Paul Martin Brown

Spiranthes sylvatica, the woodland ladies' tresses or pale-green ladies'-tresses is a terrestrial orchid endemic to the United States, very similar in appearance and range to Spiranthes praecox which it had been considered a variation of for a long time.

Spiranthes eatonii, commonly known as Eaton's ladies' tresses is a terrestrial orchid endemic to the United States, closely related to or a variation of Spiranthes lacera.

Schiedeella arizonica is a species of orchid native to the southwestern United States. It was first described by Paul Martin Brown in 2000. This species additionally goes by several common names including fallen ladies tresses, parasitic lady's tresses, and Indian-braids.

Platanthera shriveri, Shriver's purple fringed orchid, is a rare orchid endemic to the United States. It is considered critically imperiled.

Platanthera pallida, commonly known as pale fringed orchid, is a rare orchid of North America with the only known occurrences on Long Island. Locally, some enthusiasts prefer the alternative common name Long Island orchid.

Visit the page for more details.

Galeandra bicarinata (also known as the hooded orchid, two-keeled galeandra, or helmet orchid) is a species of orchid native to Cuba and Florida. It is closely related to G. beyrichii (widespread throughout much of South America and the Caribbean) and regarded as part of that taxon until described as a distinct species in 2000.

Visit the page for more details.

Cleistesiopsis oricamporum, called the small Coastal Plain spreading pogonia or small dragonhead pogonia, is a terrestrial species of orchid native to the southeastern United States from Louisiana to North Carolina.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Govenia floridana, the Florida govenia or tropical govenia, is an extinct species of orchid that was endemic to Everglades National Park in Florida. It was discovered for the first time in 1957, with a total populations of 25 individuals, and the last verified report was from the same site in 1964, where the population had declined to just 10 individuals. It is likely that poaching of plants contributed to its decline and extinction.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.