{"id":38,"date":"2016-02-02T14:21:54","date_gmt":"2016-02-02T21:21:54","guid":{"rendered":"https:\/\/grad.biology.ualberta.ca\/paleobotany\/?page_id=38"},"modified":"2020-05-12T20:06:25","modified_gmt":"2020-05-13T02:06:25","slug":"lab-04-lycophyta","status":"publish","type":"page","link":"https:\/\/grad.biology.ualberta.ca\/paleobotany\/?page_id=38","title":{"rendered":"Lab 04  Lycophyta"},"content":{"rendered":"<div id=\"attachment_416\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4237-L6-1.jpg\" rel=\"attachment wp-att-416\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-416\" class=\"size-medium wp-image-416\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4237-L6-1-300x200.jpg\" alt=\"Lepidodendron, mild of leaf cushions. Age Pennsylvanian.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4237-L6-1-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4237-L6-1-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4237-L6-1-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4237-L6-1-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-416\" class=\"wp-caption-text\">L6-1: Lepidodendron, mold of leaf cushions. Age Pennsylvanian.<\/p><\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-415\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4238-L6-2-300x200.jpg\" alt=\"Lepidodendron, leaf scars. From Pella, Iowa. Age Pennsylcanian\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4238-L6-2-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4238-L6-2-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4238-L6-2-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4238-L6-2-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><em>L6-2: Lepidodendron<\/em>, leaf scars. From Pella, Iowa. Age Pennsylcanian<\/p>\n<div id=\"attachment_414\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4239-L6-3.jpg\" rel=\"attachment wp-att-414\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-414\" class=\"size-medium wp-image-414\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4239-L6-3-300x200.jpg\" alt=\"Lepidodendron leaf scars. Note leaf scars with vascular bundle, parichnos scar, ligule scar.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4239-L6-3-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4239-L6-3-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4239-L6-3-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4239-L6-3-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-414\" class=\"wp-caption-text\">L6-3: Lepidodendron leaf scars. Note leaf scars with vascular bundle, parichnos scar, ligule scar.<\/p><\/div>\n<div id=\"attachment_413\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4240-L6-3.jpg\" rel=\"attachment wp-att-413\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-413\" class=\"size-medium wp-image-413\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4240-L6-3-300x200.jpg\" alt=\"Lepidodendron leaf scars. Note leaf scars with vascular bundle, parichnos scar, ligule scar.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4240-L6-3-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4240-L6-3-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4240-L6-3-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4240-L6-3-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-413\" class=\"wp-caption-text\">L6-3: Lepidodendron leaf scars. Note leaf scars with vascular bundle, parichnos scar, ligule scar.<\/p><\/div>\n<div id=\"attachment_412\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4241-L6-4.jpg\" rel=\"attachment wp-att-412\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-412\" class=\"size-medium wp-image-412\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4241-L6-4-300x200.jpg\" alt=\"Lepidodendron leaf cushions (mold)\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4241-L6-4-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4241-L6-4-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4241-L6-4-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4241-L6-4-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-412\" class=\"wp-caption-text\">L6-4: Lepidodendron leaf cushions (mold)<\/p><\/div>\n<div id=\"attachment_411\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4242-L6-5.jpg\" rel=\"attachment wp-att-411\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-411\" class=\"size-medium wp-image-411\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4242-L6-5-300x200.jpg\" alt=\"Lepidodendron leaf bases from Pella, Iowa. Age Pennsylvanian\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4242-L6-5-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4242-L6-5-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4242-L6-5-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4242-L6-5-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-411\" class=\"wp-caption-text\">L6-5: Lepidodendron leaf bases from Pella, Iowa. Age Pennsylvanian<\/p><\/div>\n<div id=\"attachment_410\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4245-L6-6.jpg\" rel=\"attachment wp-att-410\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-410\" class=\"size-medium wp-image-410\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4245-L6-6-300x200.jpg\" alt=\"Lepidodendron with leaf scars.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4245-L6-6-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4245-L6-6-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4245-L6-6-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4245-L6-6-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-410\" class=\"wp-caption-text\">L6-6: Lepidodendron with leaf scars.<\/p><\/div>\n<div id=\"attachment_409\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4243-L6-7.jpg\" rel=\"attachment wp-att-409\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-409\" class=\"size-medium wp-image-409\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4243-L6-7-300x200.jpg\" alt=\"Lepidodendron, leaf scars. From Southern Illinois. Age Pennsylvanian.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4243-L6-7-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4243-L6-7-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4243-L6-7-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4243-L6-7-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-409\" class=\"wp-caption-text\">L6-7: Lepidodendron, leaf scars. From Southern Illinois. Age Pennsylvanian.<\/p><\/div>\n<div id=\"attachment_408\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4244-L6-8.jpg\" rel=\"attachment wp-att-408\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-408\" class=\"size-medium wp-image-408\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4244-L6-8-300x200.jpg\" alt=\"Lepidodendron from Southern Illinois. Age Pensylvanian.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4244-L6-8-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4244-L6-8-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4244-L6-8-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4244-L6-8-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-408\" class=\"wp-caption-text\">L6-8: Lepidodendron from Southern Illinois. Age Pensylvanian.<\/p><\/div>\n<div id=\"attachment_407\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4246-L6-9.jpg\" rel=\"attachment wp-att-407\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-407\" class=\"size-medium wp-image-407\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4246-L6-9-300x200.jpg\" alt=\"Lepidodendron, leaf scars.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4246-L6-9-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4246-L6-9-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4246-L6-9-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4246-L6-9-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-407\" class=\"wp-caption-text\">L6-9: Lepidodendron, leaf scars.<\/p><\/div>\n<div id=\"attachment_405\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4248-L6-10.jpg\" rel=\"attachment wp-att-405\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-405\" class=\"size-medium wp-image-405\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4248-L6-10-300x200.jpg\" alt=\"Lepidodendron, leaf scars. From Pella, Iowa. Age Pennsylvanian.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4248-L6-10-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4248-L6-10-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4248-L6-10-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4248-L6-10-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-405\" class=\"wp-caption-text\">L6-10: Lepidodendron, leaf scars. From Pella, Iowa. Age Pennsylvanian.<\/p><\/div>\n<div id=\"attachment_404\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4250-L6-13.jpg\" rel=\"attachment wp-att-404\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-404\" class=\"size-medium wp-image-404\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4250-L6-13-300x200.jpg\" alt=\"Lepidodendron stem with leaves.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4250-L6-13-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4250-L6-13-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4250-L6-13-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4250-L6-13-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-404\" class=\"wp-caption-text\">L6-13: Lepidodendron stem with leaves.<\/p><\/div>\n<div id=\"attachment_401\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4254-L6-15.jpg\" rel=\"attachment wp-att-401\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-401\" class=\"size-medium wp-image-401\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4254-L6-15-300x200.jpg\" alt=\"Lepidodendron from Lewis Creek, Kentucky. Age Pennsylvanian.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4254-L6-15-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4254-L6-15-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4254-L6-15-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4254-L6-15-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-401\" class=\"wp-caption-text\">L6-16: Lepidodendron from Lewis Creek, Kentucky. Age Pennsylvanian.<\/p><\/div>\n<div id=\"attachment_400\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4256-L6-17.jpg\" rel=\"attachment wp-att-400\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-400\" class=\"size-medium wp-image-400\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4256-L6-17-300x200.jpg\" alt=\"Lepidodendron, twigs with leaves. From Lewis Creek, Kentucky. Lower Pennsylvanian.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4256-L6-17-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4256-L6-17-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4256-L6-17-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4256-L6-17-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-400\" class=\"wp-caption-text\">Lepidodendron, twigs with leaves. From Lewis Creek, Kentucky. Lower Pennsylvanian.<\/p><\/div>\n<div id=\"attachment_398\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4259-L6-17.jpg\" rel=\"attachment wp-att-398\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-398\" class=\"size-medium wp-image-398\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4259-L6-17-300x200.jpg\" alt=\"Lepidodendron.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4259-L6-17-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4259-L6-17-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4259-L6-17-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4259-L6-17-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-398\" class=\"wp-caption-text\">Lepidodendron.<\/p><\/div>\n<div id=\"attachment_395\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4260-L6-18.jpg\" rel=\"attachment wp-att-395\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-395\" class=\"size-medium wp-image-395\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4260-L6-18-300x200.jpg\" alt=\"Lepidodendron, stem with leaves, the leaves are attached to branches. From Bohemia. Age Carboniferous. \" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4260-L6-18-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4260-L6-18-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4260-L6-18-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4260-L6-18-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-395\" class=\"wp-caption-text\">L6-18: Lepidodendron, stem with leaves, the leaves are attached to branches. From Bohemia. Age Carboniferous.<\/p><\/div>\n<div id=\"attachment_394\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4262-L6-19.jpg\" rel=\"attachment wp-att-394\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-394\" class=\"size-medium wp-image-394\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4262-L6-19-300x200.jpg\" alt=\"Lepidodendron, stem with leaves that are attached to branches.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4262-L6-19-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4262-L6-19-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4262-L6-19-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4262-L6-19-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-394\" class=\"wp-caption-text\">L6-19: Lepidodendron, stem with leaves that are attached to branches.<\/p><\/div>\n<div id=\"attachment_393\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4265-L6-20.jpg\" rel=\"attachment wp-att-393\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-393\" class=\"size-medium wp-image-393\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4265-L6-20-300x200.jpg\" alt=\"Lepidodendron cross section of stem.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4265-L6-20-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4265-L6-20-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4265-L6-20-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4265-L6-20-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-393\" class=\"wp-caption-text\">L6-20: Lepidodendron cross section of stem.<\/p><\/div>\n<div id=\"attachment_392\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4268-L6-21.jpg\" rel=\"attachment wp-att-392\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-392\" class=\"size-medium wp-image-392\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4268-L6-21-300x200.jpg\" alt=\"Lepidodendron, cross section of young stem. From Lewis Creek, Kentucky. Early Pennsylvanian.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4268-L6-21-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4268-L6-21-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4268-L6-21-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4268-L6-21-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-392\" class=\"wp-caption-text\">L6-21: Lepidodendron, cross section of young stem. From Lewis Creek, Kentucky. Early Pennsylvanian.<\/p><\/div>\n<div id=\"attachment_391\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4269-L6-22.jpg\" rel=\"attachment wp-att-391\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-391\" class=\"size-medium wp-image-391\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4269-L6-22-300x200.jpg\" alt=\"Lepidodendron, cross section of stem. From England, age Late Corboniferous\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4269-L6-22-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4269-L6-22-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4269-L6-22-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4269-L6-22-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-391\" class=\"wp-caption-text\">L6-22: Lepidodendron, cross section of stem. From England, age Late Corboniferous<\/p><\/div>\n<div id=\"attachment_390\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4270-L6-23.jpg\" rel=\"attachment wp-att-390\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-390\" class=\"size-medium wp-image-390\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4270-L6-23-300x200.jpg\" alt=\"Lepidodendron twigs cross section. From West Mineral, Kansas.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4270-L6-23-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4270-L6-23-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4270-L6-23-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4270-L6-23-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-390\" class=\"wp-caption-text\">L6-23: Lepidodendron twigs cross section. From West Mineral, Kansas.<\/p><\/div>\n<div id=\"attachment_389\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4271-L6-31.jpg\" rel=\"attachment wp-att-389\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-389\" class=\"size-medium wp-image-389\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4271-L6-31-300x200.jpg\" alt=\"Lepidodendron longitudinal and cross section.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4271-L6-31-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4271-L6-31-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4271-L6-31-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4271-L6-31-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-389\" class=\"wp-caption-text\">L6-31: Lepidodendron wood longitudinal and cross section.<\/p><\/div>\n<div id=\"attachment_388\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4273-L6-36.jpg\" rel=\"attachment wp-att-388\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-388\" class=\"size-medium wp-image-388\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4273-L6-36-300x200.jpg\" alt=\"Lepidophylloides leaves from Mazon Creek, Illinois. Age Middle Pennsylvanian.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4273-L6-36-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4273-L6-36-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4273-L6-36-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4273-L6-36-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-388\" class=\"wp-caption-text\">L6-37: Lepidophylloides leaves from Mazon Creek, Illinois. Age Middle Pennsylvanian.<\/p><\/div>\n<div id=\"attachment_387\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4274-L6-37.jpg\" rel=\"attachment wp-att-387\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-387\" class=\"size-medium wp-image-387\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4274-L6-37-300x200.jpg\" alt=\"Lepidophylloides leaves from Mazon Creek, Illinois. Age Middle Pennsylvanian.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4274-L6-37-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4274-L6-37-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4274-L6-37-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4274-L6-37-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-387\" class=\"wp-caption-text\">L6-38: Lepidophylloides leaves from Mazon Creek, Illinois. Age Middle Pennsylvanian.<\/p><\/div>\n<div id=\"attachment_386\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4275-L6-39.jpg\" rel=\"attachment wp-att-386\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-386\" class=\"size-medium wp-image-386\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4275-L6-39-300x200.jpg\" alt=\"Stigmaria ficoides from Nova Scotia, age Carboniferous. Coalified compression.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4275-L6-39-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4275-L6-39-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4275-L6-39-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4275-L6-39-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-386\" class=\"wp-caption-text\">L6-39: Stigmaria ficoides from Nova Scotia, age Carboniferous. Coalified compression.<\/p><\/div>\n<div id=\"attachment_625\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6151.jpg\" rel=\"attachment wp-att-625\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-625\" class=\"size-medium wp-image-625\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6151-300x199.jpg\" alt=\"Stigmaria ficoides. Age Pennsylvanian.\" width=\"300\" height=\"199\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6151-300x199.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6151-768x510.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6151-1024x680.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6151-624x414.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-625\" class=\"wp-caption-text\">Stigmaria ficoides.<br \/>Age Pennsylvanian.<\/p><\/div>\n<div id=\"attachment_626\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6154.jpg\" rel=\"attachment wp-att-626\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-626\" class=\"size-medium wp-image-626\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6154-300x199.jpg\" alt=\"Stigmaria rootlets in x.s. Peel from coal ball. From West Mineral, KS.\" width=\"300\" height=\"199\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6154-300x199.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6154-768x510.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6154-1024x680.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6154-624x414.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-626\" class=\"wp-caption-text\">L6-70: Stigmaria rootlets in x.s.<br \/>Peel from coal ball. From West Mineral, KS.<\/p><\/div>\n<div id=\"attachment_629\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6156.jpg\" rel=\"attachment wp-att-629\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-629\" class=\"size-medium wp-image-629\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6156-300x199.jpg\" alt=\"Stigmaria ficoides (rootlets).\" width=\"300\" height=\"199\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6156-300x199.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6156-768x510.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6156-1024x680.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2016\/02\/PJC_6156-624x414.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-629\" class=\"wp-caption-text\">Stigmaria ficoides (rootlets).<\/p><\/div>\n<div id=\"attachment_385\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4276-L6-40.jpg\" rel=\"attachment wp-att-385\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-385\" class=\"size-medium wp-image-385\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4276-L6-40-300x200.jpg\" alt=\"Lepidophylloides, ligule in pit, cross section of branch with leaves.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4276-L6-40-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4276-L6-40-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4276-L6-40-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4276-L6-40-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-385\" class=\"wp-caption-text\">L6-40: Lepidophylloides, ligule in pit, cross section of branch with leaves.<\/p><\/div>\n<div id=\"attachment_384\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4278-L6-41.jpg\" rel=\"attachment wp-att-384\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-384\" class=\"size-medium wp-image-384\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4278-L6-41-300x200.jpg\" alt=\"Lepidophylloides with twigs and cross section of leaves.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4278-L6-41-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4278-L6-41-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4278-L6-41-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4278-L6-41-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-384\" class=\"wp-caption-text\">L6-41: Lepidophylloides with twigs and cross section of leaves.<\/p><\/div>\n<div id=\"attachment_383\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4287-L6-41.jpg\" rel=\"attachment wp-att-383\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-383\" class=\"size-medium wp-image-383\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4287-L6-41-300x200.jpg\" alt=\"Lepidophylloides, twigs and cross section of leaves.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4287-L6-41-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4287-L6-41-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4287-L6-41-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4287-L6-41-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-383\" class=\"wp-caption-text\">L6-41: Lepidophylloides, twigs and cross section of leaves.<\/p><\/div>\n<div id=\"attachment_381\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4290-L6-42.jpg\" rel=\"attachment wp-att-381\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-381\" class=\"size-medium wp-image-381\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4290-L6-42-300x200.jpg\" alt=\"Lepidostrobus from Mazon Creek, Illinois. Age Pennsylvanian.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4290-L6-42-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4290-L6-42-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4290-L6-42-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4290-L6-42-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-381\" class=\"wp-caption-text\">L6-42: Lepidostrobus from Mazon Creek, Illinois. Age Pennsylvanian.<\/p><\/div>\n<div id=\"attachment_380\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4291-L6-46.jpg\" rel=\"attachment wp-att-380\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-380\" class=\"size-medium wp-image-380\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4291-L6-46-300x200.jpg\" alt=\"Lepidostrobus from Lewis Creek, Kentucky. Lower Pennsylvanian. Compression.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4291-L6-46-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4291-L6-46-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4291-L6-46-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4291-L6-46-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-380\" class=\"wp-caption-text\">L6-46: Lepidostrobus from Lewis Creek, Kentucky. Lower Pennsylvanian. Compression.<\/p><\/div>\n<div id=\"attachment_378\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4294-L6-47.jpg\" rel=\"attachment wp-att-378\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-378\" class=\"size-medium wp-image-378\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4294-L6-47-300x200.jpg\" alt=\"Lepidostrobus pulvinatus (Lepidocarpon) Cross section of cone with microsporophylls, micro sporangia and microspores.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4294-L6-47-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4294-L6-47-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4294-L6-47-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4294-L6-47-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-378\" class=\"wp-caption-text\">L6-47: Lepidostrobus pulvinatus (Lepidocarpon) Cross section of cone with microsporophylls, micro sporangia and microspores.<\/p><\/div>\n<div id=\"attachment_375\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4300-L6-47.jpg\" rel=\"attachment wp-att-375\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-375\" class=\"size-medium wp-image-375\" src=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4300-L6-47-300x200.jpg\" alt=\"Lepidostrobus pulvinatus (Lepidocarpon) Cross section of cone with microsporophylls, micro sporangia and microspores.\" width=\"300\" height=\"200\" srcset=\"https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4300-L6-47-300x200.jpg 300w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4300-L6-47-768x512.jpg 768w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4300-L6-47-1024x683.jpg 1024w, https:\/\/grad.biology.ualberta.ca\/paleobotany\/wp-content\/uploads\/sites\/57\/2015\/12\/IMG_4300-L6-47-624x416.jpg 624w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-375\" class=\"wp-caption-text\">L6-46: Lepidostrobus pulvinatus (Lepidocarpon) Cross section of cone with microsporophylls, micro sporangia and microspores.<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>L6-2: Lepidodendron, leaf scars. From Pella, Iowa. Age Pennsylcanian<\/p>\n","protected":false},"author":1614,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-38","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/grad.biology.ualberta.ca\/paleobotany\/index.php?rest_route=\/wp\/v2\/pages\/38","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/grad.biology.ualberta.ca\/paleobotany\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/grad.biology.ualberta.ca\/paleobotany\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/grad.biology.ualberta.ca\/paleobotany\/index.php?rest_route=\/wp\/v2\/users\/1614"}],"replies":[{"embeddable":true,"href":"https:\/\/grad.biology.ualberta.ca\/paleobotany\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=38"}],"version-history":[{"count":19,"href":"https:\/\/grad.biology.ualberta.ca\/paleobotany\/index.php?rest_route=\/wp\/v2\/pages\/38\/revisions"}],"predecessor-version":[{"id":1475,"href":"https:\/\/grad.biology.ualberta.ca\/paleobotany\/index.php?rest_route=\/wp\/v2\/pages\/38\/revisions\/1475"}],"wp:attachment":[{"href":"https:\/\/grad.biology.ualberta.ca\/paleobotany\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=38"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}