Property:Secondary-root density A Text property defining a single value. Structure: secondary-root Character: density A quantity property A subproperty of root A Type of root Types of secondary-root density None. Parts of secondary-root density None. Usage5previous 5,0002050100250500next 5,000FilterShowing 5 pages using this property.MMammillaria heyderi +diffuse +Mammillaria heyderi var. bullingtoniana +diffuse +Mammillaria heyderi var. heyderi +diffuse +Mammillaria macdougalii +diffuse +Mammillaria meiacantha +diffuse + Category: Quantity