NOTEBOOK PEOPLE NATURE BENEFIT CHANGING PLANET SEARCH CONTACT LOG IN OBSERVATION HOW TO PLANTS LOCAL GROUP PHENOLOGY PODCASTS YOU ARE PLANTS AND ANIMALS POPULUS ANGUSTIFOLIA PHOTO INATURALIST CREATIVE COMMONS ATTRIBUTION LICENSE SPECIES SHOULD LEAF BUDS BREAKING VISIBLE BUD ONCE GREEN LEAF AT THE END EXPOSE THE LEAF STALK HOW MANY LEAVES ENTIRE LENGTH STEM NODE STEM POINT ATTACHMENT DO NOT FULLY DRIED DEAD LEAVES PERCENTAGE THE POTENTIAL SPACE FULL IGNORE DEAD BRANCHES YOUR ESTIMATE POTENTIAL LESS THAN MORE MORE LEAF SIZE MAJORITY THE PLANT REACHED FULL SIZE CONTINUE EMERGE ENDS STEMS GROWING SEASON SHOW YELLOW BROWN DROUGHT SPOTS OF COLOR MINOR FALLING RECENTLY FALLEN FLOWER FRESH OPEN UNOPENED FLOWERS INFLORESCENCES SWELLING CLOSED THE MALE FEMALE INFLORESCENCE CATKIN EVENTUALLY LONGER HANG MALE CATKINS TURN GRAY GREEN FRUITS FLOWER HEADS SIMPLY NUMBER REPRODUCTIVE PARTS STAMENS FLORAL TUBES SEPALS COMPACT HANGING PLUS RELEASE POLLEN GRAINS SHAKEN PALM ONTO DARK POLLEN GRAINS LAYER COVERS CLOUD SEEN WHEN THE WIND BLOWS THE FRUIT TINY CAPSULE CHANGES SPLITS SEEDS WHITE EMPTY ALREADY FRUIT TURNED SPLIT SEED DROP MATURE LAST OBVIOUSLY HEAVY RAIN LONG AGO USDA PROFILE NARROWLEAF COTTONWOOD INFORMATION ABOUT US GLOSSARY PROJECT THE USA NATIONAL