Malik F. T., Clement R. M., Gethin D. T., Beysens D., Cohen R. E., Krawszik W., Parker A. R., Dew harvesting efficiency of four species of cacti, Bioinspiration & Biomimetics, 2015, 10(3):036005, doi: 10.1088/1748-3190/10/3/036005
The field experiment compares the amount of dew retained by four cactus species with a reference surface. Observations of droplet distribution on stems and spines complement microscopic measurements of their surfaces.