Cyrus Longworth Lundell

Podocarpus matudae is a species of conifer in the family Podocarpaceae. It is found in Guatemala, El Salvador, Honduras and Mexico.

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Monstera tuberculata is a species of flowering plant in the family Araceae. It is sometimes referred to by the common names giant Monstera or giant velvet-leaf Monstera. It is native to Belize, Costa Rica, Guatemala, Southeast and Southwest Mexico, Nicaragua, Panama and Veracruz. It grows in lowland wet tropical biomes up to 200 metres (660 ft) in elevation. Similar to Monstera dubia and a few other species in its genus, when young M. tuberculata has a shingle-like growth habit with leaves tightly pressed against the trunks of trees. As it matures, it has short-stemmed, oval leaves that lack

Matudaea is a genus of plant in family Hamamelidaceae. Species of Matudaea range from southern Mexico through Central America to Colombia. The genus name of Matudaea is in honour of Eizi Matuda (1894–1978), who was a Mexican botanist of Japanese origin. The genus was circumscribed by Cyrus Longworth Lundell in Lloydia vol.3 on page 209 in 1940.

Ceratozamia matudae is a species of plant in the family Zamiaceae. It is native to Mexico, where it occurs in the states of Chiapas and Oaxaca, and its distribution extends into western Guatemala. Though some populations are in protected areas, the species is still affected by habitat loss as forest is cleared for plantations.

Carpinus tropicalis is a species of tree native to central and southern Mexico, Guatemala, El Salvador, Honduras, and Nicaragua.

Astragalus soxmaniorum is a species of flowering plant in the pea family, Fabaceae. It is sometimes referred to by the common name Soxman's milkvetch, that is native to Texas, Louisiana and Arkansas in the United States of America.

Pouteria briocheoides is a species of plant in the family Sapotaceae. It is found in southern Mexico (Chiapas) and Guatemala.

Pouteria areolatifolia is a species of plant in the family Sapotaceae. It is endemic to Guatemala.

Wimmeria montana is a species of flowering plant in the family Celastraceae. It is a tree endemic to Chiapas in southern Mexico.

Quetzalia are a genus of flowering plants in the staff vine and bittersweet family Celastraceae, native to Mexico and Central America. They can be trees, shrubs or lianas. Cyrus Longworth Lundell split them off from Microtropis in 1970, overriding his own 1939 findings.

Myrciaria ibarrae, commonly known as guayabillo in Guatemala, is a species of plant in the family Myrtaceae. First described in 1961, it is a tree which grows to between 8 and 10 metres tall, and is endemic to south-east Mexico and Guatemala.

Maytenus stipitata is a species of flowering plant in the family Celastraceae. It is a tree endemic to the Mexican state of Chiapas.

Cymbopetalum mayanum is a species of flowering plant in family Annonaceae. The specific epithet mayanum refers to the Mayan region in which it is indigenous, specifically the Petén lowland forests of Guatemala and the Atlantic moist forests of Honduras. It grows as a tree, and may be threatened by habitat loss due to deforestation. It is native to Belize, Guatemala, Honduras, and southeastern Mexico. Common names for C. mayanum include Mayan cymbopetalum, huevo de toro, muk, anona de montaña, banana, guanabano, guinellito, guineo, gunchuch, mata boni, mataboni, naguate, sufricaya, tulmax,

Ardisia opaca is a species of flowering plant in the family Primulaceae. It is endemic to Panama. It is threatened by habitat loss.

Ardisia jefeana is a species of flowering plant in the family Primulaceae. It is endemic to Panama. It is threatened by habitat loss.

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Wimmeria chiapensis is a species of flowering plant in the family Celastraceae. It is endemic to Chiapas state in southern Mexico.

Viburnum subpubescens is a species of plant in the Adoxaceae family. It is endemic to Honduras.

Viburnum molinae is a species of plant in the Adoxaceae family. It is endemic to Honduras.

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Sebastiania pubiflora is a species of flowering plant in the family Euphorbiaceae. It was described in 1975. It is native to Guatemala.

Petenaea cordata (from northern Central America) was first described in Elaeocarpaceae and later placed in Tiliaceae, but most authors have been uncertain about its familial affinities. It was considered a taxon incertae sedis in the Angiosperm Phylogeny Group classification (APG III). Molecular analyses based on a recent collection from Guatemala indicate a distant, weakly supported sister-group relationship to the African genus Gerrardina (Gerrardinaceae; Huerteales). As no obvious synapomorphies exist for Gerrardina and Petenaea, the new monogeneric family Petenaeaceae was proposed. The

Perrottetia multiflora is a species of flowering plant in the plant family Dipentodontaceae. It is native to Colombia, Costa Rica, Ecuador, Panama, Peru, and Venezuela and is threatened by habitat loss.

Perrottetia excelsa is a species of flowering plant in the plant family Dipentodontaceae. It is endemic to Panama.

Parathesis vulgata is a species of flowering plant in the family Primulaceae. It is native to El Salvador, Guatemala, Honduras, Southeast and Southwest Mexico, and Nicaragua.

Ocotea viridiflora is a species of flowering plant, an evergreen tree in the family Lauraceae. It is native to Costa Rica and Panama.

Maytenus matudae is a species of flowering plant in the family Celastraceae. It is endemic to Mexico.

Matudaea trinervia is a species of flowering plant in the family Hamamelidaceae. It is native to Costa Rica, El Salvador, Guatemala, Honduras, Mexico (Central, Southeast and Southwest), Nicaragua, and Veracruz. The species has two accepted varieties: Matudaea trinervia var. hirsuta (Lundell) L.M.González & N.Jiménez Matudaea trinervia var. trinervia

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