#plantkingdom - #lifecycleofselaginella #heterosporouspteridophyte
11:47
#plantkingdom - #classificationofpteridophyta / #pteridophytes
37:50
#plantkingdom - #lifecycleofgymnosperms / #gymnosperms / #malecone
28:45
#plantkingdom - #gymnosperms #fertilization / #lifecycleofcycas
38:41
#plantkingdom - #gymnosperms #characteristicsofgymnosperm
44:57
#plantkingdom - #pteridophyta / #lifecycle of #pteridophytes
41:31
#plantkingdom - #bryophyta #hepaticopsida #liverwort / riccia #marchantia
1:08:30
#plantkingdom - #lifecycleof Dryopteris / #dryopteris / #pteridophyta
23:21