The results show that the content of fern spore positively,but gymnospermae pollen negatively correlated to bituminous "A" and resin,which also indicate that,although all the former organism do have the ability of hydrocarbon generation,there are obviously differences of the contribution to the soluble hydrocarbon.

According to the features of spore fungus,we studied on its detection technique,screened sterile liquid and found key technique adapted to detect the fungus population.

New records of musci from Qinling Mountains;

Based on the study of specimens and literatures,7 genera 7 species of musci are reported in Henan province for the first time.

This paper recorded the Musci of Maolan Karst Forest Area, 186 species (including subspecies and varieties) belong to 93 genera and 28 families are reported.