Natural rubber at least showed promise as rubber sources, include the rubber fig ("Ficus elastica"), Panama rubber tree ("Castilla elastica"), various spurges ("Euphorbia" spp.), lettuce ("Lactuca" species), the related "Scorzonera tau-saghyz", various "Taraxacum" species, including common dandelion ("Taraxacum officinale") and Russian dandelion ("Taraxacum kok-saghyz"), and perhaps most importantly for its hypoallergenic properties, guayule ("Parthenium argentatum"). The term gum rubber is sometimes applied to the tree-obtained version of natural rubber in order to distinguish it from the synthetic version. The first use of rubber was by the indigenous cultures of Mesoamerica. The earliest archeological evidence of the use of natural latex from the
Elastica Elastica Elastica were an English alternative rock band that played punk rock, post-punk and new wave-influenced music. They formed in 1992, and are best known for their 1995 album "Elastica", which produced singles that charted in the United Kingdom and the United States, including their highest charting US Hot 100 hit "Connection". They split amicably in 2001, roughly a year after releasing their second LP. In mid-1992, ex-Suede band members Justine Frischmann and Justin Welch decided to form a group. By the autumn of that year, bassist Annie Holland and guitarist Donna Matthews were added. After initially gigging under names