silver lime: large tree native to eastern Europe and Asia Minor having leaves with white tomentum on the under side; widely cultivated as an ornamental
linden: any of various deciduous trees of the genus Tilia with heart-shaped leaves and drooping cymose clusters of yellowish often fragrant flowers; several yield valuable timber
psilopsida: whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs