Hayburn Wyke is excellent for plant remains which are very well preserved. The following list of fossil plants can be found, which also shows how common they are;

Baiera furcate - Rare
Brachyphyllum mamillare - common
Clathropteris - Rare
Coniopteris simplex - Abundant
Coniopteris hymenophylloides - Common
Coniopteris murrayana - Rare
Czekanowskia furcula - Rare
Elatocladus laxus - Rare
Equisetum columnare - Rare
Geinitzia regida
Ginkgo huttoni - Rare
Klukia exilis - Rare
Lindleycladus lanceolatus - Rare
Matonia braunii - Rare
Nilsonia compta - Rare
Nilsonia syllis - Rare
Otozamites graphicus - Rare
Otozamites gramineus - Rare
Otozamites tenuatus - Rare
Pachypteris lanceolate - Rare
Phlebopteris woodwardii - Rare
Pterophyllum thomasii - Rare
Sphenobaierapecten - Rare
Todites princeps - Rare
Zamites gigas - Common