Thomas G. Lammers

Lobelia monostachya, the one-stalked lobelia, is a species of flowering plant in the family Campanulaceae that is endemic to the island of Oʻahu in Hawaii. It inhabits cliffside mesic shrublands in the southern Koʻolau Mountains at an elevation of 44–614 m (144–2,014 ft). It was previously believed to be extinct. In 1994 it was rediscovered and only 8 individuals are currently known to exist. Associated native plants include Artemisia australis, Carex meyenii, Eragrostis spp., and Psilotum nudum. It is threatened by habitat loss.

Lobelia oligophylla is an ornamental plant in the Campanulaceae family.

Delissea kauaiensis is a critically endangered species of the bellflower family. It is found on Mt. Ha'upu near Hanapepe Falls, and Mahanaloa. It was thought to be extinct, but 10 individuals were found in 2016. It is known as 'Oha in Hawaiian, and has the English common names of Kauaʻi delissea, KauaʻI leechleaf delissea, and Leechleaf delissea.

Cyanea kuhihewa is a rare species of flowering plant in the bellflower family known by the common name Limahuli Valley cyanea. It is endemic to Kauai, where only two mature plants are known from a single wild population. Like other Cyanea it is known as haha in Hawaiian. This species belongs to the genus Cyanea, a Hawaiian lobelioid group of plants that evolved within the Hawaiian Islands. Cyanea kuhihewa has become an important focus of conversation efforts, since it's considered one of the rarest plant species in the Hawaiian Islands due to its small population size and restricted

Wimmerella is a genus of flowering plants belonging to the family Campanulaceae. It is also in the Lobelioideae subfamily. It is native to the Cape Provinces and KwaZulu-Natal within South Africa.

Wahlenbergia tenella (known as the "Fine Capebell") is a herbaceous plant in the family Campanulaceae native to the southern Cape regions of South Africa.

Wahlenbergia nodosa (known as the Muistepelkaroo) is a herbaceous plant in the family Campanulaceae native to the dry karoo regions of South Africa. This species is similar to, and often confused with, Wahlenbergia tenella and Wahlenbergia tenerrima.

Lobelia andrewsii, commonly known as trailing lobelia, is a small herbaceous, flowering plant in the family Campanulaceae. It has dark blue or purple flowers and grows in New South Wales and Queensland.

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Lobelia macrodon is a species of small flower from alpine habitats in New Zealand.

Cyanea st.-johnii (formerly Rollandia st.-johnii) is a rare species of flowering plant in the bellflower family known by the common name St. John's rollandia. It is endemic to Oahu, where it is known only from the Koʻolau Mountains. It is a federally listed endangered species of the United States. Like other Cyanea it is known as haha in Hawaiian. A 2007 report estimates 70 remaining individuals divided among seven occurrences in the upper elevations of the Koʻolau Mountains. The plant grows on top of ridges, in open, windy habitat within the cloud zone. The occurrences have been separated

Cyanea longiflora (formerly Rollandia longiflora) is a rare species of flowering plant in the bellflower family known by the common name ridge rollandia. It is endemic to Oahu where there are only three remaining occurrences in the northern Waianae Mountains for a total of under 300 individuals. It is a federally listed endangered species. Like other Cyanea it is known as haha in Hawaiian. This Hawaiian lobelioid is a shrub appearing palm-like in form and reaching 3 meters in maximum height. The inflorescence produces magenta flowers. The fruit is a berry which is purple to red when small and

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Cyanea koolauensis (formerly Rollandia angustifolia) is a rare species of flowering plant in the bellflower family known by the common names Palolo Valley rollandia and narrowleaf rollandia. It is native to Oahu, where it is known only from the Koʻolau Mountains. It is a federally listed endangered species. Like other Cyanea it is known as haha in Hawaiian. This Hawaiian lobelioid is a shrub reaching 1 to 1.5 meters in height. It bears dark red flowers. As of 2009 the plant was known from 10 small, scattered populations along the peaks of the Koʻolau Range, for a total of approximately 160

Cyanea kolekoleensis (formerly Delissea kolekoleensis) is a rare species of flowering plant in the bellflower family known by the common names `Oha and Kolekole cyanea. It is endemic to Kauai where it has only been seen in the Wahiawa Mountains. Like other Cyanea it is known as haha in Hawaiian. This Hawaiian lobelioid was discovered in 1987 and it has not been seen since 1992. Because more specimens are likely to be found in parts of the dense rainforest that have not been surveyed, it is not considered extinct. It was federally listed as an endangered species of the United States in 2010.

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Cyanea humboldtiana (formerly Rollandia humboldtiana) is a rare species of flowering plant in the bellflower family known by the common name Oʻahu rollandia. It is native to Oʻahu, where it is known only from the Koʻolau Mountains. It is a federally listed endangered species. Like other Cyanea it is known as haha in Hawaiian. This Hawaiian lobelioid is a shrub reaching 1 to 2 meters in height. It bears magenta or white flowers. There are no more than 300 individuals remaining. They grow along the southern peaks of the Koʻolau Range in the cloud zone. The species is threatened by exotic plants

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Cyanea eleeleensis was a rare species of flowering plant in the bellflower family known by the common name Eleele cyanea. It was endemic to Kauai, where it has been declared extinct. It was federally listed as a critically endangered species of the United States in 2010. Like other Cyanea it is known as haha in Hawaiian. This Hawaiian lobelioid was discovered in 1977 near a gulch called Pali ʻEleʻele on Kauai. The shrub is known to grow nearly two metres (6 ft 7 in) tall with leaves up to 40 centimetres (16 in) long by 11 centimetres (4.3 in) wide. The inflorescence bears up to 20 tubular

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Cyanea dolichopoda was a species of shrub in the bellflower family known by the common name long-foot cyanea that was endemic to Kauaʻi. It was discovered in 1990 and has not been located in the wild since 1992. Like other Cyanea it is known as haha in Hawaiian. This Hawaiian lobelioid was discovered in the Blue Hole, a valley on Kauai near the Wailua River. The Blue Hole is deep, nearly surrounded by steep cliffs up to 900 metres (3,000 ft) tall, and wet, a very high rainfall area filled with waterfalls. Only four plants were ever found, three juvenile specimens and one plant just reaching

Cyanea crispa is a rare species of flowering plant known by the common names crimped rollandia and Koolau Range rollandia. It is endemic to Oahu, where there are no more than fifty individuals remaining in the Koʻolau Range. It is a federally listed endangered species of the United States. Like other Cyanea it is known as haha in Hawaiian.

Cyanea calycina is a flowering plant in the Campanulaceae family. The IUCN has classified the species as critically endangered. It is native to the Hawaiian Islands. An example is being monitored with a plant cam.

Centropogon jeppesenii is a species of plant in the family Campanulaceae. It is endemic to Ecuador. Its natural habitat is subtropical or tropical moist montane forests.

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