A plant (Petrophila teretifolia): flowering and fruiting stem with floral segments. Coloured engraving, c. 1804, after H.… https://www.rawpixel.com/image/13953733/image-christmas-tree-plantFree Image from public domain licenseRock Grass-Parakeet (Euphema petrophila) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881)… https://www.rawpixel.com/image/321630/free-illustration-image-parrot-gould-birdsFree Image from public domain license