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Smithsonian Institution, National Cleared Leaf Collection - Wolfe (NCLC-W)

Cleared leaf images currently displayed by ClearedLeavesDB are of specimens cleared and stained under the direction of Jack A. Wolfe, U. S. Geological Survey.

The collection contains over 14,000 leaves. The largest number of specimens in NCLC-W (7,460) were obtained from the University of California Herbarium at University of California Berkeley. Other contributing herbaria providing large numbers of specimens include the California Academy of Sciences (2,375), Arnold Arboretum, Harvard University (1,294), Missouri Botanical Garden (1,184), New York Botanical Garden (507), Field Museum of Natural History (388) and the National Herbarium of the Smithsonian Institution (172). When available we have provided the herbarium code and number for the sheet from which the cleared leaf was removed, and this number should be cited whenever possible.

Slides were photographed by Dane Miller, Erika Gonzalez, Ian Tom, Stephanie Bailey, and many volunteers at the Smithsonian Institution.

Collection Licenses: 

Smithsonian Licenses

Images of NCLC-W specimens can be used for private, education, research or other non-commercial purposes for free, provided that the source and the copyright holder are cited. Any commercial use requires consent of the Smithsonian Institution.

All Images in Collection

10392.jpg 2,755 hits.
3607.jpg 1,083 hits.
8730.jpg 978 hits.
10353.jpg 946 hits.
11369.jpg 926 hits.
8466.jpg 903 hits.
2299.jpg 810 hits.
30400B.jpg 800 hits.
15186A.jpg 790 hits.
2874.jpg 785 hits.
1064B.jpg 777 hits.
8388.jpg 774 hits.
10229_zm.jpg 770 hits.
8578.jpg 768 hits.
6311.jpg 762 hits.
1000a.jpg 758 hits.
594.jpg 757 hits.
13369.jpg 756 hits.
8926b.jpg 754 hits.
14400b.jpg 738 hits.
814.jpg 733 hits.
9.jpg 727 hits.
14475.jpg 717 hits.
14046.jpg 715 hits.
7001.jpg 698 hits.


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