Charophytes of North America: A Guide to the Species of Charophyta of North America, Central America, and the West Indies |
Common terms and phrases
1-celled dactyl 1-furcate acuminate algae antheridia arthrodactylous axial cortex axillary axis basal branchlet segment brackish water bract-cells bracteoles branchlet spine-cells branchlets 1-forked branchlets furcate braunii Bruz Canadaigua cells CERNUA CHARA HORNEMANNII CHARA VULGARIS CHARA ZEYLANICA CHARACEAE charophytes CLASSIFICATION CLAVATA considerable ecological dactyls 1-celled dense DIAGNOSTIC FEATURES dioec dioecious branchlets dioecious stipulodes dioecious strains diplo diplostephanous divided into varieties ecological and genetic Ecorticate elongate End segment end-cell fairly common fertile heads FIELD CLUES gametangia geminate genetic variation globularis gracilis HABITAT hard water hard-water lakes heads absent heteroclemous HYDROPITYS internodes isolated clumps large to 18 lateral rays lowest branchlet node medium large microsp microspecies monoecious branchlets monoecious stipulodes monopodial mucus oospore membrane naked branchlets Nitella flexilis Nitella furcata occasionally oogonia oogonium plants ponds R. D. Wood robust sect shallow water solitary cortex species specimens sterile branchlets subgen tier tiny terminal traits which occur unusual traits whorls compacted