| M. atlantida HND: Atlántida, Mt. Cangrejal Critically endangered (CR) B1ab(iii) | Only known from Atlántida: 1) the type locality at Mt. Cangrejal, in Parque Nacional Pico Bonito, and 2) Parque Nacional Nombre de Dios. Its scattered distribution suggests that it needs protection (Vázquez-García et al. 2012b). It is extremely rare; no additional herbarium records had been reported for this species since it was first found in 1938. | The habitat of this species is protected by Nombre de Dios National Park and Parque Nacional Pico Bonito / No records of ex-situ collections. |
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| M. celaquensis HND: Copán, Cuchilla del Águila Critically endangered (CR) B1ab(iii) | Only known from the type locality. Given its extremely narrow distribution, this species should be considered Critically Endangered. | Parque Nacional Montaña de Celaque / No records of ex situ collections. |
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| M. cochranei HND: Cortés, Yoro, and Comayagua | This species is only known from a few localities in departments Comayagua, Cortés, and Yoro, it must be a target for conservation and research efforts (Vázquez-García et al. 2012b). The estimated | Cordillera de Montecillos Biological Reserve, Cusuco National Park, Pico Pijol National Park / No records of ex situ |
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| Endangered (EN) B1ab (ii, iii) | known extent of occurrence (EOO) is less than 5000 km, but the deforestation rate along this extent is very high. | collections. |
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| M. cusucoensis HND: Cortés | The known extent of occurrence is very restricted, ca. 16.23 km2, its area of occupancy is 24 km2, and the populations are severely | The habitat of this species is protected by Cusuco National Park/ No records of ex-situ |
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| Critically endangered (CR) B1ab(iii) | fragmented, but it is in a natural protected area, Cusuco National Park in the Cortés Province. | collections. |
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| M. darioi HND: Cortés. | This species is known from a very small number of individuals, apparently sparsely scattered across a very restricted geographical | The habitat of this species is protected by Cusuco National Park/ No records of ex-situ |
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| Critically endangered (CR), B1ab(iii). | area, an extension of occurrence (EOO) of 0.621 km2, and an area of occupancy (AOO) of 8 km2. | collections. |
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| M. hondurensis HND, GTM & SLV. | Endemic to Central America, ranging from Guatemala to El Salvador, and Honduras. It is widely distributed in montane cloud forests and mixed forests in Honduras with few populations in El | Guajiquiro Biological Reserve, Montecillos Biological Reserve, Celaque National Park, Monte Cristo National Park, Reserva de la |
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| Least concern (LC) B1 | Salvador and one in Guatemala. The estimated known extent of occurrence (EOO, minimum convex polygon) is ca. 25,000 km2. | Biosfera transfronteriza Trifinio-Fraternidad / No records of ex situ collections. |
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| M. pastorcortesii HND: Cortés | The known extent of occurrence (EOO) is less than 10 km2; only two trees have been recorded, both at the type locality. One of the trees had an unhealthy appearance. | It is inside a protected area, Parque Nacional Cusuco, but close to the park boundary / No records of ex-situ collections. |
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| Critically Endangered (CR) B1ab(iii) | | |
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| M. picopijolensis HND: Yoro | It is estimated that this species has an extent of occurrence (EOO) <10 km2, only known from Valley of Río Pijol, Parque Nacional | Pico Pijol National Park / No records of ex-situ collections. |
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| Critically Endangered (CR) B1ab(iii) | Pico Pijol. | |
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| M. sororum subsp. sororum HND, NIC, PAN | This subspecies inhabits eastern Honduras (Olancho, Colón and Gracias a Dios), western Nicaragua (Jinotega and Atlántico Norte), with disjunct populations in Panamá (Chiriquí, Coclé). | Sierra de Agalta National Park / No records of ex-situ collections. |
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| Vulnerable (VU) B2ab(ii, iii) | The area of occupancy is estimated less than 2,000 km2, its habitat is severely fragmented, and a continuing decline in the area and quality of its habitat has been observed. | |
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| M. sororum subsp. oligocarpa HND: Yoro | This subspecies is only known from two localities in Yoro department. The estimated known extent of occurrence (EOO) is | There are not protected areas in the range of this subspecies / No records of ex-situ |
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| Critically Endangered (CR) B1ab(iii) | less than 100 km2, the populations are severely fragmented and there is a continuing decline in the quality of its habitat. | collections. |
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| M. yoroconte HND: Copán, Yoro, Atlántida, Comayagua, Cortés, Santa Bárbara. GTM: Izabal. | The known area of occupancy of this species is <500 km2, their populations are severely fragmented and there is a continuing decline in the quality of its habitat. | Parque Nacional Cusuco. There are records of plantations of this tree species, but the identity is not confirmed. Plantations of confirmed identity include those at El |
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| Endangered (EN) B2ab(iii) | | Suspiro and Nueva Frontera in the Santa Bárbara Department. |
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