Whisk fern, moa, moa nahele, pipi, o'o moa

I have the "nudum". This is the other psilotum native to Hawaii. Interesting plants. Copied info from UH Botony site below:

...Read More/> Psilophyta. The Psilotaceae are leafless and rootless terrestrial or epiphytic homosporous, protostelic vascular plants comprising 2 genera and less than ten species. The free-living sporophytic plant body is a dichotomously branching stem consisting of a subterranean mycorrhizal rhizome and a green, photosynthetic aerial portion that bears very small nonvascularized scale-like flaps of tissue called enations and 2- 3-lobed eusporangia or synangia on very short lateral branches. The independent gametophytes are bisexual, subterranean, lack chlorophyll, and depend on a symbiotic fungus for survival. Biflagellated sperm produced in an antheridium must travel through a film of water to reach the egg of an archegonium in order to initiate the zygote that may develop into a new sporophyte individual. ............ Cool