Casimir Christoph Schmidel

Penstemon , the beardtongues, is a large genus of roughly 280 species of flowering plants native to North America from northern Canada to Central America. It is the largest genus of flowering plants endemic to North America. As well as being the scientific name, penstemon is also widely used as a common name for all Penstemon species alongside beardtongues. Formerly placed in the family Scrophulariaceae by the Cronquist system, new genetic research has placed it in the vastly expanded family Plantaginaceae. The total number of species is disagreed upon due to ongoing research into if some of

Thelypteris (maiden ferns) is a genus of ferns in the subfamily Thelypteridoideae, family Thelypteridaceae, order Polypodiales. Two radically different circumscriptions of the genus are in use as of January 2020. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the genus is a very small one with about two species. In other approaches, the genus is the only one in the subfamily Thelypteridoideae, and so includes between 875 and 1083 species. The genus name is from Greek thēlys "female" and pteris "fern". However, "female fern" usually refers to the common lady-fern.

Proboscidea is a genus of flowering plant in the family Martyniaceae, some of whose species are known as devil's claw, devil's horn, ram's horn, or unicorn plant. The plants produce long, hooked seed pods. The hooks catch on the feet of animals, and as the animals walk, the pods are ground or crushed open, dispersing the seeds. The name devil's claw is shared with the South African plant Harpagophytum procumbens.

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Barbilophozia barbata is a species of liverwort belonging to the family Anastrophyllaceae. It is native to Europe and Northern America.

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