Rishi: Traditionally connected with Yājñavalkya’s transmission (Śukla-Yajurveda lineage); specific ṛṣi not explicit in the given excerpt
Devata: Oṣadhayaḥ (Plants), with Soma as overlord; Bṛhaspati as impelling power
Chandas: Triṣṭubh-like cadence (as commonly in VS 12 plant/health formulas; exact metrical scansion requires pada-length verification)
Samhita Patha (Devanagari)या ओष॑धी॒: सोम॑राज्ञी॒र्विष्ठि॑ताः पृथि॒वीमनु॑ । बृह॒स्पति॑प्रसूता अस्यै॒ संद॑त्त वी॒र्य॒म्
Transliterationyā́ oṣadhī́ḥ sóma-rājñī́r víṣṭhitāḥ pṛthivī́m ánu | bṛ́haspáti-prasūtā asyái sáṃdatta vīryàm ||
Translationโอ้เหล่าพืชสมุนไพรทั้งหลาย ผู้มีพระโสมราชาเป็นจอมราชัน ผู้ตั้งมั่นเหนือแผ่นดิน—อันพรหมณสปติ (Bṛhaspati) เป็นผู้ดลบันดาล จงประทานพลังอำนาจ (vīrya) นี้แก่สตรีผู้นี้เถิด
Padapatha (Word Analysis)याः । ओषधीः । सोम-राज्ञीः । विष्ठिताः । पृथिवीम् । अनु । बृहस्पति-प्रसूताः । अस्यै । सम्-दत्त । वीर्यम् ।
Word by Wordसोमरज्ञीः(those) whose queen is Soma / Soma-ruled विष्ठिताःstanding, established अनुalong, over, following बृहस्पतिप्रसूताःimpelled/produced by Bṛhaspati अस्यैto this (one), to her संदत्तbestow (together), grant वीर्यम्vital power, strength 
Entities MentionedS
Soma-rājñī (King Soma as overlord of plants) Viniyoga (Ritual Application)