Ferns and Lycophytes jewlery Threaders feature a double-pointed gemstone

Threaders feature a double-pointed gemstone attached to a triangular setting and delicate chain

Each block contains three natural treasures: one sea fossil

safe finish

Puzzle size when completed: 15 inches x 11 inches

This 9 block set features 8 dinosaurs

Ferns and Lycophytes jewlery Threaders feature a double-pointed gemstoneHelen Witham wrote the Ferns of San Diego County, published in 1972 by the San Diego Natural History Museum (SDNHM). Her book has been an invaluable reference source in identifying the local ferns. Ms. Witham (subsequently Helen Chamlee) was the associate curator of the Botany Department and found of the Canyoneers, originally Florida Canyoneers, a group of volunteers trained by the SDNHM's Education Department and curators to lead walks in the local