Betula ID: 0000 0000 0702 0579 [detail] © 2002 University of California Museum of Paleontology	Betula ID: 0000 0000 0702 0577 [detail] © 2002 University of California Museum of Paleontology	Betula ID: 0000 0000 0702 0578 [detail] © 2002 University of California Museum of Paleontology	Betula alleghaniensis Yellow Birch ID: 0000 0000 1003 0096 [detail] © 2003 Joseph Dougherty/ecology.org
Betula alleghaniensis ID: 0000 0000 0105 0647 [detail] © 2005 Louis-M. Landry	Betula alleghaniensis ID: 0000 0000 0105 0648 [detail] © 2005 Louis-M. Landry	Betula alleghaniensis (shown with Caltha palustris) ID: 0000 0000 0107 0488 [detail] © 2007 Louis-M. Landry	Betula alleghaniensis (shown with Caltha palustris) ID: 0000 0000 0107 0489 [detail] © 2007 Louis-M. Landry
Betula alleghaniensis var. alleghaniensis Yellow Birch ID: 0000 0000 1102 0576 [detail] © 2002 University of California Museum of Paleontology	Betula davurica Daurian Birch ID: 0000 0000 1108 0948 [detail] © 2008 Nick Kurzenko	Betula davurica Daurian Birch ID: 0000 0000 1108 0949 [detail] © 2008 Nick Kurzenko	Betula fontinalis ID: 0000 0000 1102 0171 [detail] © 2002 University of California Museum of Paleontology
Betula lenta Sweet Birch ID: 0000 0000 1102 0365 [detail] © 2002 University of California Museum of Paleontology	Betula nana Bog Birch ID: 1338 3161 0873 0092 [detail] Dr. Robert T. and Margaret Orr © 2004 California Academy of Sciences	Betula nana ID: 0000 0000 0506 1264 [detail] © 2006 Louis-M. Landry	Betula nana ID: 0000 0000 0506 1265 [detail] © 2006 Louis-M. Landry
Betula nana ID: 0000 0000 0506 1266 [detail] © 2006 Louis-M. Landry	Betula nana ssp. exilis Birch ID: 1338 3152 3387 0066 [detail] Dr. G Dallas and Margaret Hanna © 2008 California Academy of Sciences	Betula nigra River Birch ID: 0000 0000 1102 0172 [detail] © 2002 University of California Museum of Paleontology	Betula nigra ID: 0000 0000 0506 1267 [detail] © 2006 Louis-M. Landry
Betula nigra ID: 0000 0000 0506 1268 [detail] © 2006 Louis-M. Landry	Betula nigra River Birch ID: 0000 0000 0608 1570 [detail] © 2008 Jason E. Willand	Betula nigra River Birch ID: 0000 0000 0608 1571 [detail] © 2008 Jason E. Willand	Betula occidentalis Water Birch ID: 7335 3182 4656 0001 [detail] © 1995 Saint Mary's College of California

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