Back to The taxonomical aspect of Argostemma Wall. (Rubiaceae-Rubioidae) in Mount Gede- Pangrango, Mount Halimun, and Mount Salak based on morphological characteristics The taxonomical aspect of Argostemma Wall. (Rubiaceae-Rubioidae) in Mount Gede- Pangrango, Mount Halimun, and Mount Salak based on morphological characteristics