Jāmiʿ al-Ruwāt
p. 112محمد بن الرضا بن أبي طاهر الحسنى فاضل ثقة (جب).
Muhammad ibn al-Rida
Muʿjam Rijāl al-Ḥadīth holds him reliable.
on later scholars only, not the early rijāl
In this collection
Counted from the narrations and chains this database holds — not a record of everything he transmitted.
محمد بن الرضا بن أبي طاهر الحسنى فاضل ثقة (جب).
Vol. 17 Entry no. 10772
Edition: 5th edition, 1413 AH / 1992 CE; editor and publisher not stated in the source
محمد بن الرضا: قال الشيخ منتجب الدين في فهرسته: " السيد محمد بن الرضا بن أبي طاهر الحسني: فاضل، ثقة ".
Assembled from 2 entries and 1 mentions in the chains. Every word above is quoted from the book named beside it, and none of it is our judgement of him.