Li-kuo Fu

Abies ziyuanensis is a species of fir, a conifer in the family Pinaceae. It is only known from four locations in Guangxi and Hunan provinces in China. A. ziyuanensis is related to Abies beshanzuensis, another threatened fir endemic to China. While the population was in the thousands as recently as the 1970s, there are now thought to be less than 600 trees in existence.

Abies yuanbaoshanensis is a species of fir tree in the family Pinaceae. It is found only in the Yuanbao Mountains within Guangxi province of China. It is a critically endangered species. It is estimated that only 700 trees exist, including saplings

Cupressus gigantea, the Tibetan cypress, is a species of conifer in the family Cupressaceae in Asia. C. gigantea was previously classified as a subspecies of Cupressus torulosa because of their similar morphological characteristics and close distribution, but have since been genetically distinguished as separate species.

Cephalotaxus lanceolata is a coniferous tree in the family Taxaceae. It is native to northern Burma and southern China. It is often considered a variety of C. fortunei.

Ulmus microcarpa was named and first described by the Chinese botanist L. K. Fu, who discovered the tree in the Chayu broad-leaved forests of south-eastern Xizang at altitudes of around 2800 m during the 1973 Qinghai - Tibet Expedition. Unlike the majority of Tibet, the Chayu region has a subtropical highland climate featuring warm, wet, summers and mild, dry, winters (avg. annual rainfall 807 mm). Commonly known as the Tibetan Elm, the tree was introduced to the United States in 2006, and the UK in 2013; it remains one of the rarest species of elm in cultivation.

Ulmus elongata, also known as the long raceme elm in the US, is a deciduous tree endemic to broadleaf forests in the eastern provinces of China.

Cephalotaxus latifolia is a coniferous shrub or small tree in the family Taxaceae. It is native to southern China and is similar in appearance to both C. sinensis and C. harringtonii.

Cycas szechuanensis is a species of cycad endemic to eastern China. It is known from eastern Guangdong and eastern Fujian provinces, China. It is also cultivated at Fuhu Temple (伏虎寺), Mount Emei, Sichuan.

Ulmus prunifolia W. C. Cheng & L. K. Fu, the cherry-leafed elm, is a deciduous tree endemic only to the province of Hubei in central eastern China, where it is found at elevations of 1000–1500 m.

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Pinus massoniana var. hainenensis is an extremely rare variety of Pinus massoniana in the family Pinaceae that is endemic to a very small western portion of the island of Hainan, China, presumably on hillsides. The variety was described by Wan Chun Cheng and Li-kuo Fu in 1975. Mature height and width is unknown, although the trunk is a red-brown color. Branches spread out horizontally. Needles reach a length of 12–20 cm (4.72-7.87 in.), and are slender. Cones are ovoid-cylindric, being 4-7 x 2.5–5 cm (1.57-2.75 in. x 0.88-1.96 in.) long. It grows within a temperate climate; potentially

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Abies delavayi subsp. fansipanensis, also known as the Fansipan fir, is a subspecies of fir tree in the family Pinaceae. It is endemic to northern Vietnam.

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