Plants in Chuuk & Echang by Aunchalee Loscalzo, 2004.
She discovered that a number of plants used in Chuuk are also used in Echang and have similar names.  

Tobian Plant Botanical Name Chuuk Name Botanical Name
chichi Polypodium scolopendria Burm. F. chichi Polypodium scolopendria Burm. F.
noar Morinda citrifolia nowpur Morinda citrifolia
tafach Crateva speciosa Volk. apuch Crateva speciosa Volk.
hawhow Erythrina variegata L. paar Erythrina variegata L.
tafei ri moh Achyranthes aspera L. niko Achyranthes aspera L.
fariyub Eugenia sp.  farii'ap Eugenia javanica
aisas Terminalia catappa L. asas Terminalia catappa L.
hirifou Hibiscus tiliaceus L. sinifou Hibiscus tiliaceus L.
hamahi (PB);  not (Keppler) Scaevola taccada (Gaertn.) Roxb. not Scaevola frutescens
warung Ocimum sanctum worung Ocimum sanctum
vach Pandanus sp. fach Pandanus sp.
ngou Allophyllus timorensis ngo Allophyllus timorensis
mai Artocarpus spp. mai Artocarpus spp.
safang Calophyllum inophyllum sefag Calophyllum inophyllum
wich Musa sp. (banana) wuuch Musa sp. (banana)
hachiyo Ixora casei achiu Ixora cariolensis
wot Colocasia esculenta wot Colocasia esculenta
harau Cordia subcordata annaw Cordia subcordata
mohumoh Tacca leontopetaloides mokomok Tacca leontopetaloides