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STATISTICS on the SPECIMEN HOLDINGS in the HERBARIUM of the BOTANY DEPARTMENT

The Botany Department of the California Academy of Sciences contains two herbaria, the herbarium of the California Academy of Sciences (CAS) and the Dudley Herbarium of Stanford University (DS). These two herbaria function as a single unit although the Dudley Herbarium is still the legal property of Stanford University.

The combined herbaria (CAS/DS) are the largest collection of vascular plants in the western United States and the sixth largest collection of vascular plants in the United States overall. The following data are as of October 31, 2006.

TOTAL Holdings ........................................1,868,000
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North America............................................960,000

California.........................520,000

Non Californian.................460,000


Latin America..........................................465,000

Mexico(except Chiapas).....250,000

Chiapas, Mexico.................70,000

Non Mexican.....................145,000



Europe, Middle East, and North Asia....... 215,000

East, Southeast, and South Asia............. 140,000

Cultivated................................ 41,000

Africa ................................... 32,000

Pacific Islands........................... 15,000

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Total holdings of vascular plants.......... 1,795,500


Total non-vascular plants................... 72,500


Bryophytes...............................59,500
Lichens ...................................13,000
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TOTAL holdings ........................... 1,868,000

Geographic regions of the world used as
different folder colors for specimens:

Vascular & Non-Vascular Plant Holdings
Composition of vascular
and non-vascular plant holdings: