Carl Johann Hartman

Trichophorum cespitosum, commonly known as deergrass or tufted bulrush, is a species of flowering plant in the sedge family. It was originally described by the Swedish naturalist Carl Linnaeus in 1753 as Scirpus cespitosus, but was transferred to the genus Trichophorum by the Swedish botanist Carl Johan Hartman in 1849, becoming Trichophorum cespitosum.

Calamagrostis lapponica, the Lappland reedgrass, is a grass species native to colder parts of the Northern Hemisphere. It has been reported from Scandinavia, Russia, Greenland, Alaska, and every Canadian province and territory except the Maritime Provinces (Nova Scotia, New Brunswick and Prince Edward Island). Calamagrostis lapponica is an herb growing up to 60 cm (24 inches) tall. It spreads by means of short underground rhizomes. Panicle is up to 15 cm (6 inches) long, frequently purple.

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Fontinalis hypnoides is a species of moss belonging to the family Fontinalaceae. It is native to Eurasia and Northern America.

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Glyceria maxima (syn. G. aquatica (L.) Wahlenb.; G. spectabilis Mert. & W.D.J. Koch; Molinia maxima Hartm.; Poa aquatica L.), imfe Nd commonly known as great manna grass, reed mannagrass, reed sweet-grass, and greater sweet-grass is a species of rhizomatous perennial grasses in the mannagrass genus native to Europe and Western Siberia and growing in wet areas such as riverbanks and ponds. It is highly competitive and invasive and is often considered to be a noxious weed outside its native range.

Dactylorhiza majalis subsp. lapponica (synonym Dactylorhiza lapponica), the Lapland marsh-orchid, is an orchid native to parts of Europe and Siberia, including the Pyrenees, Alps, and Carpathians and across middle Europe, Scandinavia, and European Russia The subspecies grows on calcareous soils, including fens and areas with mobile groundwater. It is pollinated by bumblebees. It was originally published and described by Lars Levi Laestadius and Carl Johan Hartman as Orchis angustifolia var. lapponica in Handb. Skand. Fl., edition 4 on page 281 in 1843, but it was then re-named as Dactylorhiza

Syntrichia latifolia, formerly Tortula latifolia, and commonly known as water screw-moss, is a species of moss belonging to the family Pottiaceae. Syntrichia species differ from members of Tortula due to synapomorphic leaf qualities, such as different basal and distal cells, as well as different costal cross sections where Tortula has an abaxial epidermis and Syntrichia lacks one.

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