other cacti as cited

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Preliminary study shows germination of Caribbean applecactus (Harrisia fragrans) improved with acid scarification and gibberellic acid
Bijan Dehgan and Hector E Pérez

Native Plants Journal, March 2005, 6 (1) 91-96; DOI: https://doi.org/10.2979/NPJ.2005.6.1.91
Bijan Dehgan
Hector E Pérez