Assertion: moss's rhizoid | /r/HasProperty | threadlike structures
Facets:
Source sentences:
text: Both liverwort forms (with a few exceptions) have a distinct “up-down” (i.e., dorso-ventral) construction, unicellular rhizoids (threadlike structures that aid in attachment and absorption), and capsules with elaters (threadlike structures that are generally thought to aid in dispersal) among their spores.