374 Rubus Benendon
8780 Rubus Betty Ashburner
2194 Rubus calycinoides
1645 Rubus cockburnianus
1646 Rubus odoratus
7700 Rubus thibetanus Silver Fern
1647 Rubus tricolor
435 Rubus x Tridel
5723 Ruscus
1649 Ruscus aculeatus
5881 Ruscus hypoglossum
7307 Ruscus hypophyllum
6280 Ruscus racemosa
445 Ruta graveolens
7172 Ruta graveolens Jackman's Blue