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Campbell Trail
Date: May 1965
Media Format: Slide
Creator: Jacqueline Broughton
Index Number: SL_15171
Abies magnifica v. shastensis
Date: 1962
Media Format: Slide
Creator: Katherine K. Muller
Index Number: SL_15120
chlorogalum purpureum purpureum
Date: July 5, 1999
Media Format: Slide
Creator: Dieter H. Wilken
Index Number: SL_20716
Chlorogalum purpureum reductum
Date: May 22, 2001
Media Format: Slide
Creator: Dieter H. Wilken
Index Number: SL_20715
Astrogalus pycnostachyus pycnostachyus
Date: October 2, 2000
Media Format: Slide
Creator: Dieter H. Wilken
Index Number: SL_20699
Grindelia stricta platyphylla
Date: February 3, 2001
Media Format: Slide
Creator: Dieter H. Wilken
Index Number: SL_20657
Helianthella californica shastensis
Date: July 28, 2003
Media Format: Slide
Creator: Dieter H. Wilken
Index Number: SL_20655
Cirsium loncholepis obispoense
Date: January 17, 2003
Media Format: Slide
Creator: Dieter H. Wilken
Index Number: SL_20640
Cirsium loncholepis obispoense
Date: January 17, 2003
Media Format: Slide
Creator: Dieter H. Wilken
Index Number: SL_20639
Cirsium loncholepis obispoense
Date: January 17, 2003
Media Format: Slide
Creator: Dieter H. Wilken
Index Number: SL_20638
Lyonothomnus floribundus ssp asplenifolius
Date: July 1997
Media Format: Slide
Creator: Dieter H. Wilken
Index Number: SL_18304
Lyonothomnus floribundus asplenifolius
Date: February 1992
Media Format: Slide
Creator: Dieter H. Wilken
Index Number: SL_18302
Lyonothomnus floribundus asplenifolius
Date: May 1992
Media Format: Slide
Creator: Dieter H. Wilken
Index Number: SL_18298
Styrax officinalis var. californicus
Date: November 1991
Media Format: Slide
Creator: Dieter H. Wilken
Index Number: SL_18292
Eriogonum giganteum var. formosum
Date: September 1997
Media Format: Slide
Creator: Dieter H. Wilken
Index Number: SL_18264
Pseudotsuga menziesii
Date: July 22, 2000
Media Format: Slide
Creator: Dieter H. Wilken
Index Number: SL_18126
Chimaphila menziesii, Dorothy King Young
Date: September 1969
Media Format: Slide
Creator: Dorothy K. Young
Index Number: SL_19977
Pinus muricata remorata
Date: May 1992
Media Format: Slide
Creator: Dieter H. Wilken
Index Number: SL_18028
Synthyris reniformis var. cordata, Silver Queen, Gray, Grantspass, Oregon
Date: March 6, 1967
Media Format: Slide
Creator: H.R. Mansfield
Index Number: SL_19905
Synthyris reniformis var. cordata, Silver Queen, Gray, Grantspass, Oregon
Date: March 6, 1967
Media Format: Slide
Creator: H.R. Mansfield
Index Number: SL_19904
Astragalus accidens var. hendersonii, Jackson County, Oregon
Date: April 18, 1964
Media Format: Slide
Creator: H.R. Mansfield
Index Number: SL_19851
Arabis divaricarpa var. interposita, Josephine County, Oregon
Date: May 19, 1966
Media Format: Slide
Creator: H.R. Mansfield
Index Number: SL_19845
Arabis divaricarpa var. interposita, Josephine County, Oregon
Date: May 19, 1966
Media Format: Slide
Creator: H.R. Mansfield
Index Number: SL_19844
Brodiaea douglasii var. howellii, Jackson County, Oregon
Date: July 11, 1964
Media Format: Slide
Creator: H.R. Mansfield
Index Number: SL_19831