11. Most species in the Oncidium genus are epiphytes, although some are lithophytes or terrestrials. 12. "Earina mucronata " is generally epiphytic but occasionally grows as a lithophyte . 13. They are epiphytes, or often lithophytes . 14. They can be found as epiphytes or lithophytes in lower evergreen and semideciduous montane forests. 15. Examples of lithophytes include several " Paphiopedilum " orchids, ferns, many algae and liverworts. 16. "H . varia " can grow on the ground and as a lithophyte or epiphyte. 17. Species such as " Angraecum sororium " are lithophytes , growing on rocks or very rocky soil. 18. The ferns are terrestrial, with the exception of a few which are lithophytes ( grow on rocks ). 19. Plants which grow on trees or rocks ( as epiphytes or lithophytes ) also experience variations in water availability. 20. In its native habitat ( Brazilian Central Plateau ) it grows as either an epiphyte or a lithophyte , sometimes in full sun.
