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- Biodiversity Informatics
- Convolvulaceae Pollen Atlas
- Convolvulaceae of Sonora
- Legumes of Arizona
- Pringle’s Arizona Catalog
- Nichol's Turk's Head Cactus Working Group
- Section 6 Grants
- About ARIZ
Shantz Photograph Collection: Sample Photos
Left figure: Vegetation of the cactus garden in Tucson, Arizona. Photograph taken 26 August 1932. (GG-7-1932)
Right figure: Vegetation of the cactus garden in Tucson, Arizona. Photograph taken in 1935. Note that the largest Saguaro in the picture (directly behind the largest barrel cactus) is missing from the second photograph.
Shantz photographed many Native Americans in Arizona. This particular photograph of a Navajo woman and her child was taken in Cedar Ridge, Arizona on 6 June 1933. (C-9-1933)
Lophocereus schotti in flower and fruit. Photograph taken in Libertad, Mexico on 8 May 1932. (R-10-1932)
Left figure: Just east of Laingsburg, Africa. Acacia karroo, with all leaves within reach of goats removed, showing bare ground with Asclepias fruticosus, a perennial herb, scattered in the fore and background. 20 June 1924 (A2-4-1924)
Right figure: Position nearly exact (somewhat back to allow for new tree growth). The annual Augea capensis has invaded much of the previously bare area and is almost the sole herbaceous dominant (a few closely grazed Galenia africana plants were found in the phot area as well as the annual weed, Argemone mexicana and Ruschi sp.). Ascelipas fruticosus could no longer be found in the immediate study area, though a few plants were seen along the highway nearby. The major change has been an increase in the succulent Augea capensis at the expense of bare ground and Asclepias fruticosus. The area shown in the photo must be extremely disturbed since the tree apparently serves as shade for nearby inhabitants. A crude swing now hangs from the lower branches and several rocks have been brought in to sit on or for building campfires. 9 September 1956 (B-1-1956)
Left figure: Huerfano Butte, Santa Rita Experimental Range, Pima Co., Arizona. Photograph taken in 1902.
Right figure: Huerfano Butte, Santa Rita Experimental Range, Pima Co., Arizona. Note the invasion of the grassland by Cholla (Opuntia sp.). Photograph taken in 1947.
Left figure: Lewiston, Montana. Looking West at Judith Mountain. Photograph taken in 1917. (R-3-1917)
Right figure: Lewiston, Montana. Looking West at Judith Mountain. Photograph taken in 1959. Note the position of the forest on the mountanside in each photograph. (G-12-1959)