Insamlingsexpeditioner

2004/2019 – Ken Cox in Sweden – Rhododendron tsinlingense in Taibai Shan
2004/2019 – Ken Cox in Sweden – Rhododendron tsinlingense in Taibai Shan 943 1024 Sten Ridderlöf
2004 – TAIBAI SHAN – an Eldorado for some HARDY & RARE RHODODENDRONS
2004 – TAIBAI SHAN – an Eldorado for some HARDY & RARE RHODODENDRONS 827 1024 Sten Ridderlöf
2004 – Alnarp – Swedish Rhododendron Society – Travel to Taibai Shan Chaanxi China June 2004
2004 – Alnarp – Swedish Rhododendron Society – Travel to Taibai Shan Chaanxi China June 2004 778 1024 Sten Ridderlöf
2000 – Patagonia, Argentina Chile
2000 – Patagonia, Argentina Chile 310 202 Sten Ridderlöf
2000 – Kuril Islands (Kunashir), Sakhalin, Primorsky Krai (Lake Khanka) Russian Far East
2000 – Kuril Islands (Kunashir), Sakhalin, Primorsky Krai (Lake Khanka) Russian Far East 709 1024 Sten Ridderlöf

KUNASHIR – First western dendrological expedition to south KURIL ISLANDS, RUSSIA 2000

1998 – New Zeeland South Island
1998 – New Zeeland South Island 802 1024 Sten Ridderlöf
1997 – Primorsky Krai Russian Far East
1997 – Primorsky Krai Russian Far East 1024 656 Sten Ridderlöf
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