Here's a list we compiled some years ago on Ausbonsai:
https://www.ausbonsai.com.au/forum/viewtopic.php?f=9&t=6055&hilit=root+cutting&start=45
Acacia – Boormanii, Dealbata –easy
American Maple - Liquidamber – easy
Banksia – Integrifolia -?
Bouganvillea - easy
Callery Pear – Pyrus sp. ?
Camellia – ?
Cherry Ballart –Exocarpus Cuppressiformis ?
Chinese elm - Ulmus parvifolia – easy
Clerodendrum - Clerodendrum – easy
Cork bark elm - Ulmus propinqua var. suberosa - easy
Crab Apple - malus - ?
Crepe Myrtle - Lagerstroemia indica – ?
Desert Ash – Fraxinus augustifolia – very easy
Dogwood – Cornus sp. –easy
English Elm – Ulmus procera -easy
Firethorn -Pyracantha - (easy)
Glochidion – Cheese tree/Button tree –easy
Japanese Silverberry - Elaeagnus pungen -easy
Japanese Dwarf Cherry - Prunus 'Okame' & sp. – easy
Japanese Dwarf Quince – Chojubai -easy
Hackberry – Celtis Sp. - easy
Hokkaido Elm - Ulmus Parvifolia var. – easy
Lilacs -Syringa vulgaris -Intermediate
Lillypilly – Szygyium Sp. -easy
Maiden hair tree - Ginko biloba -?
Mock Orange – Philadelphus sp. -easy
Natal fig - Ficus Natalensis – easy
Ornamental Quince - Chaenomeles –easy
Persian Ironwood - Parrottia persica – slow
Quince – Cydonia sp. -easy
Red Cedar - Toona Ciliata –easy
Rose – Rosacea - non grafted species. – easy.
Sandalwood – Santalum lanceolatum - difficult
Seiju elm - Ulmus Parvifolia var. – easy
She Oak - Allocasuarina* -– Shoots from Small surface roots.
Spindle Bush – Euonymus sp. - easy
Sumac - Rhus typhina -?
Swamp Paperbark – Melaleuca ericifolia -easy
Thai temple bells - Wrightia Religiosa - intermediate
Tree of a thousand stars - Serrisa - ?
Willow leaf fig - Ficus Nerifolia - relatively easy
White Cedar - Melia azedarach -Easy
Willow - Salix spp. – easy
Wisteria - Wisteria – easy
Zelkova –Japanese Elm -easy