Peadar O Riada the younger appears to be familiar with the poem as he quotes the line "aoibhinnn crónan na mbeach" (pleasant the hum of the bees) in a photo of sceach (hawthorn) ag dallrú
https://www.flickr.com/photos/peadar_o_riada/7456757106

Plural of sceach is sceacha