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augustus 2017 nummer 4

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Afb. 18: Superstition Mountains bij zonsondergang<br />

Afb. 19: Typisch voorbeeld van ‘apachensis’ op<br />

de ‘Flatiron’<br />

voor hun steun en motivering. Zonder dit<br />

klimgroepje had ik de Flatiron niet kunnen<br />

bereiken.<br />

Literatuur<br />

Böhm, G & G. (2015). Neue Standorte von<br />

Echinocereus bonkerae subsp. apachensis?<br />

Echinocereenfreund 28 (2): 55 - 62.<br />

Ruinaard, H. (2012). Echinocereus bonkerae<br />

subsp. apachensis (Blum & Rutow) A.D.<br />

Zimmerman. Echinocereenfreund 25 (3):<br />

108 - 128.<br />

Afb. 20: Bloem van Echinocereus bonkerae<br />

subsp. apachensis, 25 april 2011<br />

Zimmerman, A. (2009). Echinocereus bonkerae<br />

subsp. apachensis (Blum & Rutow)<br />

A. Zimmerman, comb. nov. Haseltonia 15:<br />

120.<br />

Baker, M., Rebman, J., Parfitt, B., Pinkava, D.<br />

& Zimmerman, A. (2009). Chromosome<br />

numbers in some cacti of western North<br />

America VIII. Haseltonia 15: 117 – 134.<br />

henk.ruinaard@tiscali.nl<br />

Molenweg 29<br />

6133 XM Sittard<br />

Succulenta jaargang 96 (4) <strong>2017</strong> 183

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