Photosynthesis and Respiration of Ferns in Relation to Their Habitat

There are at least 500 species of ferns in Malaysia and Singapore, and these plants form a conspicuous part of the local flora. The reason for their abundance lies in the particularly favorable climate of this part of the world. Holttum (1954) has divided the ferns of Malaysia and Singapore into various classes according to the conditions under which they grow: terrestrial sun ferns, terrestrial shade ferns, epiphytes of sheltered places,...