Brihat Jataka
होरेन्दुसूरिरविभिर्विबलैस्तरूपाणां तो यस्थले तरुभवोंऽशकृत: प्रभेद: ॥ लग्नाद्ग्रह: स्थलजलर्क्षपतिग्तुयावांस्तवन्त एव तरव:स्थलतोयजाता: ॥ ३-६ ॥
If the conditions for non-human birth are fulfilled (see first two shlokas) and if in the birth chart the ascendant, Moon, Jupiter and Sun are all weak, the birth of trees is indicated. The trees will belong to the land or to the watery region depending on whether in the ascendant the navamsha rising belongs to a rashi denoting land or to one denoting water. The number of trees will be determined by the number of the houses the lord of the navamsha in the lagna is away from the Iagna,
english translation
horendusUriravibhirvibalaistarUpANAM to yasthale tarubhavoM'zakRta: prabheda: ॥ lagnAdgraha: sthalajalarkSapatigtuyAvAMstavanta eva tarava:sthalatoyajAtA: ॥ 3-6 ॥
hk transliteration by Sanscript