Frederik Marcus Knuth
Encyclopedia
Frederik Marcus Knuth was a Danish taxonomist especially known for the collection and classification of cactus
es. He collected and described many new species.
Cactus
A cactus is a member of the plant family Cactaceae. Their distinctive appearance is a result of adaptations to conserve water in dry and/or hot environments. In most species, the stem has evolved to become photosynthetic and succulent, while the leaves have evolved into spines...
es. He collected and described many new species.