Cilician Fir vs Common Tarcrust

Abies cilicica compared with Diatrype stigma

Key Differences

Cilician Fir is Near Threatened while Common Tarcrust is Not Evaluated.

Taxonomic Classification

Rank	Cilician Fir	Common Tarcrust
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Coniferophyta (Conifers)	Ascomycota (Sac Fungi)
Class	Pinopsida (Conifers)	Sordariomycetes (Sordariomycetes)
Order	Pinales (Pines & Allies)	Xylariales (Xylariales)
Family	Pinaceae (Pine Family)	Diatrypaceae
Genus	Abies	Diatrype
Species	Abies cilicica	Diatrype stigma

Conservation Status

Cilician Fir

NT — Near Threatened

Common Tarcrust

NE — Not Evaluated

Physical Characteristics

Attribute	Cilician Fir	Common Tarcrust
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cilician Fir

Habitat

Typically found in temperate and boreal forests, often at higher elevations.

Range

Found in Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Common Tarcrust

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden.

Cilician Fir

Cilician fir (Abies cilicica) is a large conifer in the family Pinaceae, native to the Taurus and Anti-Taurus mountains of southern Turkey and the mountain ranges of Lebanon and Syria, including Mount Lebanon and the Ansariyah range. It grows at elevations between approximately 1,000 and 2,400 meters in cool, moist montane forests, often forming pure stands or mixing with cedar of Lebanon (Cedrus libani), oriental beech (Fagus orientalis), and other conifers. Trees can reach 30 meters in height with a conical crown and upswept branches bearing glossy, dark green needles. The species is classified as Near Threatened by the IUCN, reflecting ongoing habitat pressures including deforestation, overgrazing, charcoal production, and the long-term effects of climate change reducing precipitation in the eastern Mediterranean. Populations in Syria and Lebanon have been severely reduced by historical forest clearance and remain highly fragmented. Turkish populations in the Taurus and Anti-Taurus are more extensive and partly protected within national parks and forest reserves. Cilician fir forests provide critical watershed protection, biodiversity habitat, and climate regulation services in a region facing intensifying water stress. Reforestation efforts using native seed sources and protection of remaining natural stands are priority conservation actions. The species is occasionally cultivated as an ornamental in European gardens.

Common Tarcrust

<em>Diatrype stigma</em>, the common tarcrust, is a saprotrophic fungus in the family Diatrypaceae, found across Belgium, Denmark, Norway, Portugal, and Sweden, as well as more broadly in Europe and temperate regions globally. It grows as a crust-like, charcoal-black stromata on the dead bark and branches of deciduous hardwoods, particularly hazel, beech, and alder. The fruiting bodies are typically flat to slightly raised, dark gray to black patches that contain numerous embedded perithecia in which ascospores are produced. This fungus plays an important ecological role as a decomposer, breaking down dead woody material and recycling nutrients in forest ecosystems. It is Not Evaluated on the IUCN Red List; given its broad distribution on common substrates, it is generally considered widespread. The species reproduces via wind-dispersed ascospores released from the perithecia. Diet, as a saprotrophic organism, consists of dead organic woody matter. Biological traits such as colony growth rates, spore output, and longevity remain poorly documented in standardized quantitative assessments.