Phoenix theophrasti ancient Greek ‘father of botany,’ had described several types of palms, including one from Crete. Apart from the usually inedible dates and upright fruit clusters, the Cretan species can appear quite similar to the cultivated date ("Phoenix dactylifera"). "Phoenix theophrasti" grows up to 15 m tall, usually with several slender stems. The leaves are pinnate, 2–3 m long, with numerous rigid greyish-green linear leaflets 15–50 cm long on each side of the central rachis. Dead leaves are marcescent, remaining attached to the stem for years after withering. The fruit is an oval yellowish-brown drupe 1.5 cm long and 1 cm
Niebla dactylifera collections be studied, especially of "Niebla" collected in California and the Channel Islands. Additional specimens were studied through loans obtained by the U.S. National Herbarium (Smithsonian Institution) from the University of Colorado at Boulder and from the Santa Barbara Museum of Natural History. "Niebla dactylifera" was discovered among the borrowed specimens of "Niebla". Niebla dactylifera Niebla dactylifera is a fruticose lichen that grows only on San Nicolas Island in the Channel Islands of California. The epithet, "dactylifera", is in reference to the terminal finger-like branches. "Niebla dactylifera" is recognized by the thallus divided into tubular-prismatic branches that arise from a